DeepSeek V4 Flash Fast vs GPT-4o-mini
DeepSeek V4 Flash Fast is cheaper on output tokens, while DeepSeek V4 Flash Fast offers a larger context window. Choose DeepSeek V4 Flash Fast or GPT-4o-mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | DeepSeek V4 Flash Fast | GPT-4o-mini |
|---|---|---|
| Provider | CommandCode | OpenAI |
| Input / 1M tokens | $0.28 | $0.15 |
| Output / 1M tokens | $0.56 | $0.60 |
| Context window | 1M | 128K |
| Parameters | — | — |
| Open weights | Yes | No |
| Released | Apr 2026 | Jul 2024 |
| Aider Polyglot score | — | 3.6 |
| GPQA Diamond score | — | 37.7 |
| Epoch Capabilities Index score | — | 127 |
| LMArena (Chatbot Arena) Elo score | — | 1286 |
| LMArena Vision Elo score | — | 1066 |
FAQ
Is DeepSeek V4 Flash Fast or GPT-4o-mini cheaper?
DeepSeek V4 Flash Fast is cheaper on output tokens ($0.56 vs $0.60 per 1M).
Which has the larger context window, DeepSeek V4 Flash Fast or GPT-4o-mini?
DeepSeek V4 Flash Fast 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.