Claude Sonnet 4.6 vs GPT-4o
Near-equivalent on most tasks. Sonnet edges in JSON adherence; GPT-4o edges in native audio.
Claude Sonnet 4.6
The workhorse. Faster than Opus, smarter than Haiku, the model most production deployments end up on.
Use this when
High-volume production, JSON schemas, structured tool use.
Full profile →GPT-4o
The omni model. Text, image, audio natively in one system. Speed doubled vs. GPT-4.
Use this when
Native voice mode, real-time audio, multimodal workloads.
Full profile →Cost comparison
Comparable: Sonnet $3/$15 per M, GPT-4o $2.50/$10 per M.