Free: 5 successful runs per UTC day after email verification. Starter: $9.90/month for 30M tokens/month. Builder: $19.90/month for 80M tokens/month. Pro: $39.90/month for 200M tokens/month. Scale: $79.90/month for 500M tokens/month. Tokens refresh monthly and do not roll over. One-time token packs a
Not given
Key features
Choice decision type: select from supplied options
Score decision type: assign level on defined scale
Noul decision type: yes/no judgment against criterion
Decision flows: chain questions on canvas with branching
Batch processing for CSV, TXT, JSONL files up to 1,000 rows
Shared account balance across console, batch and API
Export results as CSV or JSONL
Failed requests are refunded
Probabilities included with all answers
1006 agent catalog entries with step-through simulations
1032 prompt templates and engineering methods
Architecture diagrams and vibe coding pipelines
Agent builder generating prompt and architecture blueprint
Glossary of 100+ AI and agent terms
Moderated community for discussing agents and prompts
Prompt library with full source attribution
Learning guides on LLM foundations and agent fundamentals
What makes it different
One API and console for playground, flows, batch and API access
Only questions on the executed path in flows are billed
Built on TypeSafe AI's Jev structured decision model
Test and measure decisions on your own data before production
Custom decision criteria defined by your own labels and rules
Interactive simulations showing real agent loops before building
Completely free with no paid tier
No live model execution, only conceptual demonstrations
Curated by staff with moderation and full source attribution
Community submissions reviewed before appearing publicly
JevModel
Vibe Code Pipeline