Claim 5.2

Open-weight models reach "good enough" parity for most economic use cases.

CapabilitySlow to resolveMarketEconomicsThe stack

◷ Share view, as of June 2026: confidence, rationales and priors are hidden. The questions, stances, claims, tests and evidence stay visible.

would falsify this claim

Open models stay materially behind on tasks enterprises pay for.

Evidence

71 support3 contradict17 neutral

Supports· weight medium· State of AI Report 2026 - FINAL (stateof.ai)· via State of AI Report 2026 benchmarks frontier labs, agent monetization, and safety incidents across 12 months· Technical Capability
Supports· weight medium· Scoop: A powerful new model from startup Reflection is set to shake up the AI race - Axios (axios.com)· via Nvidia-backed startup Reflection prepares to launch open-weight model targeting enterprise AI factories· Market & Valuation
Supports· weight medium· Behind the Term Sheet: Moonshot AI (cathaycapital.com)· via Moonshot AI's K2.5 achieves frontier coding and agentic benchmarks at one-fifth the inference cost of leading closed models· Technical Capability
Supports· weight medium· China's Moonshot unveils world's largest open AI model ... (reuters.com)· via Chinese open-weight model (Kimi K3, 2.8T parameters) reported at frontier-parity performance; Z.ai GLM-5.2 scored near US closed-source benchmark leaders· Geopolitics & Security
Supports· weight medium· NVIDIA and Microsoft Reinvent Windows PCs for the Age ... (investor.nvidia.com)· via NVIDIA RTX Spark: 1-petaflop on-device superchip for Windows local agents announced for fall 2026 deployment· Technical Capability
Supports· weight medium· NVIDIA Launches Cosmos 3, the Open Frontier Foundation ... (hpcwire.com)· via NVIDIA launches Cosmos 3 open world foundation model for physical AI with mixture-of-transformers architecture· Technical Capability
Neutral· weight medium· NVIDIA Launches Cosmos 3, the Open Frontier Foundation Model for Physical AI (nvidianews.nvidia.com)· via NVIDIA launches Cosmos 3 open world model for physical AI with mixture-of-transformers architecture and multimodal generation· Technical Capability
Neutral· weight medium· Authors, publishers near final approval of $1.5 billion Anthropic copyright settlement | Courthouse News Service (courthousenews.com)· via Anthropic settles copyright piracy claims for $1.5 billion, destroying original training datasets and certifying sources· Regulatory & Legal
Supports· weight medium· Gemma 4: Byte for byte, the most capable open models (blog.google)· via Google releases Gemma 4 open-weight models claiming #3 and #6 Arena rankings at 31B and 26B sizes· Technical Capability
Supports· weight medium· DeepSeek just dropped two insanely powerful AI models that rival GPT-5 and they're totally free | VentureBeat (venturebeat.com)· via DeepSeek V3.2 released open-source under MIT license with frontier-parity benchmark scores and 70% inference cost reduction· Technical Capability
Neutral· weight medium· Mistral Set for $14 Billion Valuation With New Funding Round (bloomberg.com)· via Mistral AI reaches $14 billion valuation on €2 billion funding round· Market & Valuation
Supports· weight medium· OpenAI’s open‑source model: gpt‑oss on Azure AI Foundry and Windows AI Foundry | Microsoft Azure Blog (azure.microsoft.com)· via OpenAI releases open-weight gpt-oss models (120b and 20b) on Azure AI Foundry and Windows AI Foundry· Technical Capability
Supports· weight medium· Meta releases new AI model Llama 4 (reuters.com)· via Meta releases Llama 4 multimodal models in open and proprietary variants; cites OpenAI voice capability lag· Technical Capability
Supports· weight medium· AI protein-prediction tool AlphaFold3 is now more open | Nature (nature.com)· via AlphaFold3 distributed under open-access license, expanding tool availability beyond DeepMind· Technical Capability
Supports· weight medium· Open Source AI is the Path Forward (about.fb.com)· via Meta releases Llama 3.1 405B as frontier-parity open-weight model, claims cost efficiency 50 pct below GPT-4o inference· Market & Valuation
Supports· weight medium· Introducing Apple's On-Device and Server Foundation ... (machinelearning.apple.com)· via Apple releases 3B on-device and larger server foundation models with quantization and adapter-based specialization, claims performance parity with 7B-70B competitors on human evaluation· Technical Capability
Supports· weight medium· Introducing Meta Llama 3: The most capable openly available ... (ai.meta.com)· via Meta releases Llama 3 open-weight models (8B, 70B) claiming state-of-the-art performance on standard and custom benchmarks, with 15 trillion token training dataset· Technical Capability
