AI Model Release Tracker

****************Microsoft MAI series + Harrier OSS embeddings****************

****************Microsoft MAI series + Harrier OSS embeddings****************

Key Questions

What are Microsoft's MAI series models?

The MAI series includes MAI-Transcribe-1 for speech recognition, MAI-Voice-1 for fast TTS, and MAI-Image-2 for image generation. These are proprietary multimodal and speech flagships launched to rival competitors. They integrate with enterprise Foundry for self-sufficiency.

How does MAI-Transcribe-1 perform on benchmarks?

MAI-Transcribe-1 achieves a 3.8% Word Error Rate (WER) on FLEURS, outperforming Whisper and Gemini across all 25 languages. It sets an industry-leading standard for speech-to-text. This is part of Microsoft's push beyond OpenAI.

What is MAI-Voice-1?

MAI-Voice-1 is a fast text-to-speech (TTS) model from Microsoft. It supports enterprise applications via Foundry integrations. It complements the MAI series' multimodal capabilities.

What ranking does MAI-Image-2 hold?

MAI-Image-2 ranks #3 on the Arena leaderboard for image generation. It is designed for enterprise developers. This positions it strongly among competitors.

How are MAI models integrated for enterprise use?

MAI models ramp up self-sufficiency through Foundry integrations for enterprise developers. They expand Microsoft's in-house AI beyond OpenAI dependencies. Releases target speech, voice, and image tasks for broad applicability.

MAI-Transcribe-1 (3.8% WER FLEURS>Whisper), MAI-Voice-1 TTS, MAI-Image-2 #3 Arena; Harrier embeddings 27B MTEB-v2 74.3% multilingual SOTA (+2%), compact variants; Foundry/HF integrations.

Sources (7)
Updated Apr 8, 2026
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