GPT-5.1-Codex is cheaper than Claude 2 at $1.25/M vs $11.02/M input tokens.
| Spec | Claude 2 | GPT-5.1-Codex |
|---|---|---|
| Input price | $11.02/M tokens | $1.25/M tokens |
| Output price | $32.68/M tokens | $10/M tokens |
| Context window | 100K tokens | 400K tokens |
| Released | Jun 2023 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: bigger model tier, newer, bigger context window.
GPT-5.1-Codex costs 3.3x less per token.
GPT-5.1-Codex is cheaper on both — 8.8× input, 3.3× output
GPT-5.1-Codex uses 39.1x more hedging
GPT-5.1-Codex is cheaper than Claude 2 at $1.25/M vs $11.02/M input tokens.
| Spec | Claude 2 | GPT-5.1-Codex |
|---|---|---|
| Input price | $11.02/M tokens | $1.25/M tokens |
| Output price | $32.68/M tokens | $10/M tokens |
| Context window | 100K tokens | 400K tokens |
| Released | Jun 2023 | Nov 2025 |
Not enough votes to call it. On the specs, GPT-5.1-Codex has the edge: bigger model tier, newer, bigger context window.
GPT-5.1-Codex costs 3.3x less per token.
GPT-5.1-Codex is cheaper on both — 8.8× input, 3.3× output
GPT-5.1-Codex uses 39.1x more hedging