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Mistral· Research· Paris

Model Behavior Architect

Classified Tasks (7)

Automate 0%Augment 57%Human-Only 43%

Augment (4)

AI assists, human decides

Define and measure LLM behaviour.

analytical

Design and conduct model evaluations.

technical

Create evaluation pipelines for complicated tasks.

technical

Translate evaluation insights into model improvements.

technical

Human-Only (3)

Requires human judgment

Write policies governing model behaviour.

communication

Collaborate with the Science team to define success criteria for Reasoning, Audio, Alignment, Tools, and Frontier initiatives.

leadership

Investigate and address cutting-edge, open-ended research challenges related to model behaviour.

creative

Job description

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise as well as personal needs. Our offerings include Le Chat, La Plateforme, Mistral Code and Mistral Compute - a suite that brings frontier intelligence to end-users. We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited. Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on https://mistral.ai/careers. Mistral AI participates in the E-Verify program By applying, you agree to our Applicant Privacy Policy . About the role As a Model Behavior Architect, you are at the forefront of defining and measuring LLM behaviour. We are looking for people who have built a career in engineering, machine learning, and large language models and are experts in model evaluation, policy writing, and creating eval pipelines for complicated tasks. Your role is to work hand-in-hand with our Science team to define what ‘good’ looks like for Reasoning, Audio, Alignment, Tools, and all Frontier bets. Join us if you are passionate about tackling cutting-edge, open-ended research challenges and transforming your insights into best-in-class models.
Source: Mistral careers · scraped 2026-05-22
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