Leanstral 1.5 is Mistral AI's language model with a 262K context window and up to 131K output tokens, starting at $N/A / 1M input and $N/A / 1M output. An updated version of Mistral's Leanstral sub-brand, offering improved performance in a lightweight, resource-efficient LLM.
Specifications
Canonical IDmistral-leanstral-1-5
TypeLanguage
StatusActive
CreatorMistral AIMistral AI
Providers
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·

Pricing by Provider

US Dollar ($)
Per 1M tokens
ProviderStandard
Input
$ / 1M
Output
$ / 1M
Mistral AI logo
Mistral AI
labs-leanstral-1-5
$N/A$N/A

Cost Calculator

US Dollar ($)
Preset:

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Leanstral 1.5262K$0.000$0.000Current
Leanstral256KAvailable

Model IDs

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