Models
Jev
Model id: typesafe/jev-latest
- System One
TypeSafe’s Jev. It reads a state and typed questions and returns typed answers, not chat.
Best for
structured decisions: yes/no, choice, and score.
- Provider
- TypeSafe
- Context window
- 64,000
- Release date
- 2026-09-14
Pricing
Input
$0.0648 / 1M
Output
$0.00 / 1M
Amounts in Canadian dollars, converted at the Bank of Canada indicative rate (2026-09-21).
Performance
Reading
Last 7 days
Not enough data to display the chart.
- Time to first byte (p95)
- Not published
- Output speed (p95)
- 394.4 tok/s
- Samples
- 7 over 7 days
Measured on real traffic at Pass egress — not a synthetic benchmark.
Activity
Tokens
—
—
—
—
—
Top 5 tools · last 7 days
Tool activity appears only when at least 2 workspaces have used this model recently.
Availability
Availability (%)
Last 7 days
- Operational probes
- 99.77% over 7 days
- Samples
- 5,586
Quick start
Ask typed System One questions with a tonia_ key and the exact model id below.
curl
curl https://pass.tonia.ca:8443/v1/systemone \
-H "Authorization: Bearer $TONIA_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "typesafe/jev-latest",
"state": "The sky is blue.",
"questions": {
"color": {
"type": "noul",
"instructions": "Is the sky blue?"
}
}
}'Python (tonia SDK)
import os
from tonia import Tonia
client = Tonia(api_key=os.environ["TONIA_API_KEY"])
response = client.request(
"POST",
"/v1/systemone",
{
"model": "typesafe/jev-latest",
"state": "The sky is blue.",
"questions": {"color": {"type": "noul", "instructions": "Is the sky blue?"}},
},
)TypeScript (tonia SDK)
import { Tonia } from "@tonia-router/sdk";
const client = new Tonia({
apiKey: process.env.TONIA_API_KEY,
});
const response = await client.request("POST", "/v1/systemone", {
model: "typesafe/jev-latest",
state: "The sky is blue.",
questions: { color: { type: "noul", instructions: "Is the sky blue?" } },
});