tokevenClaude Fable 5.1 vs Gemini 3.1 Pro
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Fable 5.1
FlagshipGemini 3.1 Pro
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Fable 5.1 vs Gemini 3.1 Pro
Choose Claude Fable 5.1 when...
- -You need strong reasoning (confidence 92 vs 84)
- -You need strong creative writing (confidence 78 vs 77)
- -You need strong code generation (confidence 74 vs 57)
Choose Gemini 3.1 Pro when...
- -You need strong summarization (confidence 80 vs 71)
- -Cost matters: 80% cheaper on input tokens
- -You need a larger context window (1.0M vs 1M)
At scale
Cost at scale
FAQ
When should I use Claude Fable 5.1 instead of Gemini 3.1 Pro?
Claude Fable 5.1 outperforms Gemini 3.1 Pro for Code Generation, Reasoning, Creative Writing. It costs $10.00/$50.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than Claude Fable 5.1?
Yes. Gemini 3.1 Pro input costs $2.00/MTok vs $10.00/MTok for Claude Fable 5.1, saving 80% on input.
What are the context window sizes for Claude Fable 5.1 and Gemini 3.1 Pro?
Claude Fable 5.1 has a 1M token context window. Gemini 3.1 Pro has a 1.0M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Fable 5.1 and Gemini 3.1 Pro stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.