Claude Sonnet 4.5 vs Qwen3 Coder
Claude Sonnet 4.5 offers 1.0M tokens context vs 262K tokens, Qwen3 Coder is more cost-effective, Claude Sonnet 4.5 includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude Sonnet 4.5
OpenCode Zen
1.0M tokens context • $3.00 / $15.00 per 1M tokens
View full specifications →Detailed Comparison
Specification
Claude Sonnet 4.5
Qwen3 Coder
Provider
OpenCode Zen
OpenCode Zen
Context Window
1.0M tokens
262K tokens
Max Output Tokens
64K tokens
66K tokens
Input Pricing (per 1M tokens)
$3.00
$0.45
Output Pricing (per 1M tokens)
$15.00
$1.80
Release Date
Sep 2025
Jul 2025
Capabilities
Capability
Claude Sonnet 4.5
Qwen3 Coder
Text Generation
Vision
Function Calling
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose Claude Sonnet 4.5 if:
- • You need a larger context window
- • You need advanced reasoning
Choose Qwen3 Coder if:
- • Cost efficiency is a priority
- • You prefer open weights