Confirmed model releases
AI model releases in September 2025
The confirmed release record for September 2025, grouped by provider and linked to the primary source used for each date.
September 2025
1 releases across 1 providers
Confirmed releases
| Release | Provider | Confirmed | Evidence | BenchLM |
|---|---|---|---|---|
| September 2025· 1 release | ||||
| Claude Sonnet 4.5 |  | Month precision | Anthropic | Benchmarks |