Best AI Agents for Full-Stack Apps — Z.ai
The best Z.ai model for building full-stack apps is GLM 5.2, rated 1276 in Design Arena's full-stack agent arena — given a brief and a tool loop, and judged on what it actually shipped. GLM 5.1 (1209) and GLM 5V Turbo (1190) round out the top three.
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glm-5.2ReasoningToolsJSON51.1 intel · $0.760/M · 143 t/s1276Agent Elo - 2glm-5.1ReasoningToolsJSON40.2 intel · $0.966/M · 205K ctx1209Agent Elo
- 3glm-5v-turboReasoningToolsJSON+134.5 intel · $1.20/M · 203K ctx1190Agent Elo
- 4glm-5ReasoningToolsJSON39.5 intel · $0.950/M · 205K ctx1164Agent Elo
- 5glm-4.7ReasoningToolsJSON33.7 intel · $0.400/M · 205K ctx1092Agent Elo
- 6glm-4.6vReasoningToolsJSON+111.0 intel · $0.300/M · 131K ctx1073Agent Elo
- 7glm-4.6ReasoningToolsJSON23.0 intel · $0.500/M · 36 t/s1073Agent Elo
How this is ranked
Models ranked by Design Arena Elo in the full-stack agent arena — each one is given a brief and a tool loop and has to build a working application, with humans judging the results head to head. This measures something a static coding benchmark cannot: whether a model can hold a multi-file project together, recover from its own mistakes, and finish.
Frequently asked
Which Z.ai model builds the best full-stack app?
The best Z.ai model for building full-stack apps is GLM 5.2, rated 1276 in Design Arena's full-stack agent arena — given a brief and a tool loop, and judged on what it actually shipped. GLM 5.1 (1209) and GLM 5V Turbo (1190) round out the top three.
What's a good alternative to GLM 5.2?
GLM 5.1 (1209) is the closest alternative on this metric, followed by GLM 5V Turbo (1190). See the full ranking above for the tradeoffs.
How many Z.ai models are there?
modelgrep tracks 12 Z.ai models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GLM 5.2. 7 of them qualify for this ranking.