OpenAI models

GPT-OSS open weights to run yourself, GPT-5.x served online.

Run on your device

GPT-OSS (OpenAI)

OpenAI · Aug 2025

OpenAI's open-weight model. Strong reasoning, agentic tasks, and function calling.

from 11.6 GBruns from 16 GB RAM128K contextApache 2.0

Online - optional, pay per use

GPT-5.3 Codex391K context

$2.27 in · $18 out /M

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GPT-5.6 (Web)1.0M context

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GPT-5.6 Sol1.0M context · reads images

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GPT-5.6 Terra1.0M context · reads images

$2.60 in · $16 out /M

All offline models · All online models