tokevenClaude Opus 4.8 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 Opus 4.8
FlagshipGemini 3.1 Pro
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Opus 4.8 vs Gemini 3.1 Pro
Choose Claude Opus 4.8 when...
- -You need strong reasoning (confidence 97 vs 90)
- -You need strong code generation (confidence 95 vs 86)
- -You need strong code review (confidence 94 vs 84)
- -You need strong creative writing (confidence 93 vs 84)
Choose Gemini 3.1 Pro when...
- -You need strong q&a (confidence 87 vs 85)
- -You need strong classification (confidence 86 vs 80)
- -You need strong extraction (confidence 85 vs 82)
- -Cost matters: 60% cheaper on input tokens
- -You need a larger context window (1,000K vs 200K)
At scale
Cost at scale
FAQ
When should I use Claude Opus 4.8 instead of Gemini 3.1 Pro?
Claude Opus 4.8 outperforms Gemini 3.1 Pro for Reasoning, Code Generation, Code Review. It costs $5.00/$25.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than Claude Opus 4.8?
Yes. Gemini 3.1 Pro input costs $2.00/MTok vs $5.00/MTok for Claude Opus 4.8, saving 60% on input.
What are the context window sizes for Claude Opus 4.8 and Gemini 3.1 Pro?
Claude Opus 4.8 has a 200K token context window. Gemini 3.1 Pro has a 1,000K 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 Opus 4.8 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.