Kimi K3.1 Pro vs Solar Mini 4

Price, context window & benchmark comparison

Moonshot AI

Kimi K3.1 Pro

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

Solar Mini 4

Upstage
$0.05 / $0.20
Input / Output · per 1M tokens
Compare different models
Moonshot AI
Upstage
Verdict: Solar Mini 4 is 45.7× 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 524K).
Kimi K3.1 ProSolar Mini 4
Input price / 1M$2.00$0.05
Output price / 1M$10.00$0.20
Blended price (3:1)$4.00$0.0875
Cached input / 1M$0.20$0.005
Context window1M524K
Max output944K131K
Intelligence index46.5—
Coding index——
Providers23—
Best provider uptime (30m)100.0%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-10-232026-09-23
Retirement——

Cost calculator

FAQ

Which is cheaper, Kimi K3.1 Pro or Solar Mini 4?

Solar Mini 4 is 45.7× cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.

Kimi K3.1 Pro vs Solar Mini 4: which has a bigger context window?

Kimi K3.1 Pro: 1,048,576 tokens. Solar Mini 4: 524,288 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Kimi K3.1 Pro ≈ $9,000, Solar Mini 4 ≈ $200.00.

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