Free
Free
Sign-in includes 100,000 free input tokens (~500 typical playground requests) with no card required.
- Access
- Sign-in includes 100,000 free input tokens (~500 typical playground requests) with no card required.
Jev
● Identity checkedCode · Vendor site 2026-10-04
Jev is TypeSafe’s structured decision model for text and JSON “system one” responses, exposed via playground, batch jobs, and a /v1/systemone API. Accounts receive free input tokens on sign-in, with one-time token packs when usage grows.
- Category
- Code
- Free access
- Sign-in includes 100,000 free input tokens (~500 typical playground requests) with no card required.
- API access
- Jev documents an open API at /v1/systemone with token balances shared by playground and API keys.
Is Jev right for you?
A good fit for
Engineers building routers, guardrails, evaluations, and agent workflows needing deterministic structured decisions.
Before you choose
Pricing sells non-expiring input-token packs; output tokens are free but there is no monthly subscription plan.
Typed decision API
Jev markets fast structured decisions for text and JSON with a playground, batch mode, and HTTP API. Billing is pay-as-you-go via token packs rather than recurring seats, starting with a substantive free input allowance.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Token packs | Starter pack is $9.90 for 15,000,000 input tokens with larger packs up the page. | Facts sourced | 2026-10-04 |
| Free tier | New accounts receive 100,000 free input tokens after email sign-in. | Facts sourced | 2026-10-04 |
| Use cases | Site catalogs routing, RAG evaluation, tool-call guardrails, and LLM-as-judge patterns. | Facts sourced | 2026-10-04 |
Understand the total cost
Jev pricing & plans
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Frequently asked questions
What is Jev used for?
Jev is TypeSafe’s structured decision model for text and JSON “system one” responses, exposed via playground, batch jobs, and a /v1/systemone API. Accounts receive free input tokens on sign-in, with one-time token packs when usage grows.
Does Jev have a free plan?
Sign-in includes 100,000 free input tokens (~500 typical playground requests) with no card required.. This record lists ongoing free access; check the plan limits before starting.
How much does Jev cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Jev through an API?
Jev documents an open API at /v1/systemone with token balances shared by playground and API keys.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Pricing sells non-expiring input-token packs; output tokens are free but there is no monthly subscription plan.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.