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
5 releases across 4 providers
Confirmed releases
| Release | Provider | Confirmed | Evidence | BenchLM |
|---|---|---|---|---|
| September 2025· 5 releases | ||||
| GLM-4.6 |  | Exact day | Z.AI | Benchmarks |
| Claude Sonnet 4.52 model variants |  | Exact day | Anthropic | Benchmarks |
| Qwen3-Max |  | Exact day | Alibaba (Qwen) | Benchmarks |
| Qwen3-Omni2 model variants | | Exact day | Alibaba (Qwen) | Benchmarks |
| Grok 4 Fast family |  | Exact day | xAI | Benchmarks |