GPT-5.2 chat vs Claude 3.7 Sonnet

Detailed comparison of capabilities, features, and performance.

GPT-5.2 chat

GPT-5.2 chat

OpenAI
VS
Claude 3.7 Sonnet

Claude 3.7 Sonnet

Anthropic
Feature GPT-5.2 chat Claude 3.7 Sonnet
AI Lab OpenAI Anthropic
Context Size 400,000 tokens 128,000 tokens
Max Output Size 128,000 tokens 64,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description OpenAI's ChatGPT variation using the latest GPT-5.2 model. The latest Sonnet 3.7 model from Anthropic

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