Updated daily at 05:00 UTC
Company
Microsoft
Software and cloud company; Microsoft Research ships the open-weight Phi models and Microsoft AI (MAI) builds proprietary MAI models.
- Country
- United States
- Founded
- 1975
- Headquarters
- Redmond, Washington
- Type
- Big tech
- Open weights
- Mixed
- Website
- https://www.microsoft.com
BitNet
Language
- BitNet b1.58 2B4T15 Apr 2025CurrentOpen weights
Fara
Vision-language
- Fara-7B—LegacyOpen weights
- Fara1.5-27B17 Jul 2026CurrentOpen weights
- Fara1.5-4B17 Jul 2026CurrentOpen weights
- Fara1.5-9B12 May 2026CurrentOpen weights
Harrier
Embedding
- Harrier OSS v1 0.6B30 Mar 2026CurrentOpen weights
- Harrier OSS v1 270M30 Mar 2026CurrentOpen weights
- Harrier OSS v1 27B30 Mar 2026CurrentOpen weights
MAI
Language
- MAI-Cyber-1-Flash13 Aug 2026Current
- MAI-Thinking-12 Jun 2026Current
- MAI-1-preview28 Aug 2025Legacy
- MAI-DS-R116 Apr 2025LegacyOpen weights
MAI-Code
Code
- MAI-Code-1.1-Flash11 Aug 2026Current
- MAI-Code-1-Flash2 Jun 2026Legacy
MAI-Image
Image generation
- MAI-Image-2.610 Aug 2026Current
- MAI-Image-2.5-Pro23 Jul 2026Legacy
- MAI-Image-2.5 (and 2.5-Flash)2 Jun 2026Legacy
- MAI-Image-2-Efficient14 Apr 2026Legacy
- MAI-Image-219 Mar 2026Legacy
- MAI-Image-113 Oct 2025Legacy
MAI-Transcribe
Speech-to-text
- MAI-Transcribe-23 Sep 2026Current
- MAI-Transcribe-1.52 Jun 2026Legacy
- MAI-Transcribe-12 Apr 2026Legacy
MAI-Voice
Text-to-speech
- MAI-Voice-2-Flash23 Jul 2026Current
- MAI-Voice-22 Jun 2026Current
- MAI-Voice-128 Aug 2025Legacy
Orca
Language
- Orca 2 13B20 Nov 2023LegacyOpen weights
- Orca 2 7B20 Nov 2023LegacyOpen weights
Phi
Language
- Phi-mini-MoE23 Jun 2025CurrentOpen weights
- Phi-tiny-MoE23 Jun 2025CurrentOpen weights
- Phi-4-mini26 Feb 2025CurrentOpen weights
- Phi-412 Dec 2024CurrentOpen weights
- Phi-3.5-MoE20 Aug 2024LegacyOpen weights
- Phi-3.5-mini20 Aug 2024LegacyOpen weights
- Phi-3-medium21 May 2024LegacyOpen weights
- Phi-3-small21 May 2024LegacyOpen weights
- Phi-3-mini23 Apr 2024LegacyOpen weights
- Phi-212 Dec 2023LegacyOpen weights
- Phi-1.511 Sep 2023LegacyOpen weights
- Phi-110 Sep 2023LegacyOpen weights
Phi Reasoning
Reasoning-only
- Phi-4-mini-flash-reasoning9 Jul 2025CurrentOpen weights
- Phi-4-mini-reasoning30 Apr 2025CurrentOpen weights
- Phi-4-reasoning30 Apr 2025CurrentOpen weights
- Phi-4-reasoning-plus30 Apr 2025CurrentOpen weights
Phi Vision / Multimodal
Vision-language
- Phi-4-reasoning-vision-15BJan 2026CurrentOpen weights
- Phi-4-multimodal26 Feb 2025CurrentOpen weights
- Phi-3.5-vision20 Aug 2024LegacyOpen weights
- Phi-3-vision21 May 2024LegacyOpen weights
VibeVoice
Text-to-speech
- VibeVoice-Realtime 0.5B4 Dec 2025CurrentOpen weights
- VibeVoice 1.5B25 Aug 2025CurrentOpen weights
VibeVoice ASR
Speech-to-text
- VibeVoice-ASR-Streaming (1.5B / 7B)2 Sep 2026CurrentOpen weights
- VibeVoice-ASR21 Jan 2026CurrentOpen weights
WizardLM
Language
- WizardLM-2 8x22B15 Apr 2024RetiredOpen weights
Agents
- AutopilotBeta