letta — Library

Specification

License: Source:PyPI public package metadataT2observed 6 d agomedium
Repository: github.com/letta-ai/letta-code
Source:PyPI public package metadataT2observed 4 h agomedium
Documentation: docs.letta.com/letta-code
Source:PyPI public package metadataT2observed 4 h agomedium
Kind: Source:PyPI public package metadataT2observed 4 h agomedium
Latest release: Source:PyPI public package metadataT2observed 4 h agomedium
Latest version: Source:PyPI public package metadataT2observed 4 h agomedium
License key: Source:PyPI public package metadataT2observed 4 h agomedium
License raw: Apache License
Releases: Source:PyPI public package metadataT2observed 4 h agomedium
PyPI: Source:PyPI public package metadataT2observed 6 d agomedium
Pypi license: Source:PyPI public package metadataT2observed 4 h agomedium
Pypi release at: Source:PyPI public package metadataT2observed 4 h agomedium
Pypi url: Source:PyPI public package metadataT2observed 6 d agomedium
Pypi version: Source:PyPI public package metadataT2observed 4 h agomedium
Requires python: Source:PyPI public package metadataT2observed 4 h agomedium

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

15

Source tiers

T215

Freshest observation

4 h ago

Conflicts

None

Uses license: Apache License 2.0

As of

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

Claim history · Releases

2 claims · 1 propertiesShow all properties

Releasesmetric.releases2

Claim history for Releases
Value	Valid from → to	Status	Source	Confidence	Extractor
138	18 Sept 2026 02:46 UTC → current	current	PyPI public package metadataT2	medium	deterministic
137	11 Sept 2026 22:45 UTC → 18 Sept 2026 02:46 UTC	superseded	PyPI public package metadataT2	medium	deterministic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 →

18 Sept 2026
Property changedLibraryletta
letta: requires python changed from <3.14,>=3.11 to >=3.9
Requires python<3.14,>=3.11→>=3.9pypi
pypi.org
18 Sept 2026
Property changedLibraryletta
letta: pypi license changed from Apache License to Apache-2.0
Pypi licenseApache License→Apache-2.0pypi
pypi.org
18 Sept 2026
Property changedLibraryletta
letta: latest release at changed from 2026-05-14T17:14:47+00:00 to 2026-09-17T23:16:39+00:00
Latest release14 May 2026→17 Sept 2026pypi
pypi.org
18 Sept 2026
Version releasedLibraryletta
letta: latest version changed from 0.16.8 to 0.32.13
Latest version0.16.8→0.32.13pypi
pypi.org
18 Sept 2026
Property changedLibraryletta
letta: pypi release at changed from 2026-05-14T17:14:47+00:00 to 2026-09-17T23:16:39+00:00
Pypi release at14 May 2026→17 Sept 2026pypi
pypi.org
18 Sept 2026
Property changedLibraryletta
letta: pypi version changed from 0.16.8 to 0.32.13
Pypi version0.16.8→0.32.13pypi
pypi.org

Full timeline →

Source documents
Source	Document	Type	Tier	Last observed	Snapshots
PyPI public package metadata	pypi.org/pypi/letta/json	package	T2· Quality secondary	4 h ago	2

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