GLM 5.2 vs Grok 4.3

Choose GLM 5.2 if you want open-weight coding agents that want a long context. Choose Grok 4.3 if you want frontier capability on a tighter budget.

In our editorial scoring, GLM 5.2 leads in 4 of five dimensions (output quality, agentic ability, value for $ and reliability), while Grok 4.3 leads in 1. On price, GLM 5.2 runs about $1.26 per 1M tokens (blended) and is open-weight; Grok 4.3 is about $1.63 and proprietary.

The model is half the story — the agent is the other half

The model picks the moves; the agent runs the loop, the tools, and the guardrails. Once you've chosen a model, see which agent gets the most out of it.