Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | GPT-5.1 Codex mini (high) | Grok Build 0.1 0616 |
|---|---|---|
| Input ($/M tokens) | $0.25 | $1 |
| Output ($/M tokens) | $2 | $2 |
Data from Artificial Analysis API — 12 benchmarks
GPT-5.1 Codex mini (high) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.69/M tokens vs $1.25/M for Grok Build 0.1 0616.
GPT-5.1 Codex mini (high) wins 6 out of 12 benchmarks compared to 5 for Grok Build 0.1 0616. See the detailed benchmark chart above for per-category results.
GPT-5.1 Codex mini (high) generates tokens faster at 213 tok/s vs 52 tok/s. However, Grok Build 0.1 0616 has lower time-to-first-token (0.40s vs 4.98s).
Choose based on your priorities: GPT-5.1 Codex mini (high) for lower cost, GPT-5.1 Codex mini (high) for stronger benchmark performance, and GPT-5.1 Codex mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.