Optimus Alpha has a larger context window than GPT-5.4 Mini (1.0M tokens vs 400K tokens).
| Spec | GPT-5.4 Mini | Optimus Alpha |
|---|---|---|
| Input price | $0.75/M tokens | — |
| Output price | $4.5/M tokens | — |
| Context window | 400K tokens | 1.0M tokens |
| Released | Mar 2026 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Optimus Alpha uses 7.0x more transitions
Optimus Alpha has a larger context window than GPT-5.4 Mini (1.0M tokens vs 400K tokens).
| Spec | GPT-5.4 Mini | Optimus Alpha |
|---|---|---|
| Input price | $0.75/M tokens | — |
| Output price | $4.5/M tokens | — |
| Context window | 400K tokens | 1.0M tokens |
| Released | Mar 2026 | Apr 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Optimus Alpha uses 7.0x more transitions