token.app › Compare › Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Grok 4.5

Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Grok 4.5

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is 2.7× cheaper per token on a blended 3:1 basis. Grok 4.5 accepts the larger context window (500K).

Head to head
Blended price uses a 3:1 input:output mix
Nano Banana 2 (Gemini 3.1 Flash Image Preview)Grok 4.5
ProviderGooglexAI
Input $/1M$0.500$2.00
Output $/1M$3.00$6.00
Blended $/1M$1.13$3.00
Context window66K500K
Max output66K—
ReleasedFeb 2026Jul 2026
LicenceProprietaryProprietary
Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) if…
  • Costs less per token — $1.13 vs $3.00 blended
Choose Grok 4.5 if…
  • Larger context window (500K)
  • Newer model (released Jul 2026)
FAQ
Which is better, Nano Banana 2 (Gemini 3.1 Flash Image Preview) or Grok 4.5?
We do not hold independently-run benchmark scores covering both Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Grok 4.5, 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 Grok 4.5?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is cheaper: $1.13 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $2.00. Output alone: $3.00 vs $6.00.
What context windows do Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Grok 4.5 have?
Nano Banana 2 (Gemini 3.1 Flash Image Preview): 65,536 tokens. Grok 4.5: 500,000 tokens.
Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Grok 4.5?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is made by Google. Grok 4.5 is made by xAI.
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