Project AURIONAI Use-Cases Research & Innovation
Datadog
time seriesfamily

Toto 2.0

Datadog time-series foundation model family, Apache-2.0 for all five base checkpoints.

Figure from the Toto 2.0 paper: Forecasts on a synthetic multi-scale signal (superimposed periods of 500, 100, and 20 timesteps) at three forecast horizons (2,048, 4,096, and 8,192 steps).
Levelfamily
Classtime series
Parametersnot in the notes
Contextnot in the notes
Released5 Jun 2026
Opennessopen weights permissive
Runs onCPU server, embedded GPU, single datacentre GPU
Statusactive

Benchmark Results

vendor-reportedindependent
GIFT-Evaltime series
Toto 2.0 2.5Bpretrained; rank is average CRPS rankindependentno test-data leakage
0.476
00.51

Score in CRPS (geo-mean, normalised to Seasonal Naive). Lower is better.

rank 50 of 143, Leaderboard rebuilt from the published raw results, 143 entries covering all 97 configurations9 Oct 2026 huggingface.co
Toto 2.0 2.5Bpretrainedindependentno test-data leakage
0.696
00.71.4

Score in MASE (geo-mean, normalised to Seasonal Naive). Lower is better.

Leaderboard rebuilt from the published raw results, 143 entries covering all 97 configurations9 Oct 2026 huggingface.co
Toto 2.0 2.5Bzero-shot foundation-model CRPS rank, lower is bettervendor-reported
20.3
Toto 2.0 report (Datadog)Jun 2026 arxiv.org
Toto 2.0 1Bzero-shot foundation-model CRPS rank, lower is bettervendor-reported
21.1
Toto 2.0 report (Datadog)Jun 2026 arxiv.org
Toto 2.0 313Mzero-shot foundation-model CRPS rank, lower is bettervendor-reported
21.4
02040

Score in mean CRPS rank. Lower is better.

Toto 2.0 report (Datadog)Jun 2026 arxiv.org
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).

Lineage

successor
Toto 1.0 to Toto 2.0: successor, high confidenceToto 1.0Toto 1.0DatadogToto 2.0Toto 2.0Datadog, Jun 2026
DatadogToto 1.0 is the parent (successor)high confidencenotes
DatadogToto 2.0 1B belongs to this familytime series5 Jun 20261B
DatadogToto 2.0 2.5B belongs to this familytime series5 Jun 20262.5B
DatadogToto 2.0 22M belongs to this familytime series5 Jun 202622M
DatadogToto 2.0 313M belongs to this familytime series5 Jun 2026313M
DatadogToto 2.0 4M belongs to this familytime series5 Jun 20264M
Where this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.

R&D Topics

Identity

Developer
Datadog
Family
not in the notes
Released
5 Jun 2026 sourcesannouncement page
Weights published
–
Record checked
10 Oct 2026
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.

Architecture and Size

Architecture
dense transformer Decoder transformer (unverified detail)
Total parameters
– sources
Active parameters
–
Checkpoint parameters
–
Note
4M, 22M, 313M, 1B, 2.5B
Context length
not in the notes
Input
time series
Output
time series
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).

Openness and Access

Openness
open weights permissive
Licence
Apache License 2.0 sources
Access routes
open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.

Deployment

Runs on
CPU server, embedded GPU, single datacentre GPU
Footprint
4M/22M CPU/edge; 2.5B single GPU (judgement)
Runtimes
not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.

Indonesia

Indonesian support
not stated
Regional languages
not in the notes
Jakarta hosting
unknown
Languages
not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.

Industry Use Cases

No industry use case links this model.

Sources

  1. arxiv.org/pdf/2605.20119 https://arxiv.org/pdf/2605.20119
  2. GIFT Eval - a Hugging Face Space by Salesforce huggingface.co https://huggingface.co/spaces/Salesforce/GIFT-Eval

To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Toto 2.0", https://aurion.semai.id/models/datadog-toto-2-0/, records of October 2026.