Claude 4 Opus vs GPT-5 thinking
Detailed comparison of capabilities, features, and performance.
Feature
Claude 4 Opus
GPT-5 thinking
Model Image
AI Lab
Anthropic
OpenAI
Context Size
200,000 tokens
272,000 tokens
Max Output Size
64,000 tokens
128,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
The latest Opus 4 model from Anthropic
OpenAI's flagship model configured for longer thinking.
Learn more about Claude 4 Opus
View detailed specifications and capabilities
View model details →Learn more about GPT-5 thinking
View detailed specifications and capabilities
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