System One Models by TypeSafe AI
1 model2026From $0.042/1M input
Last refreshed 2026-09-16. Next refresh: weekly.
Details
ResearcherTypeSafe AI
LicenseProprietary
Commercial useCommercial use: conditional
Models1
Released2026
Capabilities
Structured OutputsAll models
Links
WebsiteAbout
System One is TypeSafe AI's model family for machine-native automation: parallel structured outputs and calibrated probabilistic decisions instead of autoregressive string generation. Jev is the first System One model, released September 15, 2026 in early access.
Decision facts
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
1 in view
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Jev | Use when the workload needs structured outputs and agents. | 2026-09 | structured outputsagents | Current |
Release Timeline
1 release group2026-09
1 current
Jev
Currentstructured outputsagents
Specifications(1 models)
| Model | Released | Structured Outputs |
|---|---|---|
| Jev | 2026-09 | Yes |
Available From(1 provider)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Jev | TypeSafe AI | $0.042 | — | Serverless |