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GPT-5.4 Nano with zero data retention.

The smallest, lowest-cost GPT-5.4. On Thinkr, it runs with zero data retention (ZDR), so the provider keeps nothing.

Try GPT-5.4 NanoEvery OpenAI model

›open/gpt-5.4-nano

Maker
OpenAI
Feature
Chat
ZDR
$0.25 in / $1.5625 out per 1M tokens
Context
400K tokens

Who can read it.

  • ZDR

    Claude, GPT, Gemini, and other models answer with zero data retention (ZDR). The provider reads the chat to answer it and promises by contract to keep nothing.

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

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