GPT-5.2 chat vs Claude 4.6 Opus Max

Detailed comparison of capabilities, features, and performance.

Feature
GPT-5.2 chat
Claude 4.6 Opus Max
Model Image
GPT-5.2 chat
Claude 4.6 Opus Max
AI Lab
OpenAI
Anthropic
Context Size
400,000 tokens
1,000,000 tokens
Max Output Size
128,000 tokens
125,000 tokens
Frontier Model
Yes
Yes
Vision Support
Yes
Yes
Description
OpenAI's ChatGPT variation using the latest GPT-5.2 model.
The latest Opus 4.6 model from Anthropic with effort set to max for highest reasoning and creativity, ideal for complex agentic tasks

Try both models in your workspace

Access both GPT-5.2 chat and Claude 4.6 Opus Max in a single workspace without managing multiple API keys.

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