SiteList review score
Jevstation makes typed-decision workflows concrete with accessible paths and useful documentation.
Reviewed on Oct 13, 2026
Jevstation
jevstation.com
Unclaimed listingWhat it does
JevStation is a web workspace for running Jev and other decision models: users submit a state, ask typed Choice, Score, or Noul questions, and receive structured answers with probability distributions and confidence values. It provides a playground, API access, saved evaluations, credit metering, batch tools, and MCP access.
Two ratings
Verified user rating
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No verified reviews yet — the evidence locker is empty.
Screenshots
Captured during our latest review on Oct 13, 2026
Pricing details
One-time credit packs: $9.90 for 5,000 credits or $15.90 for 12,000 credits; standard evaluations use 1 credit and larger evaluations use 3 credits. TypeSafe Jev is also listed at $0.042 per million input tokens with output free. Billed one time. free plan · 50 free credits at sign-up; the page also states three no-sign-up runs per day.
| Plan | Price | Details |
|---|---|---|
| 5,000 credits | $9.9 one time per credits | One-time pack for trying Jev on real work. 1 credit per standard evaluation · 3 credits per large evaluation · Credits valid for 24 months · Failed evaluations refunded automatically View source |
| 12,000 credits | $15.9 one time per credits | One-time pack for weekly Jev usage. 1 credit per standard evaluation · 3 credits per large evaluation · Credits valid for 24 months · Failed evaluations refunded automatically View source |
Key features
Typed answers
evaluation
Choice, Score, and Noul answers arrive as typed values that code can branch on.
Probability distributions
evaluation
A full probability distribution is returned behind every answer.
Calibrated confidence
evaluation
Choice and Score answers include a calibrated confidence value.
Saved evaluation threads
workspace
Evaluations are stored against an account with an auto-derived title.
Reusable state
workspace
Standing instructions or reference material can be pinned to a thread.
HTTP API
developer tools
The service exposes POST /api/v1/systemone with API-key authentication.
Credit metering
billing
Evaluations use credits and provider errors trigger automatic refunds.
MCP server
developer tools
The same evaluations are available as MCP tools over Streamable HTTP.
Who it’s for
Support ticket triage
Evaluate support tickets with typed questions such as team, urgency, and churn risk.
Review analysis
Evaluate customer reviews for sentiment, implied rating, topic, and refund requests.
Prompt injection detection
Use a ready-made tool to detect prompt injection attempts.
Model routing
Use Jev for model-routing decisions.
Content moderation
Use Jev for moderation decisions.
Spreadsheet classification
Upload tabular data and receive typed answers for each row.
Integrations
Cloudflare Clef
AI models
A decision model available alongside Jev through the service.
Perplexity Decider
AI models
A decision model available alongside Jev through the service.
OpenAI Luna Decisions
AI models
A decision model available alongside Jev through the service.
MCP
developer tools
Evaluations are available as MCP tools over Streamable HTTP and use the API key.
Buyer questions
Questions buyers actually ask
What are Choice, Score and Noul questions?
Choice selects one option from a defined list. Score rates a state against an ordered rubric. Noul returns the probability that a statement is true, from 0 to 1.
How many questions can one evaluation ask?
Up to 12 questions. Each question is evaluated in parallel against the same state.
How much does one evaluation cost?
A standard evaluation costs 1 credit for state up to 8,000 characters and up to 5 questions. A larger evaluation costs 3 credits, up to 24,000 characters and 12 questions. New accounts receive 50 free credits.
Is there a subscription?
No. Credit packs are one-time purchases: $9.90 for 5,000 credits or $15.90 for 12,000 credits.
Product FAQ information · View source
The expert review
Jevstation scores 78/100 for a clear developer-tool proposition, strong accessibility, usability and technical SEO, supported by a 40-page crawl. Its most material weaknesses are writing and editorial QA, with design execution also needing focused refinement.
78/100: strong product, clear trade-offs
Verified user reviews
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Reviews are from the SiteList community. Some reviewers received incentives — disclosed in the review, always. The verdict is never for sale.
Scores across 13 dimensions
Brand & experience
Performance
Content & editorial
Trust & decision surfaces
Search & discoverability
Docs & measurement
- Domain
- jevstation.com
- Category
- LLM observability & evaluation
- Pricing
- Usage-based · $9.9–$15.9
- Platforms
- web, api
- Founded
- 2026
- Last checked
- Oct 13, 2026
- Public dimensions
- 13
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