Claude Opus 4 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
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
May 2025
Aug 2025
Capabilities
Capability
Claude Opus 4
GLM 4.5V
Text Generation
Vision
Advanced Reasoning
File Attachments
Video Understanding
Function Calling
Which Model Should You Choose?
Choose Claude Opus 4 if:
- • You need a larger context window
Choose GLM 4.5V if:
- • You prefer open weights