GPT-5 Codex is the newer model, released after DeepSeek R1.
| Spec | DeepSeek R1 | GPT-5 Codex |
|---|---|---|
| Input price | $0.55/M tokens | — |
| Output price | $2.19/M tokens | — |
| Context window | 128K tokens | — |
| Released | Feb 2025 | Sep 2025 |
| SWE-bench Verified | 49.2% | 74.5% |
Not enough votes to call it. On the specs, GPT-5 Codex has the edge: bigger model tier, newer.
GPT-5 Codex takes Conversation.
DeepSeek R1 uses 4.6x more transitions
GPT-5 Codex is the newer model, released after DeepSeek R1.
| Spec | DeepSeek R1 | GPT-5 Codex |
|---|---|---|
| Input price | $0.55/M tokens | — |
| Output price | $2.19/M tokens | — |
| Context window | 128K tokens | — |
| Released | Feb 2025 | Sep 2025 |
| SWE-bench Verified | 49.2% | 74.5% |
Not enough votes to call it. On the specs, GPT-5 Codex has the edge: bigger model tier, newer.
GPT-5 Codex takes Conversation.
DeepSeek R1 uses 4.6x more transitions