MiniMax M2.5 is cheaper than GPT-6 Astra at $0.3/M vs $10/M input tokens.
| Spec | GPT-6 Astra | MiniMax M2.5 |
|---|---|---|
| Input price | $10/M tokens | $0.3/M tokens |
| Output price | $50/M tokens | $1.2/M tokens |
| Context window | 1.1M tokens | 205K tokens |
| Weights | Closed | Open |
| Free API (OpenRouter) | No | No |
| Released | Sep 2026 | Feb 2026 |
Not enough votes to call it. On the specs, GPT-6 Astra has the edge: bigger model tier, newer, bigger context window, major provider backing.
MiniMax M2.5 costs 42x less per token.
MiniMax M2.5 is cheaper on both: 33× input, 42× output.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
GPT-6 Astra uses 2.5x more emoji