tokevenGPTvsGemini
GPT 5.6 Sol vs Gemini 3.5 Flash
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.6 Sol
FlagshipGemini 3.5 Flash
Fast / BudgetInput $/MTok
$4.00
$1.50
Output $/MTok
$20.00
$9.00
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
61
Code Review
92
vs
65
Summarization
70
vs
76
Q&A
91
vs
84
Extraction
75
vs
73
Reasoning
92
vs
82
Classification
86
vs
92
Creative Writing
76
vs
75
GPT 5.6 Sol
Gemini 3.5 Flash
Guidance
When to use GPT 5.6 Sol vs Gemini 3.5 Flash
Choose GPT 5.6 Sol when...
- -You need strong code review (confidence 92 vs 65)
- -You need strong reasoning (confidence 92 vs 82)
- -You need strong q&a (confidence 91 vs 84)
- -You need strong creative writing (confidence 76 vs 75)
Choose Gemini 3.5 Flash when...
- -You need strong classification (confidence 92 vs 86)
- -You need strong summarization (confidence 76 vs 70)
- -Cost matters: 63% 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 3.5 Flash
100K tokens
$0.88
$0.38Cheaper
1M tokens
$14.60
$3.75Cheaper
10M tokens
$146.00
$37.50Cheaper
FAQ
When should I use GPT 5.6 Sol instead of Gemini 3.5 Flash?
GPT 5.6 Sol outperforms Gemini 3.5 Flash for Code Generation, Code Review, Q&A. It costs $4.00/$20.00 per million tokens (input/output).
Is Gemini 3.5 Flash cheaper than GPT 5.6 Sol?
Yes. Gemini 3.5 Flash input costs $1.50/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 63% on input.
What are the context window sizes for GPT 5.6 Sol and Gemini 3.5 Flash?
GPT 5.6 Sol has a 922K token context window. Gemini 3.5 Flash 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 3.5 Flash 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.