Supports· weight medium· Mistral AI, a Paris-based OpenAI rival, closed its $415 million funding round | TechCrunch (techcrunch.com)· via Mistral AI closes $415M Series A at $2B valuation, opens commercial API platform with open-weight models· Market & Valuation
Supports· weight medium· Mistral 7B (mistral.ai)· via Mistral 7B achieves 3x equivalent model-size efficiency on reasoning tasks versus Llama 2· Technical Capability
Neutral· weight medium· AI-generated art cannot receive copyrights, US court says (reuters.com)· via US federal court affirms AI-generated art cannot receive copyright, conditioning IP protection on human authorship· Regulatory & Legal
Supports· weight medium· Meta and Microsoft Introduce the Next Generation of Llama (about.fb.com)· via Meta releases Llama 2 as open-weight model with commercial licensing, targeting broad developer adoption via cloud providers and local deployment· Market & Valuation
Neutral· weight medium· Introducing Microsoft 365 Copilot – your copilot for work - The Official Microsoft Blog (blogs.microsoft.com)· via Microsoft announces Microsoft 365 Copilot integration, embedded across productivity suite, with Business Chat as cross-app orchestration layer· Market & Valuation
Supports· weight medium· Meta releases LLaMA, triggering the open-weight LLM ... (epoch-arc.com)· via Meta's LLaMA release (February 2023) seeded open-weight ecosystem, enabling cost-competitive model development at sub-billion-parameter scales· Technical Capability
Neutral· weight medium· AI and American Workers | National Affairs (nationalaffairs.com)· via Code flywheel and falling AI inference costs replicate Jevons paradox, raising structural labor absorption questions· Labor & Knowledge Work
Supports· weight medium· [SMM Computing Power Weekly Review] Index consolidates throughout the week; H200 long-term contract breaks 100,000 - Shanghai Metals Market (SMM) (news.metal.com)· via H200 long-term lease price falls below 100,000 yuan/month for first time; Chinese GPU leasing indices consolidate· Market & Valuation
Contradicts· weight medium· CAISI’s Assessment of Z.ai’s GLM-5.3 Cyber Capabilities (nist.gov)· via NIST CAISI finds Z.ai's GLM-5.3 is most cyber-capable open-weight model to date, but lags US frontier by about four months· Geopolitics & Security
Supports· weight medium· Goldman AI chief: don't rule out open models - axios.com (axios.com)· via Goldman Sachs CIO endorses open-weight models with zero-trust safeguards· Market & Valuation
Supports· weight medium· Palantir customers can run AI on their own data with Nebius (stocktitan.net)· via Palantir names Nebius preferred sovereign AI partner, embedding Nebius compute inside Palantir's enterprise perimeter· Market & Valuation
Supports· weight medium· Abacus.AI Smaug Models Cut Agent Costs 100x [2026] (shattered.io)· via Abacus.AI releases Smaug open-weight models targeting enterprise agent costs at 10-100x below frontier APIs· Market & Valuation
Supports· weight medium· On-premise medical AI agents for reliable clinical decision-making (nature.com)· via Study on on-premise medical AI agents for clinical decision-making published in Nature Medicine· Technical Capability
Neutral· weight medium· Base Labs launches an open-weight AI safety partnership with Hugging Face and Goodfire - TechCrunch (techcrunch.com)· via Base Labs partners with Hugging Face and Goodfire to standardize safety for open-weight models· Regulatory & Legal
Neutral· weight medium· Vals, backed by Andreessen Horowitz, is looking to become the gold standard for AI benchmarking - techcrunch.com (techcrunch.com)· via Vals AI raises $40M to become the gold standard for AI benchmarking· Market & Valuation
Supports· weight medium· A new kind of AI model from a ChatGPT inventor is thrilling developers - TechCrunch (techcrunch.com)· via TypeSafe AI releases Jev, a non-LLM probability model for automation, drawing developer demand· Market & Valuation
Neutral· weight medium· Congress advances new bill to give US edge in open-source AI race with China (scmp.com)· via US Congress advances H.R. 10152 to promote open-source AI adoption against Chinese dominance· Geopolitics & Security
Supports· weight medium· Gemini 3.8 Flash Launches at $0.75/1M Input [2026] (tech-insider.org)· via Google Ships Gemini 3.8 Flash at $0.75/M Tokens, Fourth Flash-Tier Release in Four Months· Market & Valuation
Supports· weight medium· Saudi Arabia Built Its National AI Model on Top of China's MiniMax (startupfortune.com)· via Saudi Arabia's Humain deploys national AI model based on Chinese MiniMax weights· Geopolitics & Security
Neutral· weight medium· Making sovereign, open-weight AI the technology frontier | Mistral (mistral.ai)· via Mistral raises €3B at over €21B valuation to fund frontier compute, full-stack sovereign AI push· Market & Valuation
