Microsoft
US · founded 1975 · www.microsoft.com
Builds Phi small language models and hosts frontier models via Azure OpenAI.
Releases (18)
| Model | Released | Type | Arch | Params (B) | Open | Status |
|---|---|---|---|---|---|---|
| MAI-Voice-1 | Oct 7, 2025 | Audio gen | Unknown | Not disclosed | Open weights | Active |
| MAI Image 1 | Sep 24, 2025 | Text LLM | Unknown | Not disclosed | Closed | Active |
| MAI-1 Preview | Aug 13, 2025 | Text LLM | Dense | Not disclosed | Closed | Preview |
| Megatron-TM 52B | Aug 13, 2025 | Text LLM | MoE | 52 | Open weights | Preview |
| Phi-4-reasoning-plus | May 1, 2025 | Text LLM | Dense | 14 | Open weights | Active |
| Phi-4-multimodal | Feb 26, 2025 | Multimodal | Dense | 5.6 | Open weights | Active |
| Phi-4-mini | Feb 26, 2025 | Text LLM | Dense | 3.8 | Open weights | Active |
| Phi-4-mini-instruct | Feb 26, 2025 | Text LLM | Dense | 3.8 | Open weights | Active |
| Phi-4 | Dec 12, 2024 | Text LLM | Dense | 14 | Open weights | Active |
| Phi-3.5-MoE | Aug 20, 2024 | Text LLM | MoE | 42 | Open weights | Active |
| Phi-3.5-mini | Aug 20, 2024 | Text LLM | Dense | 3.8 | Open weights | Active |
| Phi-3-medium | May 21, 2024 | Text LLM | Dense | 14 | Open weights | Active |
| Phi-3-mini | Apr 23, 2024 | Text LLM | Dense | 3.8 | Open weights | Active |
| Phi-3-small | Apr 23, 2024 | Text LLM | Dense | 7 | Open weights | Active |
| Phi-2 | Dec 11, 2023 | Text LLM | Dense | 2.7 | Open weights | Active |
| Orca 2 13B | Nov 20, 2023 | Text LLM | Dense | 13 | Open weights | Active |
| Phi-1.5 | Sep 11, 2023 | Text LLM | Dense | 1.3 | Open weights | Active |
| Phi-1 | Jun 1, 2023 | Text LLM | Dense | 1.3 | Open weights | Active |