GPT-6 Astra Pro vs Grok Build 0.1

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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Grok Build 0.1

xAI
$1.00 / $2.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Grok Build 0.1 is 16.0× 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 256K).
GPT-6 Astra ProGrok Build 0.1
Input price / 1M$10.00$1.00
Output price / 1M$50.00$2.00
Blended price (3:1)$20.00$1.25
Cached input / 1M$1.00$0.20
Context window1.1M256K
Max output128K230K
Intelligence index
Coding index51.5
Providers54
Best provider uptime (30m)99.9%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-042026-05-20
Retirement

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FAQ

Which is cheaper, GPT-6 Astra Pro or Grok Build 0.1?

Grok Build 0.1 is 16.0× cheaper than GPT-6 Astra Pro on a typical 3:1 input/output mix.

GPT-6 Astra Pro vs Grok Build 0.1: which has a bigger context window?

GPT-6 Astra Pro: 1,050,000 tokens. Grok Build 0.1: 256,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Astra Pro ≈ $45,000, Grok Build 0.1 ≈ $3,000.

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