GPT-Realtime-2.1
An updated OpenAI voice model that listens and replies more smoothly, offered to developers in a full and a smaller version.
This came out before trckr began following OpenAI API, so it was added on Nov 8 without an alert. Its release date comes from models.dev.
Key facts
- Released
- Jul 6, 2026
- What it does
- Text and chat: Writes, answers questions and holds a conversation.Thinks first: Can reason step by step before it answers: slower, but better at maths, code and tricky questions.Sees images: Understands pictures, screenshots and charts you share with it.Listens: Understands speech and other sounds.Makes sound: Creates speech, music or other audio.
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- Knowledge cutoff
- September 2024 · the latest events it learned about
Can I use it?
In an app
No app mentioned so far.
For developers
Developers can use it now through an API: How developers plug a model into their own apps and pay per use. A model that's "in the API" can be used by programmers, even if it isn't in a chat app yet..
Download
Not downloadable: it runs on the maker's own servers.
Price and limits
What developers pay to use it through the API: How developers plug a model into their own apps and pay per use. A model that's "in the API" can be used by programmers, even if it isn't in a chat app yet., per million Tokens: The small chunks of text a model reads and writes, about three-quarters of a word each. Prices and limits are counted in tokens. sent (input) or written back (output), and how much it can take in at once.
- Input
- $4.00
- per million tokensCached: $0.40
- Output
- $24.00
- per million tokens
- Context window: How much a model can keep in mind at once: your question, any files you share and its own replies. Measured in tokens; 1,000 tokens is about 750 words.
- 128K tokens
- about 96,000 words
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- Longest answer
- 32K tokens (about 24,000 words)
From the lab's own listing on models.dev, checked .
Compare GPT-Realtime-2.1 with
It came out 60 days after GPT-Realtime-2, the lab's previous model.
The details
An updated GPT-Realtime model from OpenAI with better recognition of letters and numbers and improved handling of silence, noise and interruptions, plus a mini version.
Model ID: The exact name developers type to use a model, like gpt-5-mini. New IDs often show up in a lab's systems before the official announcement, which is how trckr spots many releases early.
gpt-realtime-2.1gpt-realtime-2.1-miniTimeline
/OpenAI APIOfficialFirst signal
gpt-realtime-2.1
/OpenAI APIOfficial
gpt-realtime-2.1-mini
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