DeepSeek Prover V2 is cheaper than GPT-5.1-Codex at $0/M vs $1.25/M input tokens.
| Spec | DeepSeek Prover V2 | GPT-5.1-Codex |
|---|---|---|
| Input price | Free | $1.25/M tokens |
| Output price | Free | $10/M tokens |
| Context window | 164K tokens | 400K tokens |
| Released | Apr 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: newer, bigger context window.
GPT-5.1-Codex uses 39.1x more hedging
DeepSeek Prover V2 is cheaper than GPT-5.1-Codex at $0/M vs $1.25/M input tokens.
| Spec | DeepSeek Prover V2 | GPT-5.1-Codex |
|---|---|---|
| Input price | Free | $1.25/M tokens |
| Output price | Free | $10/M tokens |
| Context window | 164K tokens | 400K tokens |
| Released | Apr 2025 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: newer, bigger context window.
GPT-5.1-Codex uses 39.1x more hedging