Optimus Alpha has a larger context window than Mercury 2.5 Preview (1.0M tokens vs 260K tokens).
| Spec | Mercury 2.5 Preview | Optimus Alpha |
|---|---|---|
| Input price | $0.04/M tokens | — |
| Output price | $0.15/M tokens | — |
| Context window | 260K tokens | 1.0M tokens |
| Released | Aug 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Optimus Alpha has the edge: bigger model tier, bigger context window.
Mercury 2.5 Preview uses 2.6x more headings
Optimus Alpha has a larger context window than Mercury 2.5 Preview (1.0M tokens vs 260K tokens).
| Spec | Mercury 2.5 Preview | Optimus Alpha |
|---|---|---|
| Input price | $0.04/M tokens | — |
| Output price | $0.15/M tokens | — |
| Context window | 260K tokens | 1.0M tokens |
| Released | Aug 2026 | Apr 2025 |
Not enough votes to call it. On the specs, Optimus Alpha has the edge: bigger model tier, bigger context window.
Mercury 2.5 Preview uses 2.6x more headings