Mercury 2.5 Preview is cheaper than GPT-4.5 at $0.04/M vs $75/M input tokens.
| Spec | GPT-4.5 | Mercury 2.5 Preview |
|---|---|---|
| Input price | $75/M tokens | $0.04/M tokens |
| Output price | $150/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 1000x less per token.
Mercury 2.5 Preview is cheaper on both — 1875× input, 1000× output
GPT-4.5 uses 2.7x more transitions
Mercury 2.5 Preview is cheaper than GPT-4.5 at $0.04/M vs $75/M input tokens.
| Spec | GPT-4.5 | Mercury 2.5 Preview |
|---|---|---|
| Input price | $75/M tokens | $0.04/M tokens |
| Output price | $150/M tokens | $0.15/M tokens |
| Context window | 128K tokens | 260K tokens |
| Released | Feb 2025 | Aug 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Mercury 2.5 Preview costs 1000x less per token.
Mercury 2.5 Preview is cheaper on both — 1875× input, 1000× output
GPT-4.5 uses 2.7x more transitions