anthropic
Anthropic: Claude Fable 5
anthropic/claude-fable-5
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding.
- Context window: 1,000,000 tokens
- Input: text, image, file
- Output: text
- Pricing: $10/M input tokens, $50/M output tokens
RuntimeWire Composite Index
Score: 80 — ranked #7 overall (1/3 evaluations covered). View full rankings.
RuntimeWire coverage
- Fable 5 responses surface an internal 'Kettle' route, researcher says
- GitHub adds xAI's Grok 4.6 to Copilot for long-running coding agents
- Anthropic stole ChatGPT's aura. Then it gave it back.
- Cognition adds Grok 4.6 to Devin's multi-model coding platform
- Discovered Materials launches AI agents to find chip materials labs can make
- DeepSeek warns of a significant API price increase after undercutting US rivals
- DeepSeek ships V4-Flash at 3 cents per benchmark task
- CostPerPrompt publishes calculators for estimating monthly AI application costs
- Claude Code reverse engineering alleges hidden Fable 5 model switches
- Tracer launches Echo with near-Claude Fable scores at one-third the cost
- Moonshot releases Kimi K3 report, detailing how a 2.8T open model runs
- Alibaba offers 2.1 billion QwenCloud tokens for agent feedback
View on OpenRouter. Model data sourced from OpenRouter.