Z.ai
GLM-5.3-FlashX
Total Context
1M
Max Output
131.1K
Released
N/A
glm-5GLM-5 is Z.ai’s new-generation foundation model for agentic engineering, complex systems engineering, and long-range agent tasks. Official docs describe it as an open foundation model aimed at production-grade programming, planning, backend reasoning, and iterative self-correction. Its page description should highlight complex engineering workflows rather than only “Chinese LLM” positioning.
Context Window
204.8K tokens
Maximum Output
131.1K tokens
Release Date
Feb 11, 2026
Modalities
| Input Price | Output Price | Cache Read |
|---|---|---|
| $0.5714/M | $2.5714/M | $0.1143/M |
Reasoning
Tool calling
Temperature parameter
Attachments
Knowledge Base
Endpoint Protocols
GLM-5 is an open-weight text model focused on complex systems engineering, long-range agent planning and deep software debugging.
Understands multi-component software systems and supports frontend development, backend engineering and coordinated architectural changes.
Plans and carries out extended sequences of engineering actions with limited human intervention.
Investigates failures across code paths, proposes root causes and iterates on repairs using execution feedback.
GLM-5 suits backend refactoring, complex defect investigation and autonomous implementation workflows spanning multiple engineering stages.
Map dependencies in an existing backend, plan architectural changes and revise connected modules while retaining expected behavior.
Trace failures across components, inspect relevant code and test hypotheses to produce a targeted repair.
Carry a software task from planning through implementation and verification, using intermediate results to adjust subsequent actions.
import OpenAI from "openai"
const client = new OpenAI({
apiKey: process.env.TOKENHUB_API_KEY,
baseURL: "https://us-api.tokenhub.com/v1",
})
const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 39.5 |
| Artificial Analysis Coding Index | Artificial Analysis software task aggregate | 44.2 |
| Knowledge & Reasoning | ||
| GPQA | Advanced science problem solving | 82% |
| HLE | Broad expert-level exam set | 27.2% |
| Coding & Engineering | ||
| SciCode | Scientific coding challenges | 46.2% |
| Terminal-Bench Hard | Hard terminal task execution | 43.2% |
| Instruction Following & Agent Tasks | ||
| IFBench | Prompt constraint adherence | 72.3% |
| AA-LCR | Long-context reasoning | 63.3% |
| τ²-Bench | Agent workflow tasks | 98.2% |
Metrics sourced from Artificial Analysis
GLM-5: capabilities, use cases, limits, and TokenHub guidance.
GLM-5 is a Z.AI model for complex system engineering and long-range agent tasks.
Best for complex coding, agent workflows and repository-scale development, especially when software-engineering quality is the priority.
Key strength: a strong focus on complex system engineering and long-range agents.
It is text-focused and does not offer the same multimodal breadth as newer models. For long-horizon task completion, consider GLM-5.2.
Use the exact ID shown by TokenHub; follow your account docs and verify current features.
Use one API key to access GLM-5 and more AI models through TokenHub.
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