Claude Fable 5
anthropic/claude-5-fable-20260609
Claude Fable 5 is an Anthropic model released on 2026‑06‑09. It accepts text, image, and file inputs, produces text output, supports tools and reasoning, and has a context length of 1 000 000 tokens. Pricing is $10 per million input tokens and $50 per million output tokens, and the model’s weights are not open.
- tool use
- structured outputs
- reasoning
At a glance
provideranthropic
releasedJun 9, 2026
context1M
input / M$10
Specifications
What the API gives you
- Context window
- 1M tokens
- Max output
- 128K tokens
- Input price
- $10 / 1M tokens
- Output price
- $50 / 1M tokens
- Cache read
- $1 / 1M tokens
- Modalities
- text, image, file → text
- Knowledge cutoff
- —
- Released
- Jun 9, 2026
Recommendation coverage
Where this model appears
- #1Best LLM for Autonomous Agents
- #1Best LLM for Writing
- #1Best LLM for Document Parsing
- #2Best LLM for Marketing Copy
- #2Best LLM for Grounded RAG
- #2Best LLM for Frontend & UI
- #2Best LLM for Tool & Function Calling
- #3Best LLM for AI Agents
- #4Best LLM for Competition Math
- #5Best LLM for Everyday Translation
- #5Best LLM for a General Assistant
Measured evidence
Public benchmark record
- LMArena Agent
- 13.92026-07-13
- LMArena Agent
- 13.22026-07-20
- LMArena Text
- 1493 Elo2026-07-16
- LMArena Text
- 1504 Elo2026-07-20
- LMArena Vision
- 1335 Elo2026-07-12
- LMArena WebDev
- 1631 Elo2026-07-16
- LMArena WebDev
- 1636 Elo2026-07-20
LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.
Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.