Claude Fable 5
Top-tierAnthropic's Mythos-class flagship for ambitious, long-running professional work.
1M-token context with deep reasoning for autonomous coding, multi-stage research, enterprise analysis, and agent workflows that run for hours or days. Strong on coding, Humanity's Last Exam, and SciCode. Supports text, image, and file inputs with tool use and structured outputs.
▼
Claude Fable 5 by Anthropic has a Capability Index of 91.6, making it notably capable. It ranks #2 out of 92 models on the idapt capability leaderboard. Claude Fable 5 is very affordable at $10.00/M tokens input and $50.00/M tokens output. Cached input reads are priced at $1.00/M tokens, making repeated context cheaper. The model supports vision/image input, extended reasoning, a 1M context window.
Benchmarks
Category Rankings
Specifications
Performance
Providers
Misc
Compare with
GPT 5.6 Solvs Claude Fable 5GPT 5.6 Lunavs Claude Fable 5Claude Opus 4.8vs Claude Fable 5Claude Sonnet 5vs Claude Fable 5Claude Haiku 4.5vs Claude Fable 5
Gemini 3.6 Flashvs Claude Fable 5Gemini 3.5 Flashvs Claude Fable 5Gemini 3.5 Flash-Litevs Claude Fable 5Gemma 4 31Bvs Claude Fable 5
Grok 4.5vs Claude Fable 5Grok Build 0.1vs Claude Fable 5Grok 4.1 Fastvs Claude Fable 5
Muse Spark 1.1vs Claude Fable 5
DeepSeek V4 Provs Claude Fable 5DeepSeek V4 Flashvs Claude Fable 5
MiniMax M3vs Claude Fable 5
GLM 5.2vs Claude Fable 5
Qwen3.7 Maxvs Claude Fable 5Qwen3.7 Plusvs Claude Fable 5Qwen3 Coder Nextvs Claude Fable 5
Nemotron 3 Ultravs Claude Fable 5
Mistral Small 4vs Claude Fable 5Frequently Asked Questions about Claude Fable 5▼
When was Claude Fable 5 released?
▼
Claude Fable 5 was released on June 9, 2026.
Who created Claude Fable 5?
▼
Claude Fable 5 was created by Anthropic.
How capable is Claude Fable 5?
▼
Claude Fable 5 has a Capability Index of 91.6/100, making it notably capable. It ranks #2 out of 92 models.
How much does Claude Fable 5 cost?
▼
Claude Fable 5 costs $10.00/M input tokens and $50.00/M output tokens.
What is Claude Fable 5 API pricing?
▼
The Claude Fable 5 API is priced at $10.00 per million input tokens and $50.00 per million output tokens. You can access Claude Fable 5 through idapt.app alongside 200+ other AI models in one workspace.
Is Claude Fable 5 a reasoning model?
▼
Yes, Claude Fable 5 is a reasoning model. It can think step-by-step through complex problems before providing an answer, often yielding better results on difficult tasks like math, coding, and multi-step logic.
Does Claude Fable 5 support image or vision input?
▼
Yes, Claude Fable 5 supports vision/image input. You can share images in your conversation and the model will analyze and respond based on their content.
Does Claude Fable 5 support audio?
▼
No, Claude Fable 5 does not support audio input.
What is the context window of Claude Fable 5?
▼
Claude Fable 5 has a context window of 1M tokens, meaning it can process approximately 750,000 words of context at once.
Is Claude Fable 5 open source?
▼
Claude Fable 5 is a proprietary model developed by Anthropic. The model weights and training data are not publicly available.
What is Claude Fable 5 good at?
▼
Based on benchmark data, Claude Fable 5 excels at: complex reasoning and analysis, mathematical problem solving, visual analysis and image understanding. It is Anthropic's flagship model suitable for a wide range of tasks.
Where can I use Claude Fable 5?
▼
You can chat with Claude Fable 5 on idapt.app — no separate API key required. idapt is an AI workspace with 200+ models, agents, computers, and tasks. You can also access Claude Fable 5 through Anthropic's own API or platform.