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Favicon for z-ai

Z.ai: GLM 5

z-ai/glm-5

Model weights
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GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading closed-source models. With advanced agentic planning, deep backend reasoning, and iterative self-correction, GLM-5 moves beyond code generation to full-system construction and autonomous execution.

Modalities

In / Out Price

40% off

$0.60 / $1.92per 1M

Context

205K

Released

Feb 11, 2026

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ProvidersPricingPerformanceUptimeBenchmarksAppsActivityFAQExplore

Providers

Different companies host the same model. OpenRouter routes your request to one of them based on the routing mode you pick — Balanced (price + speed), Nitro (fastest), Floor (cheapest), or Exacto (highest tool-calling accuracy).

Pricing

The average price customers actually pay for this model, next to the prices providers post. Caching and discounts mean the price actually paid is often well below the listed one.

Performance

Throughput is how fast the model writes (tokens per second — higher is better). Latency is total round-trip time (lower is better). TTFT is time-to-first-token — how long before you see anything appear (lower is better).

Uptime

Uptime is the percentage of the past 3 days that at least one provider was responding to requests. Availability is the percentage of time that inference was successfully served. OpenRouter continuously monitors and uses the next-best provider when one returns an error.

Benchmarks

Scores on standardized evaluations. Higher percentages are better — and rank percentile shows where this model lands among all models on OpenRouter.

Benchmark score summary for Z.ai: GLM 5 (Artificial Analysis and Design Arena)
SourceBenchmarkScore
Artificial AnalysisGLM-5 (Non-reasoning) GPQA Diamond66.6%
Artificial AnalysisGLM-5 (Non-reasoning) HLE7.6%
Artificial AnalysisGLM-5 (Non-reasoning) IFBench55.2%
Artificial AnalysisGLM-5 (Non-reasoning) τ²-Bench Telecom97.4%
Artificial AnalysisGLM-5 (Non-reasoning) AA-LCR43.7%
Artificial AnalysisGLM-5 (Non-reasoning) CritPt0.0%
Artificial AnalysisGLM-5 (Non-reasoning) Terminal-Bench Hard39.4%
Artificial AnalysisGLM-5 (Non-reasoning) AA-Omniscience Accuracy23.1%
Artificial AnalysisGLM-5 (Non-reasoning) AA-Omniscience Non-Hallucination Rate54.7%
Artificial AnalysisGLM-5 (Reasoning) GPQA Diamond82.0%
Artificial AnalysisGLM-5 (Reasoning) HLE29.3%
Artificial AnalysisGLM-5 (Reasoning) IFBench72.3%
Artificial AnalysisGLM-5 (Reasoning) τ²-Bench Telecom98.2%
Artificial AnalysisGLM-5 (Reasoning) AA-LCR75.7%
Artificial AnalysisGLM-5 (Reasoning) CritPt2.0%
Artificial AnalysisGLM-5 (Reasoning) Terminal-Bench Hard43.2%
Artificial AnalysisGLM-5 (Reasoning) AA-Omniscience Accuracy26.3%
Artificial AnalysisGLM-5 (Reasoning) AA-Omniscience Non-Hallucination Rate64.7%
Design ArenaGLM 5 Agents Arena Androidnative Elo1159
Design ArenaGLM 5 Agents Arena Full Stack Elo1132
Design ArenaGLM 5 Agents Arena Godotgamedev Elo1144
Design ArenaGLM 5 Agents Arena Htmlslides Elo1150
Design ArenaGLM 5 Agents Arena Mobile Apps Elo1165
Design ArenaGLM 5 Models Arena 3D Elo1257
Design ArenaGLM 5 Models Arena Asciiart Elo1166
Design ArenaGLM 5 Models Arena Code Categories Elo1262
Design ArenaGLM 5 Models Arena Data Visualization Elo1243
Design ArenaGLM 5 Models Arena Game Development Elo1258
Design ArenaGLM 5 Models Arena SVG Elo1192
Design ArenaGLM 5 Models Arena UI Component Elo1246
Design ArenaGLM 5 Models Arena Website Elo1260

Apps

Public apps that send the most traffic to this model. Good signal for what real production workloads look like — and a hint at which use cases this model is best suited for.

Activity

Token volume and request traffic to this model over time.

Quick Start

Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

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Frequently asked questions

GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading closed-source models.

GLM 5 costs $0.60/M input tokens and $1.92/M output tokens, with separate rates for Cache Read at $0.12/M tokens.

GLM 5 has a 204,800 token context window. It supports up to 128,000 completion tokens.

Yes. GLM 5 accepts tools and tool_choice for function calling. It also supports structured outputs via a JSON schema in response_format.

GLM 5 is served by 8 providers on OpenRouter: StreamLake, GMICloud, Baidu Qianfan, SiliconFlow, Amazon Bedrock, Venice, NovitaAI, and Z.ai. Requests are routed to the best available provider, with automatic failover to the others, and you can pin or exclude providers with provider routing.

GLM 5 was released on February 11, 2026.