GPT-4o vs Claude 4.6 Sonnet

Detailed comparison of capabilities, features, and performance.

GPT-4o

GPT-4o

OpenAI
VS
Claude 4.6 Sonnet

Claude 4.6 Sonnet

Anthropic
Feature GPT-4o Claude 4.6 Sonnet
AI Lab OpenAI Anthropic
Context Size 128,000 tokens 1,000,000 tokens
Max Output Size 4,096 tokens 16,000 tokens
Frontier Model Yes Yes
Vision Support Yes Yes
Description The Omni model from OpenAI that reasons across audio vision and text The latest Sonnet 4.6 model from Anthropic

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