Supports· weight medium· Harvey hits $15.5B valuation, months after reaching $11B - TechCrunch (techcrunch.com)· via Harvey raises $550M at $15.5B valuation, launches proprietary model built on open-weight Kimi K3· Market & Valuation
Supports· weight medium· China’s artificial intelligence goals and strategic choices for Europe (bruegel.org)· via China's 15th Five-Year Plan positions open-weight AI as strategic tool for global standard-setting· Geopolitics & Security
Supports· weight medium· Qwen3.8-Max Open-Sources at 86.6, Nears Opus 5 [2026] - shattered.io (shattered.io)· via Alibaba open-sources Qwen3.8-Max under Apache 2.0, within ~2 points of Claude Opus 5 on Terminal-Bench 2.1· Technical Capability
Supports· weight medium· Introducing Fugu Max and Fugu Ultra v2: Orchestrating the Pareto Frontier (sakana.ai)· via Sakana AI releases Fugu Max and Fugu Ultra v2 orchestration systems, claims improved cost-performance frontier and high benchmark scores without frontier models· Technical Capability
Supports· weight medium· Salesforce and Nvidia’s new reasoning model is everything the AI labs should fear - TechCrunch (techcrunch.com)· via Salesforce launches Koa, an open-weight reasoning model post-trained on synthetic data to replace frontier API calls· Market & Valuation
Supports· weight medium· Silicon Valley VC Examines China's AI Landscape: Sanctions Drive Efficiency; Sino-US Tech Decoupling Unlikely (kucoin.com)· via Dimension VC letter reports US sanctions drove Chinese labs to extreme compute-efficiency gains and deep cross-Pacific model circulation· Geopolitics & Security
Supports· weight medium· The Grid Doesn’t Care How Smart Your Model Is - The National Interest (nationalinterest.org)· via New research on intelligence per watt suggests efficiency, not frontier chips, may be the binding constraint on AI scale· Geopolitics & Security
Supports· weight medium· Nvidia is bolstering support for Chinese open AI models as it warns of White House crackdown (cnbc.com)· via Nvidia optimizes hardware for Chinese open models while warning of US regulatory risks· Geopolitics & Security
Supports· weight medium· Open-weight AI companies are the Valley's hottest ... (techcrunch.com)· via Nvidia, Stripe acquisitions signal consolidation around open-weight AI ecosystem· Market & Valuation
Supports· weight medium· AI Sovereignty Comes To The Firm: What Thomson Reuters’ $40 MM Model Proves (forbes.com)· via Thomson Reuters builds a $40M domain-specific AI model, signaling enterprise 'AI sovereignty' strategy· Market & Valuation
Contradicts· weight medium· Marc Benioff is getting his mojo back as Salesforce's AI strength quiets skeptics - CNBC (cnbc.com)· via Salesforce beats and raises on Agentforce growth, shares jump 23% as AI-disruption fears ease· Market & Valuation
Supports· weight medium· U.S. Policies Unintentionally Accelerated China's Open AI Ecosystems (arxiv.org)· via Academic study finds U.S. export controls accelerated China's open-source AI ecosystem, with Chinese-origin models undercounted in U.S. commercial activity· Geopolitics & Security
Supports· weight medium· Alibaba's open-source AI model Qwen overtakes Meta, Google to claim top spot globally: report - Global Times (globaltimes.cn)· via Qwen reaches 3B Hugging Face downloads in six months, surpassing Meta and Google on open-weight adoption metrics· Market & Valuation
Supports· weight medium· China's Moonshot, Z.AI, and DeepSeek are challenging U.S. AI labs—and beating them on cost (fortune.com)· via Chinese frontier models reach near-parity with US labs on capability while undercutting on price by up to 98%, driving measurable enterprise adoption· Market & Valuation
Supports· weight medium· Meta releases Muse Glimmer open-weight AI model and plans to open-source Muse Spark 1.2, its most powerful frontier model (cnbc.com)· via Meta open-sources Muse Spark 1.2 frontier model and launches Muse Glimmer on-device model family· Market & Valuation
Supports· weight medium· Six investment firms including Apollo and Blackstone partner with Nvidia to line up $500 billion in AI infrastructure financing for Nvidia customers (fortune.com)· via Enterprise AI cost overruns prompt usage caps and model downgrades as 2026 budgets exceed projections without clear ROI· Market & Valuation
Supports· weight medium· Writer launches Palmyra X6, built on Z.ai's GLM-5.2, promising up to 50 percent cost reduction for enterprise AI deployments (techcrunch.com)· via Writer launches Palmyra X6 on open-weight GLM-5.2 base, claims up to 50% cost reduction via model and harness optimization· Market & Valuation
Supports· weight medium· NVIDIA CORP - Form ARS - FY2026 (sec.gov)· via NVIDIA FY2026 annual report: revenue $216B (+65% YoY), Data Center $194B (+68%), operating cash flow $103B, with $1T+ cumulative Blackwell/Rubin revenue visibility through 2027· Market & Valuation
