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Alternatives to Claude Fable 5.1

For summarising documents cheaply, Claude Fable 5.1 scores 92 and costs $55.00 per 1,000 summaries. Here’s what beats it on price, on quality, or on privacy.

Overall 92$20.00 / 1M
88% similarClaude Opus 5Anthropic
Overall86−6
Blended / 1M$10.00−50%
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Claude Opus 5 vs Claude Fable 5.1Overall−6Coding−5Writing−4Support+1Value−2Context1M
87% similarClaude Opus 5.5Anthropic
Overall97+5
Blended / 1M$8.00−60%
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Claude Opus 5.5 vs Claude Fable 5.1Overall+5Coding+11Writing+10Support+7Value+10Context1M
83% similarGPT-6 AstraOpenAI
Overall74−18
Blended / 1M$20.00±0%
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GPT-6 Astra vs Claude Fable 5.1Overall−18Coding−7Writing−35Support−27Value−17Context1.1M
82% similarGemini 4 ArgonGoogle
Overall96+4
Blended / 1M$4.00−80%
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Gemini 4 Argon vs Claude Fable 5.1Overall+4Coding−5Writing+5Support+14Value+13Context1M
80% similarMuse WonderMeta
Overall80−12
Blended / 1M$8.00−60%
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Muse Wonder vs Claude Fable 5.1Overall−12Coding−13Writing−9Support−4Value−7Context1M
73% similarClaude Sonnet 5.5Anthropic
Overall79−13
Blended / 1M$4.00−80%
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Claude Sonnet 5.5 vs Claude Fable 5.1Overall−13Coding−2Writing−16Support−14Value−4Context1M
69% similarGPT-6.1 SolOpenAI
Overall74−18
Blended / 1M$4.00−80%
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GPT-6.1 Sol vs Claude Fable 5.1Overall−18Coding−11Writing−32Support−25Value−9Context1.1M
68% similarGPT-5.6 SolOpenAI
Overall68−24
Blended / 1M$8.00−60%
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GPT-5.6 Sol vs Claude Fable 5.1Overall−24Coding−22Writing−23Support−17Value−19Context1.1M
62% similarOpen weightsKimi K3Moonshot AI
Overall65−27
Blended / 1M$6.00−70%
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Kimi K3 vs Claude Fable 5.1Overall−27Coding−15Writing−21Support−10Value−21Context1M

Similarity is closeness in summarising documents cheaply score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.

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