GLM 5.1 is the newer model, released after MiniMax M2.1.
| Spec | GLM 5.1 | MiniMax M2.1 |
|---|---|---|
| Input price | $1.4/M tokens | — |
| Output price | $4.4/M tokens | — |
| Context window | 203K tokens | — |
| Weights | Open | Open |
| Free API (OpenRouter) | No | No |
| Released | Apr 2026 | Dec 2025 |
Not enough votes to call it. On the specs, nothing separates them.
Reviewing agent-written code?See a Brief PR report
Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.
MiniMax M2.1 uses 5.9x more emoji