rigami.
All comparisons
/// Compare

OpenAI vs Claude — model selection in 2026.

Both are excellent. Pick per workload. We ship multi-model architectures so we never have to pick once.

DimensionOpenAIAnthropic Claude
Best for chat / co-pilotGPT-5 / GPT-4oSonnet 4.5
Best for tool-using agentsStrongStrongest
Long contextStrongBest in class
Voice / RealtimeExcellent (Realtime API)Limited
VisionExcellentExcellent
Image generationGPT Image 1
/// Origami's take

We default to multi-model: OpenAI Realtime for voice, Claude Sonnet 4.5 for agents and long-context, OpenAI for chat surfaces. Route per workload.