Mercury 2.5 Preview is cheaper than ChatGPT-4o (March 2025) at $0.04/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Mercury 2.5 Preview |
|---|---|---|
| Input price | $5/M tokens | $0.04/M tokens |
| Output price | $15/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Mar 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 100x less per token.
Mercury 2.5 Preview is cheaper on both — 125× input, 100× output
ChatGPT-4o (March 2025) uses 94.5x more emoji
Mercury 2.5 Preview is cheaper than ChatGPT-4o (March 2025) at $0.04/M vs $5/M input tokens.
| Spec | ChatGPT-4o (March 2025) | Mercury 2.5 Preview |
|---|---|---|
| Input price | $5/M tokens | $0.04/M tokens |
| Output price | $15/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Mar 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 100x less per token.
Mercury 2.5 Preview is cheaper on both — 125× input, 100× output
ChatGPT-4o (March 2025) uses 94.5x more emoji