Supports· weight medium· Poolside Drops Laguna S 2.1, an Open-Weight Coding Model That Beats Rivals 10x Its Size (venturebeat.com)· via Poolside releases Laguna S 2.1, a 118B MoE open-weight coding model outperforming rivals up to 1.6T parameters on agentic benchmarks· Technical Capability
Supports· weight medium· China Narrows U.S. AI Gap With Moonshot AI's Kimi K3, Alibaba's Qwen 3.8 (foreignpolicy.com)· via Chinese models Kimi K3 and Qwen 3.8 claim near-frontier performance via distillation, prompting U.S. government accusations of IP theft· Geopolitics & Security
Supports· weight medium· Generative AI at Work· via NBER field study: generative AI assistant raises customer-support productivity 14% on average, 34% for lowest-skill workers· Market & Valuation
Neutral· weight medium· The state of AI in 2025: Agents, innovation, and transformation· via McKinsey 2025 AI survey: 88% of organizations use AI, but only 39% report enterprise EBIT impact; agentic scaling nascent· Market & Valuation
Supports· weight medium· New Skills and AI Are Reshaping the Future of Work (imf.org)· via IMF: 40% of global jobs exposed to AI-driven change; new-skill job postings pay up to 15% wage premium but AI-skill regions show lower employment levels· Labor & Knowledge Work
Supports· weight medium· AI and the future of work: Measuring AI-driven productivity gains for workplace tasks (aisi.gov.uk)· via UK AISI RCT finds 19% quality gain and 61% points-per-minute productivity lift from AI access across common workplace tasks· Labor & Knowledge Work
Supports· weight medium· AI, Productivity, and Labor Markets: A Review of the Empirical Evidence (laweconcenter.org)· via ICLE review of empirical AI literature finds firm-level productivity gains of 15–55% but no aggregate labor displacement through 2025· Labor & Knowledge Work
Supports· weight medium· Artificial Intelligence, Productivity, and the Workforce: Evidence from Corporate Executives (atlantafed.org)· via Atlanta Fed CFO survey of ~750 executives finds positive but modest AI productivity gains in 2025, with aggregate employment effects near zero and compositional labor shifts underway· Market & Valuation
Supports· weight medium· The 2026 AI Index Report | Stanford HAI (hai.stanford.edu)· via Stanford HAI 2026 AI Index: Benchmark acceleration, US-China gap closure, and agentic leap headline annual data review· Technical Capability
Neutral· weight medium· Why Companies That Choose AI Augmentation Over Automation May Win in the Long Run (hbr.org)· via HBR survey: 34% of desk workers believe their firm uses AI primarily for automation/cost-cutting; augmentation-intent perception linked to 32% lower attrition intent· Labor & Knowledge Work
Supports· weight medium· AI Is Changing Creative Work, but the Arts Aren't Disappearing (gallup.com)· via Gallup/Journal of Cultural Economics study finds no significant wage decline in AI-exposed creative occupations through 2024· Labor & Knowledge Work
Supports· weight medium· A reality check on the AI jobs hysteria | MIT Technology Review (technologyreview.com)· via BLS and ADP data show no large-scale AI labor displacement yet, but entry-level AI-exposed jobs down 16% since 2024· Labor & Knowledge Work
Neutral· weight medium· Tracking AI-Related Job Loss Using Unemployment Insurance Claims Data in California· via California UI claims data show no statewide AI-driven displacement surge through May 2026, but elevated claims persist among college-educated and Bay Area tech workers· Labor & Knowledge Work
Neutral· weight medium· Bridging Skill Gaps for the Future: New Jobs Creation in the AI Age (imf.org)· via IMF Staff Discussion Note: AI skill demand boosts wages but reduces employment in high-exposure occupations, deepening labor polarization· Labor & Knowledge Work
Supports· weight medium· Agentic coding and persistent returns to expertise· via Anthropic study of 400,000 Claude Code sessions finds domain expertise, not coding background, drives agentic success rates· Market & Valuation
Supports· weight medium· The Shift to Agentic AI: Evidence from Codex· via OpenAI Codex usage data shows fivefold active-user growth in H1 2026, with agentic task complexity rising sharply across enterprise roles· Market & Valuation
Supports· weight medium· How tech workers are feeling in 2026: a workforce splitting in two (lennysnewsletter.com)· via Annual tech worker survey finds workforce bifurcating on AI identity, with burnout up 11 points and career optimism below 50%· Labor & Knowledge Work
Supports· weight medium· AI infrastructure spend in 2026 projected at $1.5 trillion, requiring $3 trillion in revenue to justify, as Anthropic reportedly hits $60 billion ARR (techcrunch.com)· via 2026 AI infrastructure spend estimated at $1.5T, implying $3T revenue requirement to justify investment· Market & Valuation
