xAI announced API availability for this model on 2026-09-21.
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NEXT SHUTDOWN
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Oct 5, 2026
Published deadlineNext 3 model shutdowns
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NovitaAI · LLM
UPCOMING SHUTDOWNS322 noticeswith an exact published date
DEPRECATED, NO DATE19 noticesremoval date not published
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xAI announced this model on 2026-09-17.
xAI announced this model on 2026-04-23.
Early signals & rumors 11
Reports of what might be next, with the original source attached.
Space-bunny-alpha a reasoning model from an anonymous provider
- Rumored modelGemini 4 ProGoogle2 reports
Leaked Gemini 4 Pro Benchmarks Signal Google's Return to the Top of AI
- Community reportOpenAI
Tech OpenAI abandons plan to release upcoming model as safety concerns escalate
Multiple providers offer free mystery model, Union Alpha
Stealth Multimodal AI Model Matches Frontier Performance at a Fraction of Cost
Ask HN: What model is new stealth Union Alpha model?
Showing 6 of 7 topics · 11 reports
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