Mercury 2.5 Preview is cheaper than Hy4 Preview at $0.04/M vs $0.834/M input tokens.
| Spec | Hy4 Preview | Mercury 2.5 Preview |
|---|---|---|
| Input price | $0.834/M tokens | $0.04/M tokens |
| Output price | $2.501/M tokens | $0.15/M tokens |
| Context window | 1.0M tokens | 260K tokens |
| Released | Aug 2026 | Aug 2026 |
Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, bigger context window.
Mercury 2.5 Preview costs 17x less per token.
Mercury 2.5 Preview is cheaper on both — 21× input, 17× output
Hy4 Preview uses 40.1x more emoji
Mercury 2.5 Preview is cheaper than Hy4 Preview at $0.04/M vs $0.834/M input tokens.
| Spec | Hy4 Preview | Mercury 2.5 Preview |
|---|---|---|
| Input price | $0.834/M tokens | $0.04/M tokens |
| Output price | $2.501/M tokens | $0.15/M tokens |
| Context window | 1.0M tokens | 260K tokens |
| Released | Aug 2026 | Aug 2026 |
Not enough votes to call it. On the specs, Hy4 Preview has the edge: bigger model tier, bigger context window.
Mercury 2.5 Preview costs 17x less per token.
Mercury 2.5 Preview is cheaper on both — 21× input, 17× output
Hy4 Preview uses 40.1x more emoji