GPT-5 Codex vs Claude 3.7 Sonnet (thinking)
Detailed comparison of capabilities, features, and performance.
Feature
GPT-5 Codex
Claude 3.7 Sonnet (thinking)
Model Image
AI Lab
OpenAI
Anthropic
Context Size
400,000 tokens
204,800 tokens
Max Output Size
128,000 tokens
64,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
OpenAI's specialist coding model.
The latest Sonnet 3.7 model from Anthropic
Learn more about GPT-5 Codex
View detailed specifications and capabilities
View model details →Learn more about Claude 3.7 Sonnet (thinking)
View detailed specifications and capabilities
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