GPT-5 mini vs Claude 4.5 Opus (High)
Detailed comparison of capabilities, features, and performance.
Feature
GPT-5 mini
Claude 4.5 Opus (High)
Model Image
AI Lab
OpenAI
Anthropic
Context Size
272,000 tokens
200,000 tokens
Max Output Size
128,000 tokens
64,000 tokens
Frontier Model
No
Yes
Vision Support
Yes
Yes
Description
A faster, more cost-efficient version of GPT-5 for well-defined tasks and precise prompts.
The latest Opus 4.5 model from Anthropic with high reasoning
Learn more about GPT-5 mini
View detailed specifications and capabilities
View model details →Learn more about Claude 4.5 Opus (High)
View detailed specifications and capabilities
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