tokevenClaudevsGemini
Claude Sonnet 4.6 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 Sonnet 4.6
Mid-tierGemini 3.1 Pro
Mid-tierInput $/MTok
$3.00
$2.00
Output $/MTok
$15.00
$12.00
Cache discount
90% off
90% off
Context
1M
1.0M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
57
vs
57
Code Review
95
vs
84
Summarization
61
vs
80
Q&A
88
vs
87
Extraction
71
vs
75
Reasoning
85
vs
84
Classification
84
vs
86
Creative Writing
69
vs
77
Claude Sonnet 4.6
Gemini 3.1 Pro
Guidance
When to use Claude Sonnet 4.6 vs Gemini 3.1 Pro
Choose Claude Sonnet 4.6 when...
- -You need strong code review (confidence 95 vs 84)
- -You need strong q&a (confidence 88 vs 87)
- -You need strong reasoning (confidence 85 vs 84)
Choose Gemini 3.1 Pro when...
- -You need strong classification (confidence 86 vs 84)
- -You need strong summarization (confidence 80 vs 61)
- -You need strong creative writing (confidence 77 vs 69)
- -You need strong extraction (confidence 75 vs 71)
- -Cost matters: 33% cheaper on input tokens
- -You need a larger context window (1.0M vs 1M)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Sonnet 4.6
Gemini 3.1 Pro
100K tokens
$0.66
$0.50Cheaper
1M tokens
$6.60Cheaper
$8.20
10M tokens
$66.00Cheaper
$82.00
FAQ
When should I use Claude Sonnet 4.6 instead of Gemini 3.1 Pro?
Claude Sonnet 4.6 outperforms Gemini 3.1 Pro for Code Review, Q&A, Reasoning. It costs $3.00/$15.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than Claude Sonnet 4.6?
Yes. Gemini 3.1 Pro input costs $2.00/MTok vs $3.00/MTok for Claude Sonnet 4.6, saving 33% on input.
What are the context window sizes for Claude Sonnet 4.6 and Gemini 3.1 Pro?
Claude Sonnet 4.6 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 Sonnet 4.6 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.