GLM 5.1
GLM 5.1, Z.AI's groundbreaking 754B open-weight agentic model, revolutionizes engineering with state-of-the-art performance on SWE-Bench Pro and unmatched 8-hour autonomous execution for complex, long-horizon tasks. Harness its Mixture of Experts architecture, superior coding prowess, and features like function calling to build intelligent agents that plan, iterate, and deliver without drift.
Available for Chat, Vision, and File Uploads.
Performance Benchmarks
How do you want to interact?
Start a Conversation
Ask anything.
Have a natural conversation, brainstorm ideas, draft emails, or ask for advice.
Use a Persona
Specialized Experts.
Instruct the AI to act as a Coding Tutor, Marketing Expert, or Travel Guide.
Why use GLM 5.1?
Long-Horizon Autonomous Execution
Autonomously handles complex tasks for up to 8 hours, completing planning, execution, and iterative optimization loops
State-of-the-Art Coding Performance
Achieves top benchmarks like 58.4 on SWE-Bench Pro, rivaling Claude Opus 4.6 in agentic coding and engineering
Interleaved Thinking & Tool Use
Supports reasoning between tool calls, preserved context, and structured function calling for precise, continuous decision-making
Capability Examples
Agentic Coding
Long-Horizon Optimization
How to use
Go to Chat
Navigate to the "AI Chat" page.
Select Model
Ensure GLM 5.1 is selected.
Type Prompt
Ask a question or paste code.
Interact
Refine the answer by replying to the AI.
Compare LLMs Side-by-Side
Is GLM 5.1 better than Claude 3.5 or Gemini? Test same prompts simultaneously in the Chat Playground.
Open Chat PlaygroundMade with ❤ by AI4Chat