Nano Banana (Gemini 2.5 Flash Image) vs Kimi K3.1 Pro

Price, context window & benchmark comparison

Google

Nano Banana (Gemini 2.5 Flash Image)

Google
$0.30 / $2.50
Input / Output · per 1M tokens
VS
Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
Google
Moonshot AI
Verdict: Nano Banana (Gemini 2.5 Flash Image) is 4.7× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Kimi K3.1 Pro has the larger context window (1M vs 33K).
Nano Banana (Gemini 2.5 Flash Image)Kimi K3.1 Pro
Input price / 1M$0.30$2.00
Output price / 1M$2.50$10.00
Blended price (3:1)$0.85$4.00
Cached input / 1M$0.03$0.20
Context window33K1M
Max output8K944K
Intelligence index—46.5
Coding index——
Providers—23
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningNoYes
Tool callingNoYes
Released2025-10-072026-10-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Nano Banana (Gemini 2.5 Flash Image) or Kimi K3.1 Pro?

Nano Banana (Gemini 2.5 Flash Image) is 4.7× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Nano Banana (Gemini 2.5 Flash Image) vs Kimi K3.1 Pro: which has a bigger context window?

Nano Banana (Gemini 2.5 Flash Image): 32,768 tokens. Kimi K3.1 Pro: 1,048,576 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Nano Banana (Gemini 2.5 Flash Image) ≈ $1,850, Kimi K3.1 Pro ≈ $9,000.

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