GPT-5.5 Pro on Thinkr.

• Open

  Open holds the models that no provider serves with ZDR, every video model among them. The provider reads the chat and may keep it for a while.

In ZDR and Open, Thinkr's proxy can read the chat in transit and writes none of it to disk.

• GPT-OSS 120BOpenAI's open-weight reasoning model, quick and light.See the model
• GPT-6.1 SolOpenAI's upgrade to GPT-6 Sol for analysis, documents, and code.See the model
• GPT-6 LunaOpenAI's fast, low-cost GPT-6 model for everyday chat.See the model