Claude Opus 4.1 vs GLM 4.5V
GLM 4.5V has open weights. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Detailed Comparison
Specification
Claude Opus 4.1
GLM 4.5V
Provider
GitHub Copilot
Z.AI Coding Plan
Context Window
80K tokens
64K tokens
Max Output Tokens
16K tokens
16K tokens
Input Pricing (per 1M tokens)
N/A
Free
Output Pricing (per 1M tokens)
N/A
Free
Release Date
Aug 2025
Aug 2025
Capabilities
Capability
Claude Opus 4.1
GLM 4.5V
Text Generation
Vision
Advanced Reasoning
File Attachments
Video Understanding
Function Calling
Which Model Should You Choose?
Choose Claude Opus 4.1 if:
- • You need a larger context window
Choose GLM 4.5V if:
- • You prefer open weights