IBM Granite · hosted on Ephemeris
FlowState r1 API
IBM Granite's state-space forecaster that adapts to the sampling rate of the series. The smallest model in the panel.
Explicit mode
"model": "flowstate-r1"API nameflowstate-r1
PublisherIBM Granite
Weightsibm-granite/granite-timeseries-flowstate-r1
Size9M
LicenceApache-2.0
MultivariateNo
CovariatesNo
Context read2,048 most recent points
01
REST
Call FlowState r1 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": "flowstate-r1",
"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 flowstate-r1. The forecast tool takes mode: "explicit", model: "flowstate-r1".
03
Accuracy
How it scores
On GIFT-Eval (97 configurations, official harness), FlowState r1 alone scores CRPS 0.5221 and MASE 0.7506 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