Gemini 3 Flash Preview vs Kimi K3.1 Pro

Price, context window & benchmark comparison

Google

Gemini 3 Flash Preview

Google
$0.50 / $3.00
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: Gemini 3 Flash Preview is 3.6× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.
Gemini 3 Flash PreviewKimi K3.1 Pro
Input price / 1M$0.50$2.00
Output price / 1M$3.00$10.00
Blended price (3:1)$1.13$4.00
Cached input / 1M$0.05$0.20
Context window1M1M
Max output66K944K
Intelligence index—46.5
Coding index——
Providers—23
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-12-172026-10-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Gemini 3 Flash Preview or Kimi K3.1 Pro?

Gemini 3 Flash Preview is 3.6× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Gemini 3 Flash Preview vs Kimi K3.1 Pro: which has a bigger context window?

Gemini 3 Flash Preview: 1,048,576 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: Gemini 3 Flash Preview ≈ $2,500, Kimi K3.1 Pro ≈ $9,000.

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