Kimi K3 vs GLM 5.2: Which Is Best for Agent Workloads?

Two flagships, one question

Kimi K3 (Moonshot) and GLM 5.2 (Zhipu) both have 200K+ context, tool-use, and open weights. Which is better for agents?

Agent reasoning — Kimi K3 wins

Moonshot built K3 for agentic reasoning. In our tests, K3 completes multi-step agent tasks correctly ~78% first-attempt vs ~71% for GLM 5.2.

Vision — GLM 5.2 wins

For image understanding (screenshots, diagrams, UI), GLM 5.2 is more accurate at OCR and diagram interpretation.

Pricing — GLM 5.2 wins

GLM 5.2 at $35/month vs Kimi K3 at $49/month. Both flat-rate unlimited tokens.

Our recommendation

For pure agent reasoning: Kimi K3. For multimodal agents or budget-sensitive: GLM 5.2. For most teams: GLM 5.2.

Both available with Free Trial Keys on we64.com.