ClaudevsGemini

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-tier

Gemini 3.1 Pro

Mid-tier
Input $/MTok
$3.00
$2.00
Output $/MTok
$15.00
$12.00
Cache discount
90% off
75% off
Context
200K
1,000K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
92
vs
86
Code Review
95
vs
84
Summarization
90
vs
87
Q&A
88
vs
87
Extraction
86
vs
85
Reasoning
88
vs
90
Classification
84
vs
86
Creative Writing
85
vs
84
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 code generation (confidence 92 vs 86)
  • -You need strong summarization (confidence 90 vs 87)
  • -You need strong q&a (confidence 88 vs 87)

Choose Gemini 3.1 Pro when...

  • -You need strong reasoning (confidence 90 vs 88)
  • -You need strong classification (confidence 86 vs 84)
  • -Cost matters: 33% cheaper on input tokens
  • -You need a larger context window (1,000K vs 200K)

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
$6.60
$5.00Cheaper
10M tokens
$66.00
$50.00Cheaper

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 Generation, Code Review, Summarization. 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 200K token context window. Gemini 3.1 Pro has a 1,000K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.