Mercury 2.5 Preview is cheaper than GPT-5.4 Mini at $0.04/M vs $0.75/M input tokens.
| Spec | GPT-5.4 Mini | Mercury 2.5 Preview |
|---|---|---|
| Input price | $0.75/M tokens | $0.04/M tokens |
| Output price | $4.5/M tokens | $0.15/M tokens |
| Context window | 400K tokens | 260K tokens |
| Released | Mar 2026 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 30x less per token.
Mercury 2.5 Preview is cheaper on both — 19× input, 30× output
Mercury 2.5 Preview uses 5.0x more transitions
Mercury 2.5 Preview is cheaper than GPT-5.4 Mini at $0.04/M vs $0.75/M input tokens.
| Spec | GPT-5.4 Mini | Mercury 2.5 Preview |
|---|---|---|
| Input price | $0.75/M tokens | $0.04/M tokens |
| Output price | $4.5/M tokens | $0.15/M tokens |
| Context window | 400K tokens | 260K tokens |
| Released | Mar 2026 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 30x less per token.
Mercury 2.5 Preview is cheaper on both — 19× input, 30× output
Mercury 2.5 Preview uses 5.0x more transitions