Gemini 2.5 Pro (I/O Edition) is cheaper than GPT-5.3-Codex at $1.25/M vs $1.75/M input tokens.
| Spec | Gemini 2.5 Pro (I/O Edition) | GPT-5.3-Codex |
|---|---|---|
| Input price | $1.25/M tokens | $1.75/M tokens |
| Output price | $10/M tokens | $14/M tokens |
| Context window | — | 400K tokens |
| Released | May 2025 | Feb 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 1.4× input, 1.4× output
GPT-5.3-Codex uses 15.8x more emoji
Gemini 2.5 Pro (I/O Edition) is cheaper than GPT-5.3-Codex at $1.25/M vs $1.75/M input tokens.
| Spec | Gemini 2.5 Pro (I/O Edition) | GPT-5.3-Codex |
|---|---|---|
| Input price | $1.25/M tokens | $1.75/M tokens |
| Output price | $10/M tokens | $14/M tokens |
| Context window | — | 400K tokens |
| Released | May 2025 | Feb 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 1.4× input, 1.4× output
GPT-5.3-Codex uses 15.8x more emoji