token.app › Compare › GPT-5.1-Codex-Max vs Gemini 3.5 Flash Lite

GPT-5.1-Codex-Max vs Gemini 3.5 Flash Lite

Gemini 3.5 Flash Lite is 4.0× cheaper per token on a blended 3:1 basis. Gemini 3.5 Flash Lite accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-5.1-Codex-MaxGemini 3.5 Flash Lite
ProviderOpenAIGoogle
Input $/1M$1.25$0.300
Output $/1M$10.00$2.50
Blended $/1M$3.44$0.850
Context window400K1.0M
Max output128K66K
ReleasedDec 2025Jul 2026
LicenceProprietaryProprietary
Choose GPT-5.1-Codex-Max if…
  • No clear advantage on the data we hold.
Choose Gemini 3.5 Flash Lite if…
  • Costs less per token — $0.850 vs $3.44 blended
  • Larger context window (1.0M)
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-5.1-Codex-Max or Gemini 3.5 Flash Lite?
We do not hold independently-run benchmark scores covering both GPT-5.1-Codex-Max and Gemini 3.5 Flash Lite, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.1-Codex-Max cheaper than Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite is cheaper: $0.850 versus $3.44 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $0.300. Output alone: $10.00 vs $2.50.
What context windows do GPT-5.1-Codex-Max and Gemini 3.5 Flash Lite have?
GPT-5.1-Codex-Max: 400,000 tokens. Gemini 3.5 Flash Lite: 1,048,576 tokens.
Who makes GPT-5.1-Codex-Max and Gemini 3.5 Flash Lite?
GPT-5.1-Codex-Max is made by OpenAI. Gemini 3.5 Flash Lite is made by Google.
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