Model releaseModerate global significanceConfirmed confidence
01.AI releases Yi-Lightning
01.AI releases a high-performance closed mixture-of-experts model with strong public benchmark results.
What happened
Event details
Yi-Lightning is a high-performance closed model from 01.AI that uses a mixture-of-experts architecture. 01.AI released it on October 1, 2024; the parameter count is recorded as unknown for the MoE model, and the entry cites the official Yi code repository as its primary source.
Assessment
Why it matters
A published model record with a documented capability or availability change.
58/100Global significance score. Regional effects are recorded only when the evidence supports a meaningful difference.
Availability
Access notes
Available through 01.AI's model access channels.