tokevenClaudevsGemini
Claude Sonnet 5 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 5
Mid-tierGemini 3.1 Pro
Mid-tierInput $/MTok
$2.00
$2.00
Output $/MTok
$10.00
$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
68
vs
57
Code Review
96
vs
84
Summarization
64
vs
80
Q&A
89
vs
87
Extraction
70
vs
75
Reasoning
89
vs
84
Classification
86
vs
86
Creative Writing
62
vs
77
Claude Sonnet 5
Gemini 3.1 Pro
Guidance
When to use Claude Sonnet 5 vs Gemini 3.1 Pro
Choose Claude Sonnet 5 when...
- -You need strong code review (confidence 96 vs 84)
- -You need strong q&a (confidence 89 vs 87)
- -You need strong reasoning (confidence 89 vs 84)
- -You need strong code generation (confidence 68 vs 57)
Choose Gemini 3.1 Pro when...
- -You need strong summarization (confidence 80 vs 64)
- -You need strong creative writing (confidence 77 vs 62)
- -You need strong extraction (confidence 75 vs 70)
- -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 5
Gemini 3.1 Pro
100K tokens
$0.44Cheaper
$0.50
1M tokens
$4.40Cheaper
$8.20
10M tokens
$44.00Cheaper
$82.00
FAQ
When should I use Claude Sonnet 5 instead of Gemini 3.1 Pro?
Claude Sonnet 5 outperforms Gemini 3.1 Pro for Code Generation, Code Review, Q&A. It costs $2.00/$10.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than Claude Sonnet 5?
Both models have the same input pricing at $2.00/MTok. Compare output pricing: $10.00 vs $12.00/MTok.
What are the context window sizes for Claude Sonnet 5 and Gemini 3.1 Pro?
Claude Sonnet 5 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 5 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.