Leanstral 1.5.1 is Mistral AI's language model with a 262K context window and up to 131K output tokens. A lightweight, efficiency-focused large language model designed for low-resource deployment scenarios.
Specifications
Canonical IDmistral-leanstral-1-5-1
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Context Window262K tokens
Max Output131K tokens
Input ModalitiesText
Output ModalitiesText

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities2/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Leanstral 1.5.1262KCurrent
Leanstral 1.5262K$0.000$0.000Available
Leanstral256KAvailable

Model IDs

mistral-leanstral-1-5-1
mistral/labs-leanstral-1-5-1