GPT Oss 120b vs Claude 4.5 Sonnet
Claude 4.5 Sonnet offers 200K tokens context vs 128K tokens, GPT Oss 120b is more cost-effective, Claude 4.5 Sonnet includes advanced reasoning. Compare full specs, pricing, and choose the best model for your use case.
Quick Overview
Claude 4.5 Sonnet
Cortecs
200K tokens context • $3.26 / $16.30 per 1M tokens
View full specifications →Detailed Comparison
Specification
GPT Oss 120b
Claude 4.5 Sonnet
Provider
Cortecs
Cortecs
Context Window
128K tokens
200K tokens
Max Output Tokens
128K tokens
200K tokens
Input Pricing (per 1M tokens)
Free
$3.26
Output Pricing (per 1M tokens)
Free
$16.30
Release Date
Aug 2025
Sep 2025
Capabilities
Capability
GPT Oss 120b
Claude 4.5 Sonnet
Text Generation
Function Calling
Vision
Advanced Reasoning
File Attachments
Which Model Should You Choose?
Choose GPT Oss 120b if:
- • Cost efficiency is a priority
- • You prefer open weights
Choose Claude 4.5 Sonnet if:
- • You need a larger context window
- • You need advanced reasoning