Kimi K3.1 Pro vs o4 Mini High

Price, context window & benchmark comparison

Moonshot AI

Kimi K3.1 Pro

Moonshot AI
$2.00 / $10.00
Input / Output · per 1M tokens
VS
OpenAI

o4 Mini High

OpenAI
$1.10 / $4.40
Input / Output · per 1M tokens
Compare different models
Moonshot AI
OpenAI
Verdict: o4 Mini High is 2.1× 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 200K).
Kimi K3.1 Proo4 Mini High
Input price / 1M$2.00$1.10
Output price / 1M$10.00$4.40
Blended price (3:1)$4.00$1.93
Cached input / 1M$0.20$0.28
Context window1M200K
Max output944K100K
Intelligence index46.5—
Coding index——
Providers23—
Best provider uptime (30m)100.0%—
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-10-232025-04-16
Retirement——

Cost calculator

FAQ

Which is cheaper, Kimi K3.1 Pro or o4 Mini High?

o4 Mini High is 2.1× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Kimi K3.1 Pro vs o4 Mini High: which has a bigger context window?

Kimi K3.1 Pro: 1,048,576 tokens. o4 Mini High: 200,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3.1 Pro ≈ $9,000, o4 Mini High ≈ $4,400.

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