DeepSeek Prover V2 is cheaper than DeepSeek V4 Pro at $0/M vs $1.74/M input tokens.
| Spec | DeepSeek Prover V2 | DeepSeek V4 Pro |
|---|---|---|
| Input price | Free | $1.74/M tokens |
| Output price | Free | $3.48/M tokens |
| Context window | 164K tokens | 1.0M tokens |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Apr 2025 | Apr 2026 |
Not enough votes to call it. On the specs, DeepSeek V4 Pro has the edge: newer, bigger context window.
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Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.
DeepSeek V4 Pro uses 51.8x more hedging