---
format: "aidr-story-markdown/v1"
id: "44230c302b3b4dac04996c9d531bf652e69b289ecf9ea4d2dce71c0682aae607"
canonical_url: "https://aidr.today/44230c30?lang=en"
title: "OpenAI Opens Astra Partner Access for Sept 3 Launch, Ending Internal Dogfood Stage"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-08-29T18:36:19.000Z"
category: "Releases"
topics: ["openai","gpt","llm","inference"]
source_urls: ["https://x.com/synthwavedd/status/2093730399495324062","https://x.com/testingcatalog/status/2093716456160579879","https://x.com/iruletheworldmo/status/2093713643388981251","https://x.com/kimmonismus/status/2093731470493798711","https://x.com/Lentils80/status/2093617080327127456","https://x.com/koltregaskes/status/2093622012359106697","https://x.com/mark_k/status/2093626577187684601"]
summary: "The Astra model has shifted from internal testing to a select group of partners under the codename \"ultima-alpha.\" OpenAI plans to expand the early access program next week if feedback remains positive, targeting a wider launch from September 3 through the end of the following week. Leaked outputs from a checkpoint called \"mozaik-alpha-fdm\" have circulated on Discord, which some observers describe as a step-forward improvement. OpenAI targets a simultaneous launch for an update to GPT-Image 2 alongside Astra, which follows a projected release of Fable 5.1."
---

# OpenAI Opens Astra Partner Access for Sept 3 Launch, Ending Internal Dogfood Stage

> [Open the canonical story](<https://aidr.today/44230c30?lang=en>)

**Published:** 2026-08-29T18:36:19.000Z
**Category:** Releases
**Topics:** openai, gpt, llm, inference

## Summary

The Astra model has shifted from internal testing to a select group of partners under the codename "ultima\-alpha\." OpenAI plans to expand the early access program next week if feedback remains positive, targeting a wider launch from September 3 through the end of the following week\. Leaked outputs from a checkpoint called "mozaik\-alpha\-fdm" have circulated on Discord, which some observers describe as a step\-forward improvement\. OpenAI targets a simultaneous launch for an update to GPT\-Image 2 alongside Astra, which follows a projected release of Fable 5\.1\.

## Sources

- [Story source](<https://x.com/synthwavedd/status/2093730399495324062>)
- [Supporting source](<https://x.com/testingcatalog/status/2093716456160579879>)
- [Supporting source](<https://x.com/iruletheworldmo/status/2093713643388981251>)
- [Supporting source](<https://x.com/kimmonismus/status/2093731470493798711>)
- [Story source](<https://x.com/Lentils80/status/2093617080327127456>)
- [Supporting source](<https://x.com/koltregaskes/status/2093622012359106697>)
- [Supporting source](<https://x.com/mark_k/status/2093626577187684601>)