Leanstral (v26.03) NEW
Leanstral (v26.03) is an API model from Mistral AI. It’s positioned for tool use and multi-step workflows—work that benefits from iteration, not just one-shot answers.
Core Capabilities
Agent Workflows
Built for tool use and autonomous tasks.
Long Documents
Handles entire codebases, books, and multi-doc RAG.
Context Window
Context window not disclosed.
Availability
API
Available
Product / App
Not available
Open Source
Not released
Enterprise
Contact sales
Pricing Model
Pay per token
Input and output billed separately.
Pay-per-token What it feels like
- Language model from Mistral AI — see the linked sources below for benchmark and review coverage
- Tool-use and agent loops are the typical fit per the published model card
Best use cases
- Agent / tool-use workflows that match the model's published benchmarks
- See the model spec and sources block for benchmarked use cases
Tools to try
Not ideal for
- Tasks far outside the modalities listed in this model's spec
- Workflows where a more recent successor in the same family scores higher