GPT-5.1-Codex-Mini vs Grok Build 0.1
Both have similar output pricing, while GPT-5.1-Codex-Mini offers a larger context window. Choose GPT-5.1-Codex-Mini or Grok Build 0.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.1-Codex-Mini | Grok Build 0.1 |
|---|---|---|
| Provider | OpenAI | SpaceXAI |
| Input / 1M tokens | $0.25 | $1.00 |
| Output / 1M tokens | $2.00 | $2.00 |
| Context window | 400K | 256K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Nov 2025 | — |
| LiveBench score | 60.8 | 69.6 |
| LMArena WebDev Elo score | 1243 | — |
FAQ
Is GPT-5.1-Codex-Mini or Grok Build 0.1 cheaper?
GPT-5.1-Codex-Mini and Grok Build 0.1 have comparable output pricing.
Which has the larger context window, GPT-5.1-Codex-Mini or Grok Build 0.1?
GPT-5.1-Codex-Mini has the larger context window (400K tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.