GLM-5.3-Flash tops agentic tool-call leaderboard at 78%, priced at just $0.50/M output tokens

shensi · x · 2026-09-09

In Merge API's weekly ranking of models for agentic tool calls, Zai.org's GLM-5.3-Flash leads at 78% while also being the cheapest to run, at $0.50 per million output tokens. It's currently 90% off on Merge Gateway through September 30.

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