The White House has restricted GPT-5.6 to government-approved partners, applying the same Fable 5 pattern previously used on OpenAI models. OpenAI accepted the limits as temporary. Public access is expected within weeks. GPT-4.5 retires from ChatGPT today.
The move was first reported on Grok AI News.
How the Restriction Works
OpenAI must route GPT-5.6 exclusively through vetted government partners. The same approach previously limited another model series to approved entities before wider rollout. OpenAI confirmed the arrangement is not intended as a permanent state.
Timeline and Next Steps
Public availability remains scheduled for the coming weeks. GPT-4.5 removal from ChatGPT takes effect immediately. Users currently on GPT-4.5 will see automatic transition to remaining available models.
Alternatives and Comparisons
Developers seeking immediate access can turn to publicly released models from other providers. These options carry no government-partner gatekeeping.
| Model | Current Access | Release Status | Notes |
|---|---|---|---|
| GPT-5.6 | Government partners only | Delayed weeks | Temporary restriction |
| Claude 3.5 Sonnet | Public API | Available now | No partner limits |
| Gemini 1.5 Pro | Public API | Available now | No partner limits |
| Llama 3.1 405B | Self-host or API | Available now | Fully open weights |
Who Should Use This
Enterprise teams with existing government contracts can evaluate GPT-5.6 through approved channels now. Independent developers and general users should continue with Claude 3.5 Sonnet or Gemini 1.5 Pro until the public window opens. Organizations needing immediate production deployment have no reason to wait.
Impact on Existing ChatGPT Users
The retirement of GPT-4.5 removes one option from the ChatGPT interface today. Remaining models stay accessible without interruption. No migration steps are required beyond the automatic switch.
Verdict
The temporary partner-only window follows an established pattern and does not alter long-term public availability. Teams that need the model immediately should pursue approved channels; everyone else can safely wait a few weeks and use current public alternatives in the meantime.
The restriction adds another data point on how U.S. policy can shape model release schedules without changing the underlying technology.

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