Z.ai: GLM 4.5
Analysis Summary
Z.ai: GLM 4.5 sits in the Specialist tier on our leaderboard, ranked #108 of 525 published models on overall intelligence. At $0.600 input and $2.20 output per 1M tokens, it is among the most expensive on the market. It offers a standard large context window and supports tool use, function calling, and reasoning.
Editorial notes
Z.ai's GLM 4.5 delivers competitive coding and agentic scores for its tier, with strong math performance and solid tool use support; however, limited Western availability is a practical consideration for UK businesses evaluating it for production use.
Assessed April 23, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
GLM-4.5 is our latest flagship foundation model, purpose-built for agent-based applications. It leverages a Mixture-of-Experts (MoE) architecture and supports a context length of up to 128k tokens. GLM-4.5 delivers significantly..
Capabilities
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does Z.ai: GLM 4.5 stack up?
Compare side-by-side with other specialist models.
Model Information
| OpenRouter ID |
z-ai/glm-4.5
|
| Provider | z-ai |
| Release Date | July 25, 2025 |
| Context Length | 131,072 tokens |
| Max Completion | 98,304 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.60 | $0.000600 |
| Output | $2.20 | $0.002200 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
