Fable 5.1 now available in Claude API
Angaisb_ · x · 2026-09-02
Fable 5.1 model is now integrated into the Claude API and available for use.
Related event: Anthropic's Fable 5.1 Rolls Out to Claude Code and API(4 posts)→
More from Models
- Perplexity adds Claude Fable 5.1, cutting costs by 37% — perplexity_ai · 2026-09-02
- Anthropic Fable 5.1 System Prompt Leaked, Spanning 270k+ Characters — Scobleizer · 2026-09-02
- Fable 5.1 now integrates Anthropic's statistical text watermarking — RaGE_Syria · 2026-09-02
- Multi-agent evals lack model comparisons, need more details — scaling01 · 2026-09-02
- Fable 5.1 Beats GPT-5.6 on Benchmark at Lower Cost — haider1 · 2026-09-02
- Claude Fable 5.1 adds heavy instructions,疑似过度对齐 — teodorio · 2026-09-02