token.app › Compare › Gemini 2.5 Pro Preview 05-06 vs GPT-5.6 Luna

Gemini 2.5 Pro Preview 05-06 vs GPT-5.6 Luna

GPT-5.6 Luna is 15× cheaper per token on a blended 3:1 basis. GPT-5.6 Luna accepts the larger context window (1.1M).

Head to head
Blended price uses a 3:1 input:output mix
Gemini 2.5 Pro Preview 05-06GPT-5.6 Luna
ProviderGoogleOpenAI
Input $/1M$1.25$0.100
Output $/1M$10.00$0.600
Blended $/1M$3.44$0.225
Context window1.0M1.1M
Max output66K128K
ReleasedMay 2025Jul 2026
LicenceProprietaryProprietary
Choose Gemini 2.5 Pro Preview 05-06 if…
  • No clear advantage on the data we hold.
Choose GPT-5.6 Luna if…
  • Costs less per token — $0.225 vs $3.44 blended
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Gemini 2.5 Pro Preview 05-06 or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Gemini 2.5 Pro Preview 05-06 and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Gemini 2.5 Pro Preview 05-06 cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.225 versus $3.44 per million tokens blended at 3:1 input:output. Input alone: $1.25 vs $0.100. Output alone: $10.00 vs $0.600.
What context windows do Gemini 2.5 Pro Preview 05-06 and GPT-5.6 Luna have?
Gemini 2.5 Pro Preview 05-06: 1,048,576 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Gemini 2.5 Pro Preview 05-06 and GPT-5.6 Luna?
Gemini 2.5 Pro Preview 05-06 is made by Google. GPT-5.6 Luna is made by OpenAI.
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