tokevenGPTvsGemini
GPT 5.6 Sol vs Gemini 3.1 Pro
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Sol
FlagshipGemini 3.1 Pro
Mid-tierInput $/MTok
$4.00
$2.00
Output $/MTok
$20.00
$12.00
Cache discount
90% off
90% off
Context
922K
1.0M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
67
vs
57
Code Review
92
vs
84
Summarization
70
vs
80
Q&A
91
vs
87
Extraction
75
vs
75
Reasoning
92
vs
84
Classification
86
vs
86
Creative Writing
76
vs
77
GPT 5.6 Sol
Gemini 3.1 Pro
Guidance
When to use GPT 5.6 Sol vs Gemini 3.1 Pro
Choose GPT 5.6 Sol when...
- -You need strong code review (confidence 92 vs 84)
- -You need strong reasoning (confidence 92 vs 84)
- -You need strong q&a (confidence 91 vs 87)
- -You need strong code generation (confidence 67 vs 57)
Choose Gemini 3.1 Pro when...
- -You need strong summarization (confidence 80 vs 70)
- -You need strong creative writing (confidence 77 vs 76)
- -Cost matters: 50% cheaper on input tokens
- -You need a larger context window (1.0M vs 922K)
At scale
Cost at scale
Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 5.6 Sol
Gemini 3.1 Pro
100K tokens
$0.88
$0.50Cheaper
1M tokens
$14.60
$8.20Cheaper
10M tokens
$146.00
$82.00Cheaper
FAQ
When should I use GPT 5.6 Sol instead of Gemini 3.1 Pro?
GPT 5.6 Sol outperforms Gemini 3.1 Pro for Code Generation, Code Review, Q&A. It costs $4.00/$20.00 per million tokens (input/output).
Is Gemini 3.1 Pro cheaper than GPT 5.6 Sol?
Yes. Gemini 3.1 Pro input costs $2.00/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 50% on input.
What are the context window sizes for GPT 5.6 Sol and Gemini 3.1 Pro?
GPT 5.6 Sol has a 922K 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 GPT 5.6 Sol 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.