GPTvsGemini

GPT 5.6 Sol vs Gemini 3.5 Flash-Lite

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

GPT 5.6 Sol

Flagship

Gemini 3.5 Flash-Lite

Fast / Budget
Input $/MTok
$4.00
$0.30
Output $/MTok
$20.00
$2.50
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
58
Code Review
92
vs
52
Summarization
70
vs
67
Q&A
91
vs
78
Extraction
75
vs
69
Reasoning
92
vs
60
Classification
86
vs
85
Creative Writing
76
vs
67
GPT 5.6 Sol
Gemini 3.5 Flash-Lite

Guidance

When to use GPT 5.6 Sol vs Gemini 3.5 Flash-Lite

Choose GPT 5.6 Sol when...

  • -You need strong code review (confidence 92 vs 52)
  • -You need strong reasoning (confidence 92 vs 60)
  • -You need strong q&a (confidence 91 vs 78)
  • -You need strong classification (confidence 86 vs 85)

Choose Gemini 3.5 Flash-Lite when...

  • -Cost matters: 93% 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-Lite
100K tokens
$0.88
$0.10Cheaper
1M tokens
$14.60
$0.96Cheaper
10M tokens
$146.00
$9.60Cheaper

FAQ

When should I use GPT 5.6 Sol instead of Gemini 3.5 Flash-Lite?

GPT 5.6 Sol outperforms Gemini 3.5 Flash-Lite for Code Generation, Code Review, Summarization. It costs $4.00/$20.00 per million tokens (input/output).

Is Gemini 3.5 Flash-Lite cheaper than GPT 5.6 Sol?

Yes. Gemini 3.5 Flash-Lite input costs $0.30/MTok vs $4.00/MTok for GPT 5.6 Sol, saving 93% on input.

What are the context window sizes for GPT 5.6 Sol and Gemini 3.5 Flash-Lite?

GPT 5.6 Sol has a 922K token context window. Gemini 3.5 Flash-Lite has a 1.0M token context window.

Track your real costs

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