GPT-6 Astra Pro vs Kimi K2.6

Price, context window & benchmark comparison

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GPT-6 Astra Pro

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
VS
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Kimi K2.6

Moonshot AI
$0.95 / $4.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Kimi K2.6 is 11.7× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix. GPT-6 Astra Pro has the larger context window (1.1M vs 262K).
GPT-6 Astra ProKimi K2.6
Input price / 1M$10.00$0.95
Output price / 1M$50.00$4.00
Blended price (3:1)$20.00$1.71
Cached input / 1M$1.00$0.16
Context window1.1M262K
Max output128K236K
Intelligence index27
Coding index61.8
Providers522
Best provider uptime (30m)99.9%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-042026-04-20
Retirement

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FAQ

Which is cheaper, GPT-6 Astra Pro or Kimi K2.6?

Kimi K2.6 is 11.7× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.

GPT-6 Astra Pro vs Kimi K2.6: which has a bigger context window?

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

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra Pro ≈ $45,000, Kimi K2.6 ≈ $3,900.

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