Updated
GPT-6 Astra vs Grok 4.7
GPT-6 Astra had 45% fewer counted bugs per line than Grok 4.7 (0.98 vs 1.79).
| GPT-6 Astra | Grok 4.7 | |
|---|---|---|
| Bug rate | ||
| Relative bug rate | 0.98 | 1.79 |
| Rank | #3 of 8 | #8 of 8 |
| By language | ||
| TypeScript | 1.12 | 1.75 |
| Python(statistically tied) | 1.16 | 1.54 |
| Details | ||
| Provider | OpenAI | xAI |
| Released | Sep 4, 2026 | Sep 21, 2026 |
| List price | $10 input / $50 output per 1M tokens | $2 input / $6 output per 1M tokens |
| Share of AI-written code, week of Oct 26 | 4.4% | 1.1% |
1.00 = average · lower is better · = statistically tied
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Questions and answers
- Which has fewer bugs, GPT-6 Astra or Grok 4.7?
- GPT-6 Astra had 45% fewer counted bugs per line than Grok 4.7 (0.98 vs 1.79). GPT-6 Astra ranks #3 of 8 and Grok 4.7 #8.
- Which is cheaper, GPT-6 Astra or Grok 4.7?
- GPT-6 Astra lists at $10 input / $50 output per 1M tokens; Grok 4.7 lists at $2 input / $6 output per 1M tokens. Grok 4.7 has the lower list price.
- Does it depend on the programming language?
- In TypeScript, GPT-6 Astra had the lower rate (1.12 vs 1.75); in Python, they were statistically tied (1.16 and 1.54).
- Which is used more, GPT-6 Astra or Grok 4.7?
- GPT-6 Astra, with 4.4% of the AI-written code reviewed by cubic in the week of Oct 26, 2026, against 1.1% for Grok 4.7.