Anthropic
Claude Fable 5
Anthropic's June 2026 Fable model for demanding reasoning and long-horizon agentic work, now a legacy model succeeded by Fable 5.1 (September 2026).
Our editorial assessment, based on the public sources listed below. Last reviewed .
- Overall rank
- #12
- Tier
- S
- Score
- 87.0
- Main category
- Overall
Strengths
- Strong SWE-Bench Pro results among the models tested at its June 2026 launch
- High Artificial Analysis Intelligence Index placement at its June 2026 launch
- Strong GDPval-AA results for real-world knowledge work
Considerations
- Specialist pricing at $10/$50 per million tokens
- Legacy model; Anthropic recommends Fable 5.1, which keeps the same price
Price
$10 / $50 per 1M tokens (in/out)
Shown for reference — price is not part of the score.
Score breakdown
- Performance
- 91.0
- 55% of score
- Reputation
- 86.0
- 35% of score
- Recency
- 68.0
- 10% of score
The overall score combines these sub-scores using the weights shown. How we score →
Verification status
Each field carries its own re-verification date. Amber means older than 90 days — treat those figures as stale until re-checked.
- Pricing
- Benchmark
- Reputation
- Feature list
Checked against the sources listed below.
Sources
- Claude API Docs — Claude Fable 5 (legacy) (opens in a new tab)Accessed:
- Artificial Analysis — LLM Leaderboard (opens in a new tab)Accessed:
- Claude Docs — Model deprecations (opens in a new tab)Accessed:
- OpenAI — GPT-5.6 availability and pricing (opens in a new tab)Accessed:
- Anthropic — Countering misuse of AI: September 2026 (opens in a new tab)Accessed:
Show 12 more sources
- BenchLM.ai Frontier AI Models (Aug 2026) (opens in a new tab)Accessed:
- The Open Weight Models that Matter: June 2026 (OpenRouter) (opens in a new tab)Accessed:
- GMI Cloud — BenchAlign leaderboard, August 2026 (opens in a new tab)Accessed:
- Claude Docs — Models overview (opens in a new tab)Accessed:
- Claude API Docs — Claude Fable 5.1 (opens in a new tab)Accessed:
- Artificial Analysis — Intelligence Index leaderboard (opens in a new tab)Accessed:
- Best AI Models 2026 (opens in a new tab)Accessed:
- Entelligence AI — Best AI Models of July 2026 (opens in a new tab)Accessed:
- LLM Stats — AI Leaderboard 2026 (opens in a new tab)Accessed:
- Best AI Model Right Now 2026 (opens in a new tab)Accessed:
- The Best AI Models So Far in 2026 (opens in a new tab)Accessed:
- Artificial Analysis Intelligence Index (opens in a new tab)Accessed:
Similar models
- Muse WonderMeta#9 · Tier S · Score 87.7Compare
- Grok 4.7xAI#11 · Tier S · Score 87.1Compare
- Qwen3.8 MaxAlibaba#13 · Tier S · Score 86.3Compare
- GLM-5.3Z.ai#14 · Tier S · Score 86.3Compare