token.app › Compare › GPT-5.6 Luna Pro (batch) vs Gemini 3.5 Flash Lite

GPT-5.6 Luna Pro (batch) vs Gemini 3.5 Flash Lite

GPT-5.6 Luna Pro (batch) is 3.8× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna Pro (batch) accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
GPT-5.6 Luna Pro (batch)Gemini 3.5 Flash Lite
ProviderOpenAIGoogle
Input $/1M$0.100$0.300
Output $/1M$0.600$2.50
Blended $/1M$0.225$0.850
Context window1.1M1.0M
Max output128K66K
ReleasedJul 2026Jul 2026
LicenceProprietaryProprietary
Choose GPT-5.6 Luna Pro (batch) if…
  • Costs less per token — $0.225 vs $0.850 blended
  • Larger context window (1.1M)
Choose Gemini 3.5 Flash Lite if…
  • Newer model (released Jul 2026)
FAQ
Which is better, GPT-5.6 Luna Pro (batch) or Gemini 3.5 Flash Lite?
We do not hold independently-run benchmark scores covering both GPT-5.6 Luna Pro (batch) and Gemini 3.5 Flash Lite, so we make no quality claim. Their pricing and specifications are compared on this page.
Is GPT-5.6 Luna Pro (batch) cheaper than Gemini 3.5 Flash Lite?
GPT-5.6 Luna Pro (batch) is cheaper: $0.225 versus $0.850 per million tokens blended at 3:1 input:output. Input alone: $0.100 vs $0.300. Output alone: $0.600 vs $2.50.
What context windows do GPT-5.6 Luna Pro (batch) and Gemini 3.5 Flash Lite have?
GPT-5.6 Luna Pro (batch): 1,050,000 tokens. Gemini 3.5 Flash Lite: 1,048,576 tokens.
Who makes GPT-5.6 Luna Pro (batch) and Gemini 3.5 Flash Lite?
GPT-5.6 Luna Pro (batch) is made by OpenAI. Gemini 3.5 Flash Lite is made by Google.
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