Supports· weight medium· China's Moonshot AI releases Kimi K3, the largest open-weight model ever built, with 2.8 trillion parameters rivaling top US frontier models (venturebeat.com)· via Moonshot AI releases Kimi K3, a 2.8T-parameter open-weight model benchmarking near US frontier proprietary systems· Technical Capability
Neutral· weight medium· Examining and Addressing Barriers to Diversity in LLM-Generated Ideas· via Columbia Business School study: LLM idea output is structurally less diverse than human group output, but targeted prompting closes and exceeds the gap· Labor & Knowledge Work
Supports· weight medium· Sovereignty in the Age of AI: Strategic Choices, Structural Dependencies and the Long Game Ahead (institute.global)· via Tony Blair Institute frames AI sovereignty as strategic agency within interdependence, not technological autarky· Geopolitics & Security
Supports· weight medium· Sovereign AI Index - CNAS Reports (cnas.org)· via CNAS Sovereign AI Index: 139 government-backed AI projects tracked globally, 70% dependent on U.S. technology partners· Geopolitics & Security
Supports· weight medium· From AI-Generated Content to Agentic Action: Security and Safety Threats in Generative AI (arxiv.org)· via Academic survey maps escalating attack-surface expansion as AI systems shift from content generation to agentic action execution· Technical Capability
Supports· weight medium· Research and Development | The 2026 AI Index Report | Stanford HAI (hai.stanford.edu)· via Stanford HAI 2026 AI Index: global compute capacity, talent flows, transparency, and open-source scale quantified· Market & Valuation
Supports· weight medium· GLM-5.2: Built for Long-Horizon Tasks· via Z.ai releases GLM-5.2, an MIT-licensed open-weight model reaching near-frontier performance on long-horizon agentic coding benchmarks· Market & Valuation
Supports· weight medium· Anthropic's Claude Fable 5 Backlash and Hidden Downgrades, Developer Trust, and US Government Restrictions
Supports· weight medium· To Defend Against Cyber Attacks, We Must Teach AI Agents to Hack (arxiv.org)· via Academic paper argues AI agents structurally shift cyber attack economics, calls for offensive AI as defensive infrastructure· Technical Capability
Supports· weight medium· The End of Human Judgment in the Kill Chain? Relocating Initiative and Interpretation with Agentic AI (arxiv.org)· via Academic paper argues LLM-based agentic AI structurally displaces human judgment in military kill chains, citing DoD's 2026 agentic warfighting strategy and $100M DIU orchestrator prize· Technical Capability
Supports· weight medium· AI in the Age of Fake (Imagined) Content (stimson.org)· via AI-generated deepfake volume projected to reach 8M videos by 2025, up 16x from 2023; regulatory responses remain fragmented across jurisdictions· Regulatory & Legal
Neutral· weight medium· Major Publishers Challenge AI Training Practices in Landmark Copyright Suit Against Meta (hklaw.com)· via Major publishers file landmark copyright class action against Meta over Llama training data sourcing· Regulatory & Legal
Supports· weight medium· The Price of Progress: Price Performance and the Future of AI (arxiv.org)· via Benchmark price-performance falling 5–10× per year, but frontier model inference costs rising 3–18× per year as compute demands grow· Market & Valuation
Neutral· weight medium· Enterprise Agentic AI Landscape 2026: Trust, Flexibility, and Vendor Lock-in (kai-waehner.de)· via Practitioner vendor map places Anthropic at ~40% enterprise LLM API spend, OpenAI at 27%, flagging agentic lock-in as primary enterprise risk in 2026· Market & Valuation
Supports· weight medium· DeepSeek unveils V4 model, with rock-bottom prices and close integration with Huawei's chips (fortune.com)· via DeepSeek V4 launches at $3.48/M output tokens (~89% below OpenAI GPT-5.4 pricing) with native Huawei Ascend support· Market & Valuation
Supports· weight medium· China's DeepSeek Says New V4 AI Model Can Run on Huawei Chips (asiafinancial.com)· via DeepSeek V4 validated on Huawei Ascend chips, signaling Chinese AI stack independence from Nvidia· Technical Capability
Contradicts· weight medium· Do AI and bogus respondents threaten polling's future? | Pew Research Center (pewresearch.org)· via Pew Research Center flags AI-generated and bogus survey responses as structural threat to opt-in polling validity· Technical Capability
Supports· weight medium· LLM inference prices have fallen rapidly but unequally across tasks (epoch.ai)· via LLM inference cost per capability milestone falling at 9x–900x per year, median ~50x, with acceleration post-January 2024· Market & Valuation

