GPT-6 Astra vs Kimi K2.7 Code

Price, context window & benchmark comparison

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GPT-6 Astra

OpenAI
$10.00 / $50.00
Input / Output · per 1M tokens
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Kimi K2.7 Code

Moonshot AI
$0.71 / $3.30
Input / Output · per 1M tokens
Compare different models
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Verdict: Kimi K2.7 Code is 14.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix. GPT-6 Astra scores higher on the Artificial Analysis Intelligence Index (52.7 vs 25.8). GPT-6 Astra has the larger context window (1.1M vs 262K).
GPT-6 AstraKimi K2.7 Code
Input price / 1M$10.00$0.71
Output price / 1M$50.00$3.30
Blended price (3:1)$20.00$1.35
Cached input / 1M$1.00$0.18
Context window1.1M262K
Max output128K236K
Intelligence index52.725.8
Coding index76.960.8
Providers615
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-042026-06-12
Retirement——

Cost calculator

FAQ

Which is cheaper, GPT-6 Astra or Kimi K2.7 Code?

Kimi K2.7 Code is 14.8× cheaper than GPT-6 Astra on a typical 3:1 input/output mix.

GPT-6 Astra vs Kimi K2.7 Code: which has a bigger context window?

GPT-6 Astra: 1,050,000 tokens. Kimi K2.7 Code: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra ≈ $45,000, Kimi K2.7 Code ≈ $3,062.

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