GPT-6 Luna Pro vs Grok 4.7

Price, context window & benchmark comparison

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GPT-6 Luna Pro

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
VS
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Grok 4.7

xAI
$1.60 / $4.80
Input / Output · per 1M tokens
Compare different models
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X
Verdict: GPT-6 Luna Pro is 12.0× cheaper than Grok 4.7 on a typical 3:1 input/output mix. GPT-6 Luna Pro has the larger context window (1.1M vs 500K).
GPT-6 Luna ProGrok 4.7
Input price / 1M$0.10$1.60
Output price / 1M$0.50$4.80
Blended price (3:1)$0.20$2.40
Cached input / 1M$0.01$0.40
Context window1.1M500K
Max output128K450K
Intelligence index46.4
Coding index
Providers64
Best provider uptime (30m)99.9%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-09-21
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FAQ

Which is cheaper, GPT-6 Luna Pro or Grok 4.7?

GPT-6 Luna Pro is 12.0× cheaper than Grok 4.7 on a typical 3:1 input/output mix.

GPT-6 Luna Pro vs Grok 4.7: which has a bigger context window?

GPT-6 Luna Pro: 1,050,000 tokens. Grok 4.7: 500,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: GPT-6 Luna Pro ≈ $450.00, Grok 4.7 ≈ $5,600.

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