Updated
GPT-6.1 Sol vs Grok 4.7
GPT-6.1 Sol had 58% fewer counted bugs per line than Grok 4.7 (0.76 vs 1.79).
| GPT-6.1 Sol | Grok 4.7 | |
|---|---|---|
| Bug rate | ||
| Relative bug rate | 0.76 | 1.79 |
| Rank | #1 of 8 | #8 of 8 |
| By language | ||
| TypeScript | 1.08 | 1.75 |
| Python | 0.60 | 1.54 |
| Details | ||
| Provider | OpenAI | xAI |
| Released | Sep 29, 2026 | Sep 21, 2026 |
| List price | $2 input / $10 output per 1M tokens | $2 input / $6 output per 1M tokens |
| Share of AI-written code, week of Oct 26 | 9.9% | 1.1% |
1.00 = average · lower is better
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Questions and answers
- Which has fewer bugs, GPT-6.1 Sol or Grok 4.7?
- GPT-6.1 Sol had 58% fewer counted bugs per line than Grok 4.7 (0.76 vs 1.79). GPT-6.1 Sol ranks #1 of 8 and Grok 4.7 #8.
- Which is cheaper, GPT-6.1 Sol or Grok 4.7?
- GPT-6.1 Sol lists at $2 input / $10 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-6.1 Sol had the lower rate (1.08 vs 1.75); in Python, GPT-6.1 Sol had the lower rate (0.60 vs 1.54).
- Which is used more, GPT-6.1 Sol or Grok 4.7?
- GPT-6.1 Sol, with 9.9% of the AI-written code reviewed by cubic in the week of Oct 26, 2026, against 1.1% for Grok 4.7.