Jev

Jev

TypeSafe AI
PydanticAI

PydanticAI

Pydantic
+
+

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About

Jev is a System One Model from TypeSafe AI designed for fast, structured decision-making inside software and automated workflows. Unlike conventional large language models that generate free-form text token by token, Jev accepts unstructured state and returns predefined type-safe values with calibrated probabilities and confidence scores. The model uses a parallel sampling architecture and a training approach called Reinforcement Learning for Calibrated Decisions, which is optimized for producing reliable probabilistic decisions rather than conversational responses. Jev is intended for tasks such as classification, routing, scoring, extraction, branching logic, verification, guardrails, and other AI-powered workflows where structured outputs can plug directly into application code. TypeSafe reports end-to-end response times ranging from about 70 to 500 milliseconds and says Jev can be substantially faster and more efficient than frontier language models on System One-style workloads.

About

PydanticAI is a Python-based agent framework designed to simplify the development of production-grade applications using generative AI. Built by the team behind Pydantic, the framework integrates seamlessly with popular AI models such as OpenAI, Anthropic, Gemini, and others. It offers type-safe design, real-time debugging, and performance monitoring through Pydantic Logfire. PydanticAI also provides structured responses by leveraging Pydantic to validate model outputs, ensuring consistency. The framework includes a dependency injection system to support iterative development and testing, as well as the ability to stream LLM outputs for rapid validation. It is ideal for AI-driven projects that require flexible and efficient agent composition using standard Python best practices. We built PydanticAI with one simple aim: to bring that FastAPI feeling to GenAI app development.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software developers, AI engineers, automation teams, infrastructure builders, and enterprises that need low-latency, type-safe, probabilistic AI decisions for production software and structured workflows

Audience

Python developers in search of a solution to build AI-powered applications

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Input: $0.042 / 1M tokens
Input tokens: $0.042 / 1 million tokens ($42 per billion tokens).

Output tokens: FREE (too cheap to meter).
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

TypeSafe AI
Founded: 2024
United States
typesafe.ai/

Company Information

Pydantic
United States
ai.pydantic.dev/

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Prisma.io

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next-forge

next-forge

Vercel

Categories

AI Models Supported

Categories

Agentic AI Supported
AI Agent Builders Supported

Integrations

AG-UI Not Supported
Agent Builder Not Supported
Agentspan Not Supported
Atla Not Supported
Claude Not Supported
Codeflash Not Supported
Dock Not Supported
Ejentum Not Supported
Gemini Not Supported
Gemini 1.5 Flash Not Supported
Gemini 1.5 Pro Not Supported
Gemini 2.0 Not Supported
Gemini 2.0 Flash Not Supported
Gemini Enterprise Not Supported
Gemini Pro Not Supported
Hindsight Not Supported
OpenAI Not Supported
Openlayer Not Supported
Prefactor Not Supported
telemetry.dev Not Supported

Integrations

AG-UI Supported
Agent Builder Supported
Agentspan Supported
Atla Supported
Claude Supported
Codeflash Supported
Dock Supported
Ejentum Supported
Gemini Supported
Gemini 1.5 Flash Supported
Gemini 1.5 Pro Supported
Gemini 2.0 Supported
Gemini 2.0 Flash Supported
Gemini Enterprise Supported
Gemini Pro Supported
Hindsight Supported
OpenAI Supported
Openlayer Supported
Prefactor Supported
telemetry.dev Supported
Claim Jev and update features and information
Claim Jev and update features and information
Claim PydanticAI and update features and information
Claim PydanticAI and update features and information