Builder

François Chollet

François Chollet is the creator of Keras and a co-founder of Ndea and ARC Prize. His early software work included Wysp and QuickAnswers before the first Keras release in March 2015. Keras offered components for building neural networks, with accessibility as a stated goal. Chollet also published the Xception architecture and wrote Deep Learning with Python. In 2019, his Measure of Intelligence paper introduced ARC and asked how to evaluate a system’s ability to learn new skills. He and Mike Knoop later launched ARC Prize for open research on those tasks. Chollet left Google in November 2024 and continued contributing to Keras. At Ndea, he and Knoop pursue a combination of deep learning and program synthesis.

Now at
Ndea and ARC Prize
Photo of François Chollet

Timeline

  1. 2011–2015

    Early software

    Chollet works on Wysp and QuickAnswers before Keras.

  2. 2015–2017

    Keras, research, and teaching

    He releases Keras, publishes Xception, and writes Deep Learning with Python.

  3. 2019

    ARC

    The Measure of Intelligence introduces ARC and a proposed view of skill acquisition.

  4. 2024

    ARC Prize

    Chollet and Mike Knoop launch a research competition for open solutions.

  5. November 2024

    Continuing Keras outside Google

    Chollet leaves Google and states that Keras contributions will continue.

  6. Current work

    Ndea and ARC Prize

    Chollet and Knoop develop Ndea; Chollet is an ARC Prize co-founder and board member.

Sources and credits

Photo: Ramosset, via Wikimedia Commons. License: CC BY-SA 4.0. Source: commons.wikimedia.org. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Chollet: personal project and book history fchollet.com. Checked 10 October 2026.
  2. Chollet: Introducing Keras 1.0, 11 April 2016 blog.keras.io. Checked 10 October 2026.
  3. Chollet: Xception, 2016–2017 arxiv.org. Checked 10 October 2026.
  4. Chollet: On the Measure of Intelligence, 2019 arxiv.org. Checked 10 October 2026.
  5. Knoop: ARC Prize launch, 11 June 2024 arcprize.org. Checked 10 October 2026.
  6. Google: Chollet farewell, 13 November 2024 developers.googleblog.com. Checked 10 October 2026.
  7. Ndea: founders ndea.com. Checked 10 October 2026.
  8. Ndea: research approach ndea.com. Checked 10 October 2026.
  9. ARC Prize Foundation: current team arcprize.org. Checked 10 October 2026.