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GLM 5.2

Frontier

Z.AI's flagship open-weight model — strong agentic coding with a 1M context.

Z.AI
Maker
89/100
Overall
65
Value score
$1.61
Blended /1M
1.0M
Context
Open
Weights
Pricing: $0.98 in · $3.08 out / 1M tokens · synced from OpenRouter · updated 2026-06-22

Scorecard

Output Quality9.0/10 · 77% community
Agentic Ability9.2/10 · 78% community
Speed7.6/10 · 70% community
Value for $8.8/10 · 76% community
Reliability8.7/10 · 76% community

GLM 5.2 is Z.AI's flagship open-weight model and the latest in a GLM line that became hugely popular for coding agents. It pairs strong agentic coding with a 1M-token context at open-weight pricing.

Strengths
  • Strong agentic coding
  • Open weights
  • 1M context
Trade-offs
  • Just behind the closed flagships on hard tasks
  • Hosted throughput varies

Agents that run GLM 5.2 well

Open-weight coding agents that want a long context.

Best model for ClineBest model for AiderBest model for Kilo CodeBest model for OpenCodeBest model for OpenClaw

GLM 5.2 FAQ

Is GLM 5.2 good for AI agents?
Open-weight coding agents that want a long context. On our editorial scoring it rates 9.2/10 for agentic ability and 9.0/10 for output quality. Strong agentic coding.
How much does GLM 5.2 cost?
Via OpenRouter, GLM 5.2 is priced at $0.98 in · $3.08 out / 1M tokens — a blended rate of about $1.61 per 1M tokens for typical input-heavy agent use.
What is GLM 5.2's context window?
GLM 5.2 has a 1.0M-token context window — large enough to hold sizeable codebases or document sets in a single run. Z.AI is the maker.
Is GLM 5.2 open source?
Yes — GLM 5.2 ships with open weights, so you can self-host it for privacy or run it through a hosted provider like OpenRouter. That openness is a big reason it's popular in open agent stacks.
What are the downsides of GLM 5.2?
The main trade-offs: just behind the closed flagships on hard tasks; hosted throughput varies. It's strongest for open-weight coding agents that want a long context.

GLM 5.2 compared

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