GPT-5 Codex is the newer model, released after GPT-1.
| Spec | GPT-5 Codex | GPT-1 |
|---|---|---|
| Context window | — | 1K tokens |
| Released | Sep 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5 Codex has the edge: bigger model tier, newer.
GPT-5 Codex uses 229.7x more bold
GPT-5 Codex is the newer model, released after GPT-1.
| Spec | GPT-5 Codex | GPT-1 |
|---|---|---|
| Context window | — | 1K tokens |
| Released | Sep 2025 | Jun 2018 |
Not enough votes to call it. On the specs, GPT-5 Codex has the edge: bigger model tier, newer.
GPT-5 Codex uses 229.7x more bold