Cracked AI Engineering

GLM-4.6 vs Claude Opus 4.1

GLM-4.6 is more cost-effective, Claude Opus 4.1 supports vision, GLM-4.6 has open weights. Compare full specs, pricing, and choose the best model for your use case.

Quick Overview

GLM-4.6

OpenCode Zen

205K tokens context • $0.60 / $2.20 per 1M tokens

View full specifications →

Claude Opus 4.1

OpenCode Zen

200K tokens context • $15.00 / $75.00 per 1M tokens

View full specifications →

Detailed Comparison

Specification
GLM-4.6
Claude Opus 4.1
Provider
OpenCode Zen
OpenCode Zen
Context Window
205K tokens
200K tokens
Max Output Tokens
131K tokens
32K tokens
Input Pricing (per 1M tokens)
$0.60
$15.00
Output Pricing (per 1M tokens)
$2.20
$75.00
Release Date
Sep 2025
Aug 2025

Capabilities

Capability
GLM-4.6
Claude Opus 4.1
Text Generation
Function Calling
Advanced Reasoning
Vision
File Attachments

Which Model Should You Choose?

Choose GLM-4.6 if:

  • • You need a larger context window
  • • Cost efficiency is a priority
  • • You prefer open weights

Choose Claude Opus 4.1 if: