# Leanstral release date

entity: /record/leanstral.md  
predicate: model_release  
page: /record/leanstral/model_release  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says Leanstral was released on March 16, 2026, from a primary source (mistral.ai); it also holds June 30, 2026 (as Leanstral 1.5). The record holds 2 claims on Leanstral's release, 2 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current release date

What the record asserts on 2026-11-04.

- [Leanstral](/record/leanstral.md) | model_release | Leanstral | valid 2026-03-16 to present | conf 0.95 | valid | [clm_4439F9522BEC](/claim/clm_4439F9522BEC.md)
  sources: https://mistral.ai/news/leanstral
- [Leanstral](/record/leanstral.md) | model_release | Leanstral 1.5 | valid 2026-06-30 to present | conf 0.95 | valid | [clm_EDF0DE818A25](/claim/clm_EDF0DE818A25.md)
  sources: https://docs.mistral.ai/getting-started/changelog/

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Leanstral](/record/leanstral.md) | model_release | Leanstral | valid 2026-03-16 to present | conf 0.95 | valid | [clm_4439F9522BEC](/claim/clm_4439F9522BEC.md)
  sources: https://mistral.ai/news/leanstral
- [Leanstral](/record/leanstral.md) | model_release | Leanstral 1.5 | valid 2026-06-30 to present | conf 0.95 | valid | [clm_EDF0DE818A25](/claim/clm_EDF0DE818A25.md)
  sources: https://docs.mistral.ai/getting-started/changelog/

## Questions this record answers

### When was Leanstral released?

On March 16, 2026, from a primary source (mistral.ai) (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/leanstral/model_release (this fact) · /v1/entities/leanstral?predicates=model_release (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "leanstral", predicates: ["model_release"]) for every dated value · fetch(id: "/record/leanstral/model_release.md") for this page
- Entity twin: /record/leanstral.md · timeline: /timelines/leanstral.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.