All models

GPT-4.5 vs Claude Opus

Detailed comparison of capabilities, features, and performance.

Feature
GPT-4.5
Claude Opus
Model Image
GPT-4.5
Claude Opus
AI Lab
OpenAI
Anthropic
Context Size
128,000 tokens
204,800 tokens
Max Output Size
2,000 tokens
4,096 tokens
Frontier Model
No
No
Vision Support
Yes
Yes
Description
OpenAI's latest model with enhanced capabilities across text, vision and audio
Anthropic's most powerful Claude 3 model

Learn more about GPT-4.5

View detailed specifications and capabilities

View model details →

Learn more about Claude Opus

View detailed specifications and capabilities

View model details →

More model comparisons

GPT-4o GPT-4o
VS
Claude Opus Claude Opus
GPT-4o Mini GPT-4o Mini
VS
Claude Opus Claude Opus
o1-mini o1-mini
VS
Claude Opus Claude Opus
GPT-4.5 GPT-4.5
VS
Claude 3.5 Sonnet Claude 3.5 Sonnet

Try both models in your workspace

Access both GPT-4.5 and Claude Opus in a single workspace without managing multiple API keys.

Create your workspace