GPT-4.1 Mini vs DeepSeek/DeepSeek-V3.1-Terminus-Thinking
GPT-4.1 Mini is cheaper on output tokens, while GPT-4.1 Mini offers a larger context window. Choose GPT-4.1 Mini or DeepSeek/DeepSeek-V3.1-Terminus-Thinking based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-4.1 Mini | DeepSeek/DeepSeek-V3.1-Terminus-Thinking |
|---|---|---|
| Provider | OpenAI | Qiniu |
| Input / 1M tokens | $0.40 | $0.58 |
| Output / 1M tokens | $1.60 | $1.74 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2025 | Sep 2025 |
| Aider Polyglot score | 32.4 | — |
| GPQA Diamond score | 65.8 | — |
| LMArena (Chatbot Arena) Elo score | 1341 | — |
| FrontierMath score | 4.5 | — |
| SWE-bench Verified score | 23.9 | — |
| LMArena Vision Elo score | 1181 | — |
| Epoch Capabilities Index score | 135 | — |
FAQ
Is GPT-4.1 Mini or DeepSeek/DeepSeek-V3.1-Terminus-Thinking cheaper?
GPT-4.1 Mini is cheaper on output tokens ($1.60 vs $1.74 per 1M).
Which has the larger context window, GPT-4.1 Mini or DeepSeek/DeepSeek-V3.1-Terminus-Thinking?
GPT-4.1 Mini has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.