Jev
- Family
- System One
- Released
- 2026-09-15
- Context
- 64K
- Specialization
- general
- Openness
- Proprietary
- License
- ProprietaryCommercial use: conditional
- Weights
- Not released
- Code
- Unknown
- Training
- Reinforcement Learning
Cheapest of 1 route · TypeSafe AI
About
Jev is TypeSafe AI's first public System One Model (released 2026-09-15; generally available to everyone with no waitlist as of 2026-09-20 via https://console.typesafe.ai/). First-party docs (https://docs.typesafe.ai/models): current versioned API id jev-1.13.0; aliases jev-latest (SDK default) and jev-preview. Trained with Reinforcement Learning for Calibrated Decisions (RLCD); parallel sampling; structured type-safe outputs with calibrated probabilities and confidence — no free-form string generation; schema matching guaranteed. Docs pricing: input $0.042/MTok ($42 per billion tokens); output tokens free. Context length 64k tokens per request (32k for state plus the longest question). Text input only. Endpoint POST https://api.typesafe.ai/v1/systemone. Proprietary hosted model — no public weights.
Providers(1)
Compare API pricing across 1 tracked provider route for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Route |
|---|---|---|---|
| TypeSafe AI | $0.042 | Free | Serverless |
Capabilities
Benchmark peer barsfor Agents
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
API versions
jevjev-1.13.0jev-latestjev-previewCheapest of 1 route · TypeSafe AI