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Model Behavior Architect- Function Calling at Mistral AI - ApplyBlast

Model Behavior Architect- Function Calling

Mistral AI

4 months ago

4.8 on Glassdoor

Remote

Full Time

Senior

1 applicant

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About this role

Model Behavior Architect at Mistral AI responsible for defining and measuring how LLMs use tools, invoke functions, and orchestrate complex agentic workflows.

Responsibilities

Interact with models to identify where function calling and tool use behaviour can be improved
Gather internal and external feedback on tool-calling behaviour to scope areas for improvement
Design and implement evals, data guidelines, data generation, and synthetic tool environments and APIs
Identify and fix edge case behaviours, such as malformed arguments, hallucinated functions, and incorrect tool selection—through rigorous testing
Develop robust evaluation pipelines for the function-calling capabilities of our model candidates

Skills

About Mistral AI

mistral.ai

Headquarters

Paris, Île-De-France, France

Company Size

11-50 employees

Founded

2023

View Profile

Mistral AI builds frontier large language models and an enterprise AI platform that lets companies customize, fine‑tune, and deploy AI assistants, autonomous agents, and multimodal models. Their offering centers on open models, developer APIs, and professional services designed for secure, scalable integration into products and workflows. Mistral combines research-grade model development with tooling for building tailored assistants and autonomous agents for business use cases. They also publish research and consumer-facing apps that showcase their models in action.