These models have been retired by their creators and are no longer supported by Polymeti.
OpenAI
- GPT-5 ChatRetiredThe build that ran ChatGPT. Tuned for conversation, and answers straight away without thinking first.
- GPT-5 CodexRetiredBuilt for programming and long, self-directed coding tasks. Not meant for general chat.
- GPT-5.1 ChatRetiredThe build that ran ChatGPT for GPT-5.1. Tuned for conversation, with a short thinking step.
- GPT-5.1 CodexRetiredBuilt for programming and long, self-directed coding tasks. Not meant for general chat.
- GPT-5.1 Codex MaxRetiredBuilt for programming tasks that run a long time on their own.
- GPT-5.1 Codex MiniRetiredA smaller, cheaper coding model for shorter programming tasks.
- GPT-5.2 ChatRetiredThe build that ran ChatGPT for GPT-5.2. Tuned for conversation; answers straight away.
- GPT-5.2 CodexRetiredBuilt for programming and long, self-directed coding tasks.
- GPT-5.3 ChatRetiredThe build that ran ChatGPT for GPT-5.3. Tuned for conversation; answers straight away.
Anthropic 
DeepSeek