token.app › Compare › Gemini 3.1 Pro Preview Custom Tools vs GPT-5.6 Sol

Gemini 3.1 Pro Preview Custom Tools vs GPT-5.6 Sol

Gemini 3.1 Pro Preview Custom Tools is 2.5× cheaper per token on a blended 3:1 basis. GPT-5.6 Sol accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 3.1 Pro Preview Custom ToolsGPT-5.6 Sol
ProviderGoogleOpenAI
Input $/1M$2.00$5.00
Output $/1M$12.00$30.00
Blended $/1M$4.50$11.25
Context window1.0M1.1M
Max output66K128K
ReleasedFeb 2026Jul 2026
LicenceProprietaryProprietary
Choose Gemini 3.1 Pro Preview Custom Tools if…
  • Costs less per token — $4.50 vs $11.25 blended
Choose GPT-5.6 Sol if…
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Gemini 3.1 Pro Preview Custom Tools or GPT-5.6 Sol?
We do not hold independently-run benchmark scores covering both Gemini 3.1 Pro Preview Custom Tools and GPT-5.6 Sol, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 3.1 Pro Preview Custom Tools cheaper than GPT-5.6 Sol?
Gemini 3.1 Pro Preview Custom Tools is cheaper: $4.50 versus $11.25 per million tokens blended at 3:1 input:output. Input alone: $2.00 vs $5.00. Output alone: $12.00 vs $30.00.
What context windows do Gemini 3.1 Pro Preview Custom Tools and GPT-5.6 Sol have?
Gemini 3.1 Pro Preview Custom Tools: 1,048,576 tokens. GPT-5.6 Sol: 1,050,000 tokens.
Who makes Gemini 3.1 Pro Preview Custom Tools and GPT-5.6 Sol?
Gemini 3.1 Pro Preview Custom Tools is made by Google. GPT-5.6 Sol is made by OpenAI.
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