token.app › Compare › Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.6 Luna

Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs GPT-5.6 Luna

GPT-5.6 Luna is 5.0× 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
Nano Banana 2 (Gemini 3.1 Flash Image Preview)GPT-5.6 Luna
ProviderGoogleOpenAI
Input $/1M$0.500$0.100
Output $/1M$3.00$0.600
Blended $/1M$1.13$0.225
Context window66K1.1M
Max output66K128K
ReleasedFeb 2026Jul 2026
LicenceProprietaryProprietary
Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) if…
  • No clear advantage on the data we hold.
Choose GPT-5.6 Luna if…
  • Costs less per token — $0.225 vs $1.13 blended
  • Larger context window (1.1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Nano Banana 2 (Gemini 3.1 Flash Image Preview) or GPT-5.6 Luna?
We do not hold independently-run benchmark scores covering both Nano Banana 2 (Gemini 3.1 Flash Image Preview) and GPT-5.6 Luna, so we make no quality claim. Their pricing and specifications are compared on this page.
Is Nano Banana 2 (Gemini 3.1 Flash Image Preview) cheaper than GPT-5.6 Luna?
GPT-5.6 Luna is cheaper: $0.225 versus $1.13 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $0.100. Output alone: $3.00 vs $0.600.
What context windows do Nano Banana 2 (Gemini 3.1 Flash Image Preview) and GPT-5.6 Luna have?
Nano Banana 2 (Gemini 3.1 Flash Image Preview): 65,536 tokens. GPT-5.6 Luna: 1,050,000 tokens.
Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview) and GPT-5.6 Luna?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is made by Google. GPT-5.6 Luna is made by OpenAI.
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