Gemini 2.5 Pro (I/O Edition) is cheaper than ChatGPT-4o (March 2025) at $1.25/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Gemini 2.5 Pro (I/O Edition) |
|---|---|---|
| Input price | $5/M tokens | $1.25/M tokens |
| Output price | $15/M tokens | $10/M tokens |
| Context window | 128K tokens | — |
| Released | Mar 2025 | May 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 4.0× input, 1.5× output
ChatGPT-4o (March 2025) uses 94.5x more emoji
Gemini 2.5 Pro (I/O Edition) is cheaper than ChatGPT-4o (March 2025) at $1.25/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Gemini 2.5 Pro (I/O Edition) |
|---|---|---|
| Input price | $5/M tokens | $1.25/M tokens |
| Output price | $15/M tokens | $10/M tokens |
| Context window | 128K tokens | — |
| Released | Mar 2025 | May 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Gemini 2.5 Pro (I/O Edition) is cheaper on both — 4.0× input, 1.5× output
ChatGPT-4o (March 2025) uses 94.5x more emoji