Specification

Version: 26.03
Source:Mistral AI docsT1observed 1 h agohigh
Status: retired
Source:Mistral AI docsT1observed 1 h agohigh
API model id: labs-leanstral-2603
Source:Mistral AI docsT1observed 1 h agohigh
Deprecation date: 22 May 2026
Source:Mistral AI docsT1observed 1 h agohigh
Retirement date: 30 Jun 2026
Source:Mistral AI docsT1observed 1 h agohigh
Official page: docs.mistral.ai/models/leanstral-26-03
Source:Mistral AI docsT1observed 1 h agohigh

Each value shows its source, tier and observation time. Conflicting claims are kept side by side and flagged — never averaged. How AI Atlas records facts →

Provenance

Attributed facts

6

Source tiers

T16

Freshest observation

1 h ago

Conflicts

None

Modalities

Modalities unavailable.

Capabilities

Tool calling
Unavailable
Structured output
Unavailable
Reasoning
Unavailable
Vision
Unavailable
Audio
Unavailable
Fine-tuning available
Unavailable

No capability flags have been observed from a source yet — we do not infer them.

No structured attributes yet.

No benchmark results recorded

Results appear when a tier 1–3 source publishes them; we never copy scores without a source.

Current prices

No current prices recorded

Prices appear when a provider publishes a public pricing page we crawl.

Price history

No hardware estimate available

Estimates need a parameter count; this model has none recorded from a source.

No lineage recorded

Lineage comes from explicit `derived_from`, `fine_tuned_from`, `distilled_from` and `quantized_from` relations stated by sources.

Papers 0

No papers linked yet.

Repositories 0

No repositories linked yet.

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Deprecation date

1 claims · 1 propertiesShow all properties

Deprecation datedeprecation_date1

Claim history for Deprecation date
Value	Valid from → to	Status	Source	Confidence	Extractor
22 May 2026	11 Sept 2026 20:56 UTC → current	current	Mistral AI docsT1	high	deterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →

11 Sept 2026
New modelModelLeanstralMistral AI
New model: Leanstral (Mistral AI)
mistral
docs.mistral.ai

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
Mistral AI docs	docs.mistral.ai/models	model_docs	T1· Official	54 min ago	1

Tier 1 = official/primary, 2 = quality secondary, 3 = community, 4 = unverified. Every snapshot is archived; see all sources and the methodology.