DeepSeek V3.1 vs gpt-5.1-codex
DeepSeek V3.1 is cheaper on output tokens, while gpt-5.1-codex offers a larger context window. Choose DeepSeek V3.1 or gpt-5.1-codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V3.1 | gpt-5.1-codex |
|---|---|---|
| Provider | Jiekou.AI | Jiekou.AI |
| Input / 1M tokens | $0.27 | $1.13 |
| Output / 1M tokens | $1.00 | $9.00 |
| Context window | 164K | 400K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Jan 2026 | Jan 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.