52 models
Ranked by Design Arena: codecategories
Reasoning Tools JSON Open weights 961.0

Open GPT reasoning model for self-hosted agents and controllable deployments

openai/gpt-oss-120b 2025-08-05 131.072K context $0.03/M input $0.17/M output
62 providers
Tools JSON 859.0

Omni-era GPT for multimodal chat, practical coding, and general assistants

openai/gpt-4o 2024-05-13 128K context $2.5/M input $10/M output
26 providers