Grok 3 Mini vs GPT-5.1
Grok 3 Mini is cheaper on output tokens, while GPT-5.1 offers a larger context window. Choose Grok 3 Mini or GPT-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 3 Mini | GPT-5.1 |
|---|---|---|
| Provider | Poe | Poe |
| Input / 1M tokens | $0.30 | $1.10 |
| Output / 1M tokens | $0.50 | $9.00 |
| Context window | 131K | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2025 | Nov 2025 |
FAQ
Is Grok 3 Mini or GPT-5.1 cheaper?
Grok 3 Mini is cheaper on output tokens ($0.50 vs $9.00 per 1M).
Which has the larger context window, Grok 3 Mini or GPT-5.1?
GPT-5.1 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.