All models

Claude Opus vs GPT-4.5

Detailed comparison of capabilities, features, and performance.

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

Learn more about Claude Opus

View detailed specifications and capabilities

View model details →

Learn more about GPT-4.5

View detailed specifications and capabilities

View model details →

More model comparisons

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

Try both models in your workspace

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

Create your workspace