DeepSeek V4 Flash vs GLM 4.6

Choose DeepSeek V4 Flash if you want cheap, high-volume open-weight agent steps. Choose GLM 4.6 if you want the value pick for open-weight coding agents.

In our editorial scoring, DeepSeek V4 Flash leads in 5 of five dimensions (output quality, agentic ability, speed, value for $ and reliability), while GLM 4.6 leads in 0. On price, DeepSeek V4 Flash runs about $0.12 per 1M tokens (blended) and is open-weight; GLM 4.6 is about $0.82 and open-weight.

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.