LLM Registry

Anthropic31OpenAI40Google45Meta18DeepSeek32Alibaba39Moonshot AI17Z.ai18xAI20Mistral AI39Cohere18MiniMax12ByteDance3Tencent6Thinking Machines Lab2Poolside1Ornith3AAnt Group5NVIDIA6IBM4AApodex AI2Multiverse Computing1Institute of Foundation Models5HHUMAIN1OOpenBMB2NNex AGI3CCognition1IInception3SSakana AI2TTokenRhythm2SShanghai AI Lab5PPrismML1TTypeSafe AI2SStepFun1CChina Telecom AI1Xiaomi3Cactus Compute1Hemmingway1JJared Palmer1CConvai Innovations1Upstage2PostHog1FFirelex1Cloudflare4ElevenLabs2AWS2Aleph Alpha1Microsoft4Bilibili1H Company2Reflection AI1Liquid AI5Fish Audio1Recursive1Baseten2Nanbeige LLM Lab1KRAFTON1Particle AI1Flower Labs2

Claude Fable / Mythos (Mythos-class)5Claude Opus9Claude Sonnet9Claude Haiku4Claude (legacy 1–2.x)4

Makers 59

Anthropic31›OpenAI40›Google45›Meta18›DeepSeek32›Alibaba (Qwen)39›Moonshot AI (Kimi)17›Z.ai (Zhipu / GLM)18›xAI (Grok)20›Mistral AI39›Cohere18›MiniMax12›ByteDance3›Tencent6›Thinking Machines Lab2›Poolside1›Ornith3›Ant Group (inclusionAI)5›NVIDIA6›IBM4›Apodex AI2›Multiverse Computing1›Institute of Foundation Models5›HUMAIN1›OpenBMB2›Nex AGI3›Cognition1›Inception3›Sakana AI2›TokenRhythm2›Shanghai AI Lab5›PrismML1›TypeSafe AI2›StepFun1›China Telecom AI1›Xiaomi3›Cactus Compute1›Hemmingway (Altworld)1›Jared Palmer1›Convai Innovations1›Upstage2›PostHog1›Firelex1›Cloudflare4›ElevenLabs2›AWS2›Aleph Alpha1›Microsoft4›Bilibili1›H Company2›Reflection AI1›Liquid AI5›Fish Audio1›Recursive1›Baseten2›Nanbeige LLM Lab1›KRAFTON1›Particle AI1›Flower Labs2›

Anthropic

Claude Fable / Mythos (Mythos-class)5›Claude Opus9›Claude Sonnet9›Claude Haiku4›Claude (legacy 1–2.x)4›

Claude Fable / Mythos (Mythos-class)Anthropic · 5 versions

Claude Fable 5.1current2026-09-01Mythos-class model released 1 September 2026; 1M context, 128K max output, $10/$50 per MTok with cache reads cut 75% to $0.25. Scores 55.8% on Terminal-Bench 4.0.ProprietaryReasoningFrontierLong context1Mspecs, benchmarks & pricing →Claude Mythos 5.12026-09-01Same model as Claude Fable 5.1 with lighter safeguards, released 1 September 2026; invitation-only through Project Glasswing for cybersecurity and life-sciences work.ProprietaryReasoningFrontierLong context1Mspecs, benchmarks & pricing →Claude Fable 52026-06-09First widely-released Mythos-class model; 1M context, 128K max output, $10/$50 per MTok. Always-on thinking; ships with safety classifiers that fall…ProprietaryReasoningFrontierLong contextspecs, benchmarks & pricing →Claude Mythos 52026-06-09Same underlying model as Fable 5 with some safeguards lifted; available only through Project Glasswing (cyberdefense/infrastructure partners, with th…ProprietaryFrontierspecs, benchmarks & pricing →Claude Mythos Preview2026-04Invitation-only early Mythos-class model used by a small number of organizations for cybersecurity work; superseded by Mythos 5.ProprietaryFrontierOn-devicespecs, benchmarks & pricing →

A registry of large language models — frontier and open-weight. Pick a maker, then a line, to browse every version; each version has its own page with specs, benchmarks, pricing, APIs and lineage. Numbers trace to verified sources and refresh as models ship.