token.app › Compare › GPT-6 Astra Pro vs Gemini 3.7 Flash

GPT-6 Astra Pro vs Gemini 3.7 Flash

Gemini 3.7 Flash is 13× cheaper per token on a blended 3:1 basis. GPT-6 Astra Pro accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-6 Astra ProGemini 3.7 Flash
ProviderOpenAIGoogle
Input $/1M$10.00$0.750
Output $/1M$50.00$3.75
Blended $/1M$20.00$1.50
Context window1.1M1.0M
Max output128K66K
ReleasedSep 2026Aug 2026
LicenceProprietaryProprietary
Choose GPT-6 Astra Pro if…
  • Larger context window (1.1M)
  • Newer model (released Sep 2026)
Choose Gemini 3.7 Flash if…
  • Costs less per token — $1.50 vs $20.00 blended
FAQ
Which is better, GPT-6 Astra Pro or Gemini 3.7 Flash?
We do not hold independently-run benchmark scores covering both GPT-6 Astra Pro and Gemini 3.7 Flash, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-6 Astra Pro cheaper than Gemini 3.7 Flash?
Gemini 3.7 Flash is cheaper: $1.50 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $0.750. Output alone: $50.00 vs $3.75.
What context windows do GPT-6 Astra Pro and Gemini 3.7 Flash have?
GPT-6 Astra Pro: 1,050,000 tokens. Gemini 3.7 Flash: 1,048,576 tokens.
Who makes GPT-6 Astra Pro and Gemini 3.7 Flash?
GPT-6 Astra Pro is made by OpenAI. Gemini 3.7 Flash is made by Google.
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