ephemerisToto 2 (313M) API

Datadog · hosted on Ephemeris

Toto 2 (313M) API

Datadog's forecaster trained heavily on observability metrics. The strongest single member on short horizons in our calibration, and the route-mode choice for multivariate series.

Explicit mode"model": "toto2-313m"
API nametoto2-313m
PublisherDatadog
WeightsDatadog/Toto-2.0-313m
Size313M
LicenceApache-2.0
MultivariateYes
CovariatesNo
Context read4,096 most recent points
01

REST

Call Toto 2 (313M) directly

cURLUTF-8
curl --request POST \
  --url https://ephemeris.cascade.industries/api/v1/forecast \
  --header "Authorization: Bearer pc_live_your_key" \
  --header "Content-Type: application/json" \
  --data '{
    "mode": "explicit",
    "model": "toto2-313m",
    "series": [{ "values": [112, 118, 132, 129, 121, 135, 148, 148], "freq": "M" }],
    "horizon": 12,
    "quantiles": [0.1, 0.5, 0.9]
  }'
02

Agents

From Claude, Cursor or any MCP client

Add the Ephemeris MCP server, then ask your agent to forecast with toto2-313m. The forecast tool takes mode: "explicit", model: "toto2-313m".

03

Accuracy

How it scores

On GIFT-Eval (97 configurations, official harness), Toto 2 (313M) alone scores CRPS 0.4842 and MASE 0.7038 as a ratio to seasonal naive (lower is better). The Ephemeris ensemble, which includes it, scores 0.4662 and 0.6841. Full benchmark results.

No GPU to run

Forecast with Toto 2 (313M) in one request.