Nano Banana 2 (Gemini 3.1 Flash Image) vs Grok 4.6

Price, context window & benchmark comparison

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Nano Banana 2 (Gemini 3.1 Flash Image)

Google
$0.50 / $3.00
Input / Output · per 1M tokens
VS
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Grok 4.6

xAI
$2.00 / $6.00
Input / Output · per 1M tokens
Compare different models
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X
Verdict: Nano Banana 2 (Gemini 3.1 Flash Image) is 2.7× cheaper than Grok 4.6 on a typical 3:1 input/output mix. Grok 4.6 has the larger context window (500K vs 131K).
Nano Banana 2 (Gemini 3.1 Flash Image)Grok 4.6
Input price / 1M$0.50$2.00
Output price / 1M$3.00$6.00
Blended price (3:1)$1.13$3.00
Cached input / 1M$0.50
Context window131K500K
Max output33K450K
Intelligence index44.3
Coding index76.8
Providers25
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingNoYes
Released2026-06-182026-08-12
Retirement

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FAQ

Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image) or Grok 4.6?

Nano Banana 2 (Gemini 3.1 Flash Image) is 2.7× cheaper than Grok 4.6 on a typical 3:1 input/output mix.

Nano Banana 2 (Gemini 3.1 Flash Image) vs Grok 4.6: which has a bigger context window?

Nano Banana 2 (Gemini 3.1 Flash Image): 131,072 tokens. Grok 4.6: 500,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana 2 (Gemini 3.1 Flash Image) ≈ $2,500, Grok 4.6 ≈ $7,000.

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