PeopleofSuperintelligence

Researcher

Andy Ehrenberg

Andy Ehrenberg is an AI Research Scientist at Mistral whose work spans language-model reasoning and speech systems. He was an MSc student at UCL's DARK Lab in 2021 and researched large-scale AI inference at AssemblyAI in 2023. At Mistral, he coauthored Magistral, the company's first reasoning model, and the multimodal audio models Voxtral Mini and Voxtral Small in 2025. In 2026, he coauthored Voxtral Realtime for streaming speech recognition and Voxtral TTS for multilingual speech generation.

Works
7
Citations
9
h-index
2
Badges

Publication numbers from OpenAlex, as of 18 October 2026.

Timeline

  1. 2021

    An MSc student at UCL

    In 2021, he is an MSc student at UCL's DARK Lab, a reinforcement-learning research group at UCL's Centre for Artificial Intelligence.

  2. 2023

    Researcher at AssemblyAI

    In 2023, he is a researcher at AssemblyAI and coauthors an analysis of Cloud TPU v5e price-performance for large-scale AI inference.

  3. 2025

    Coauthoring Magistral

    In 2025, he coauthors Magistral, Mistral's first reasoning model, developed with a scalable reinforcement-learning pipeline for language models.

  4. 2025

    Coauthoring Voxtral

    In 2025, he coauthors Voxtral Mini and Voxtral Small, multimodal audio chat models trained to understand spoken audio and text documents.

  5. 2026

    Coauthoring Voxtral Realtime

    In 2026, he coauthors Voxtral Realtime, a streaming speech-recognition model that matches offline transcription quality at sub-second latency.

  6. Since November 2024

    AI research scientist at Mistral

    He is an AI Research Scientist at Mistral. In 2026, he coauthors Voxtral TTS, an expressive multilingual text-to-speech model that generates natural speech from as little as 3 seconds of reference audio.

Career

  1. Since 2024Mistral AIAI Research Scientist
  2. From 2023AssemblyAIResearcher

Education

  1. From 2021Centre for Artificial Intelligence, University College LondonMSc

From the biography.

Most-cited works

  1. Ministral 32026 · 4 citationsWith Abhinav Rastogi, Alexander H. Liu, Alexandre Sablayrolles, Amélie Héliou, Andy Lo and Baptiste Bout
  2. Magistral2025 · 3 citationsWith Alexander H. Liu, Alexandre Sablayrolles, Amélie Héliou, Baptiste Bout, Diego de las Casas and Teven Le Scao
  3. Voxtral2025 · 0 citationsWith Alexander H. Liu, Alexandre Sablayrolles, Amélie Héliou, Baptiste Bout, Diego de las Casas and Teven Le Scao
  4. Voxtral Realtime2026 · 0 citationsWith Abhinav Rastogi, Alexander H. Liu, Alexandre Sablayrolles, Amélie Héliou, Andy Lo and Anmol Agarwal
  5. Voxtral TTS2026 · 0 citationsWith Abhinav Rastogi, Alexander H. Liu, Alexandre Sablayrolles, Amélie Héliou, Andy Lo and Anmol Agarwal

From OpenAlex, as of 18 October 2026.

  1. The median h-index is 54 at universities and 20 at frontier AI labsIncludes Andy Ehrenberg. The median h-index is 54 at universities and 20 at frontier AI labs. We compare publishing careers, citations and moves to estimate how universities and frontier labs contribute to AI research.
  2. Google alumni founded or led 82 other organizations, the most among the labs we compareIncludes Mistral AI. We trace 189 organizations founded or led by AI lab alumni, and 196 career moves between the labs.
  3. The company share of AI researchers’ top papers rose from 3% to 32%Includes Mistral AI. We estimate where leading AI researchers worked when their most-cited papers appeared. The company share rose from 3% in 1975–1979 to 32% in 2020–2024.
  4. Google has the highest combined h-index among AI organizationsIncludes Mistral AI. Our estimates of combined and median h-index at AI organizations, using current affiliations and OpenAlex records.

Colleagues

People with dated positions at the same organization in the same years.

Sources and credits

Photo: We have no published photo of Andy Ehrenberg yet. Send us a free-licensed photo.

  1. UCL DARK Lab ucldark.com. Checked 18 October 2026.
  2. AssemblyAI on Cloud TPU v5e price performance | Google Cloud Blog cloud.google.com. Checked 18 October 2026.
  3. Magistral arxiv.org. Checked 18 October 2026.
  4. Voxtral arxiv.org. Checked 18 October 2026.
  5. Voxtral Realtime arxiv.org. Checked 18 October 2026.
  6. 10 Mistral AI research scientists instant.expert. Checked 18 October 2026.
  7. Voxtral TTS arxiv.org. Checked 18 October 2026.