leanstral

Name: leanstral
Author: Mistral AI

apache-2.0

Our first open-source code agent designed for Lean 4, built for formal proof engineering in realistic repositories. 119B parameters with 6.5B active.

Context

256K

Capabilities

Show unsupported (5)

Reasoning & Interaction

Tool Calling

Infrastructure

Streaming

Fine-tuning

Creatormistral

Family—

Licenseapache-2.0

Statusactive

Type—

Input modalitiestext, image

Output modalitiestext

Open weightYes

Parameters—

Architecture—

Context window256K tokens

Max input—

Max output—

Reasoning tokens—

Knowledge cutoff—

Release date—

Sourceofficial

Function Callingfunction_calling

Call external functions and APIs

GET/v1/models/mistral/leanstral