GPT-6 Sol Pro vs Kimi K2 0905

Price, context window & benchmark comparison

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GPT-6 Sol Pro

OpenAI
$2.00 / $10.00
Input / Output · per 1M tokens
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Kimi K2 0905

Moonshot AI
$0.60 / $2.50
Input / Output · per 1M tokens
Compare different models
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Verdict: Kimi K2 0905 is 3.7× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix. GPT-6 Sol Pro has the larger context window (1.1M vs 262K).
GPT-6 Sol ProKimi K2 0905
Input price / 1M$2.00$0.60
Output price / 1M$10.00$2.50
Blended price (3:1)$4.00$1.07
Cached input / 1M$0.20
Context window1.1M262K
Max output128K98K
Intelligence index
Coding index
Providers6
Best provider uptime (30m)99.9%
Vision inputYesNo
ReasoningYesNo
Tool callingYesYes
Released2026-09-222025-09-04
Retirement

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FAQ

Which is cheaper, GPT-6 Sol Pro or Kimi K2 0905?

Kimi K2 0905 is 3.7× cheaper than GPT-6 Sol Pro on a typical 3:1 input/output mix.

GPT-6 Sol Pro vs Kimi K2 0905: which has a bigger context window?

GPT-6 Sol Pro: 1,050,000 tokens. Kimi K2 0905: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Sol Pro ≈ $9,000, Kimi K2 0905 ≈ $2,450.

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