leanstral-1-5@eu
Unknown · 1 configuration
Intelligence—
Input / 1M—
Output / 1M—
Context262.1K
Tariff: Requesty · Source: models-dev · USD per million tokens
Thinking configuration
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Leanstral 1.5 is an updated Lean 4 formal proof engineering model from Mistral AI, optimized for automated theorem proving and autoformalization. It has 119B total parameters with 6.5B active and supports a 256K token context window. It supports native function calling and structured output.
This model is in the catalog but has no imported benchmarks. Capabilities are not estimated.
Specifications from the catalog
Inputtext
Outputtext
Tool callingYes
Structured outputYes
SpeedNot available
First tokenNot available
Maximum output32.8K
Catalog listing date2026-05-27