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AMAZON · FIELD-VERIFIED

chronos-bolt-base

Checked against the listed Hugging Face source repository on 2026-10-03. Unknown values are left explicit rather than inferred.

Source repository ↗Compare this model →History & diff →Field-verified 2026-10-03Machine-readable JSON ↗
Developeramazon
Parameters0.205293B
Context2,048 tokens
Weight files1
LicenseApache-2.0
Accesspublic
Evidence statusSource-first verified
Repository revision checked2026-10-03
Full field verification2026-10-02
Source policy →Methodology →

01 · WEIGHTS

Exact repository artifacts

Statusverified-available
Accesspublic
Repositoryamazon/chronos-bolt-base
Recognized weight files1
Show all 1 exact weight files
HF API file listing ↗

02 · LICENSE

License & commercial use

Declared licenseApache-2.0
License IDapache-2.0
Commercial useCommercial use allowed under Apache-2.0 conditions
Repository license filesNone observed

Classification describes the checked license terms; it is not legal advice.

License / model-card evidence ↗

03 · HARDWARE

Weight-memory estimate

BF16 / FP16~0.4 GB
FP8 / INT8~0.2 GB
INT4~0.1 GB

Weight-only decimal-GB estimate from total parameter count; excludes KV cache, activations, runtime overhead, optimizer state and sharding.

04 · FORMATS

Formats & precision evidence

Safetensors
BF16: not observedFP16: not observedFP8: not observedINT8: not observedINT4: not observedGGUF: not observed

“Not observed” means no matching repository artifact/name/dtype signal was found; it does not prove no third-party conversion exists.

05 · LINEAGE

Base model & family

Familychronos-bolt
Variantchronos-bolt-base
Declared base modelNot declared in model-card metadata
RelationNot declared

06 · TRAINING ASSETS

Recipe & data disclosure

Training recipenot-disclosed-in-checked-repository
Data disclosurenot-disclosed-in-standard-metadata-or-obvious-model-card-section
EvaluationsNot classified by automated verifier
Intermediate checkpointsNot classified by automated verifier

07 · RUNTIME SUPPORT

Declared and mentioned runtimes

Declared librarychronos-forecasting
Declared/taggedchronos-forecasting
Mentioned in model cardNone observed
Artifact signalsNone
Tested by Open Model WeightsNo — source-derived support only

Open Model Weights does not claim runtime compatibility unless it is declared, tagged, mentioned by the publisher, or evidenced by an artifact. No inference benchmark is implied.

08 · SOURCES

Field evidence

Primary / declared sources4
Repository revision5d9f166d69f4
Source policyHow evidence is classified →
model_repositoryhttps://huggingface.co/amazon/chronos-bolt-base
model_apihttps://huggingface.co/api/models/amazon/chronos-bolt-base
model_cardhttps://huggingface.co/amazon/chronos-bolt-base/blob/main/README.md
confighttps://huggingface.co/amazon/chronos-bolt-base/blob/main/config.json

09 · VERIFICATION HISTORY

Checked, not assumed

Repository revision check

Official Hugging Face repository SHA unchanged; prior field evidence retained.

Repository revision check

Official Hugging Face repository SHA unchanged; prior field evidence retained.

Field-by-field verification

Checked Hugging Face API metadata, exact repository file list, model card and config when accessible.

Registry record created

Previous verification level: discovered-pending.

licenseverified
commercial useclassified
contextverified
weight filesverified
formatsverified
base modelnot-declared
training recipenot-disclosed-in-checked-repository
data disclosurenot-disclosed-in-standard-metadata-or-obvious-model-card-section
runtime supportsource-derived-not-runtime-tested