AgenticMarket
Z-aiOpen WeightReleased: 2026-08-18Z.ai: GLM 5.3
GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...
ARCHITECTURE & LIMITS
Z-aiBENCHMARK EVALUATIONS & CODE METRICS
Verified scores from SWE-bench and Artificial Analysis.
Independent coding benchmark evaluating syntax, algorithms, and code completion
Broad multi-domain reasoning, science, and knowledge retrieval
Autonomous multi-step tool use, API calling, and task execution
TOKEN COST CALCULATOR
Estimate production API costs for Z.ai: GLM 5.3.
COMMUNITY ENGINEERING EVALUATIONS
Verified ratings across 4 core software engineering dimensions.
Refactoring accuracy, syntax correctness, and adherence to design patterns.
Zero hallucinations, strict constraint compliance, and negative prompt respect.
Time-to-first-token (TTFT) and throughput tokens per second.
Token pricing economics relative to intelligence quality and output volume.
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RECOMMENDED AGENT SKILLS FOR Z.ai: GLM 5.3
boardroom
/cs:boardroom <brief> — 6-phase multi-role deliberation across the C-suite with Phase 2 isolation, critic pre-screen, and synthesis. Outputs a board memo. Use when a decision spans multiple executive domains — e.g. a pricing change touching finance, positioning, and product, or a raise-vs-cut runway call.
FREQUENTLY ASKED QUESTIONS ABOUT Z.ai: GLM 5.3
What are the input and output token prices for Z.ai: GLM 5.3?+
Z.ai: GLM 5.3 costs $1.40 per 1M input tokens and $4.40 per 1M output tokens. Cached input reads cost $0.26 per 1M tokens.
Does Z.ai: GLM 5.3 support tool calling and agent execution?+
Yes, Z.ai: GLM 5.3 natively supports tool calling, parallel function execution, and structured agent workflows.
What is the context window of Z.ai: GLM 5.3?+
Z.ai: GLM 5.3 features an active context window of 1,310,720 tokens with a maximum single-turn output of 943,718 tokens.
What AI Agent Skills work best with Z.ai: GLM 5.3?+
Because Z.ai: GLM 5.3 is optimized for agentic tool calling and code reasoning, it pairs well with Agent Skills like Boardroom, SEO Audit, and UI/UX Pro Max.