DeepSeek V4 Pro is cheaper than OpenAI o3 at $1.74/M vs $10/M input tokens.
| Spec | DeepSeek V4 Pro | OpenAI o3 |
|---|---|---|
| Input price | $1.74/M tokens | $10/M tokens |
| Output price | $3.48/M tokens | $40/M tokens |
| Context window | 1.0M tokens | — |
| Weights | Open | Closed |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
DeepSeek V4 Pro costs 11x less per token.
DeepSeek V4 Pro is cheaper on both: 5.7× input, 11× output.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
DeepSeek V4 Pro uses 3.5x more emoji