Signals on the board

Oct 8, 2026State of AI Report 2026 benchmarks frontier labs, agent monetization, and safety incidents across 12 months Oct 4, 2026Nvidia-backed startup Reflection prepares to launch open-weight model targeting enterprise AI factories Sep 24, 2026H200 long-term lease price falls below 100,000 yuan/month for first time; Chinese GPU leasing indices consolidate Sep 21, 2026Code flywheel and falling AI inference costs replicate Jevons paradox, raising structural labor absorption questions Sep 19, 2026Vals AI raises $40M to become the gold standard for AI benchmarking Sep 18, 2026TypeSafe AI releases Jev, a non-LLM probability model for automation, drawing developer demand Sep 17, 2026NIST CAISI finds Z.ai's GLM-5.3 is most cyber-capable open-weight model to date, but lags US frontier by about four months Sep 17, 2026Base Labs partners with Hugging Face and Goodfire to standardize safety for open-weight models Sep 15, 2026Salesforce launches Koa, an open-weight reasoning model post-trained on synthetic data to replace frontier API calls Sep 15, 2026

Research bearing on this · advisory

2026-09-10Magenta: Closing the Loop Between Mathematical Reasoning and Lean Verification 2026-09-09Positional task conditioning for scalable defect detection across product families in large product catalogs 2026-09-09MetroLLM-Bench: Evaluating Language Models as Transit Kiosk Runtimes 2026-09-08Feyospace-v1: How the Cyber Mercury Seven Trained Frontier Cyber Models 2026-09-08Co-Evolving Harnesses and Models: On-Policy Correction Helps Weaker Models Catch Up Where Imitation Fails

Bears on

supportsQ5-S5C Open weights commoditize the middle; rents survive only at the extreme frontier and the physical layer.contradictsQ5-S5B Labs build durable moats via capability leads, ecosystems, capital scale.supportsB4 · Model commoditization determines where rent settles (away from labs).