Andromeda Alpha is cheaper than ChatGPT-4o (March 2025) at $0/M vs $5/M input tokens.
| Spec | Andromeda Alpha | ChatGPT-4o (March 2025) |
|---|---|---|
| Input price | Free | $5/M tokens |
| Output price | Free | $15/M tokens |
| Context window | 128K tokens | 128K tokens |
| Free API (OpenRouter) | No | No |
| Released | Oct 2025 | Mar 2025 |
Not enough votes to call it. On the specs, ChatGPT-4o (March 2025) has the edge: bigger model tier, major provider backing.
Reviewing agent-written code?See a Brief PR report
Andromeda Alpha uses 2.5x more transitions