Confirmed model releases
AI model releases in April 2025
The confirmed release record for April 2025, grouped by provider and linked to the primary source used for each date.
April 2025
3 releases across 1 providers
Confirmed releases
| Release | Provider | Confirmed | Evidence | BenchLM |
|---|---|---|---|---|
| April 2025· 3 releases | ||||
| o3 |  | Exact day | OpenAI | Benchmarks |
| o4-mini | | Exact day | OpenAI | |
| GPT-4.1 family3 model variants | | Exact day | OpenAI | Benchmarks |