Jev

Google tests cheap classifier to route Gemini tasks and cut agent costs
Google's developer blog argues that cost per successful task, not price per million tokens, now decides the economics of coding agents. In a 50-question benchmark, a…

Jev, a System One model, targets quick yes-or-no decisions that LLMs handle slowly
Amii's AI Literacy team has published an explainer on Jev, a model from TypeSafe AI built to make fast, structured decisions with probabilities rather than generate…
ResearchVoyage AI: Embeddings Cut Prediction Errors on MongoDB Data by Up to 44%
Voyage AI says its embedding models can predict missing fields in MongoDB collections more accurately than TypeSafe AI's Jev. Across 50 real-world prediction tasks, the…

Cline adds Jev decision models for fast, cheap agent guardrails and browsing
Cline has built three plugins around Jev, a Decisions model from TypeSafe AI that classifies a given state instead of generating tokens. According to Cline, Jev is…

Google's A2UI gets swappable inference formats to cut generative UI latency
Google has added swappable inference formats to A2UI, its protocol for generative user interfaces, and made a new format called A2UI Express the default. According to…

Anaconda Tests TypeSafe's Jev Decision Model on Real Customer Complaints
Anaconda has published an analysis of Jev, a "decision model" released by TypeSafe that reads an input once and returns a probability for every answer instead of writing…

Fireworks AI Trains Muse Glimmer to Beat Jev at Predicting Kalshi Markets
Fireworks AI says a version of Muse Glimmer 30B fine-tuned on historical Kalshi markets predicted outcomes more accurately than Jev, reaching 58.3% versus 47.1% on…

UiPath adds TypeSafe connector to run Jev decision models in workflows
UiPath has released a preview TypeSafe connector in UiPath Integration Service, allowing developers to call Jev models from their automations. According to UiPath, Jev…

Cloudflare previews Clairic, a System One model that extracts typed values
Cloudflare has launched a preview of Clairic, the first of a new class of System One extraction models, hosted on Workers AI as @cf/cloudflare/clairic. According to…

Cloudflare's Clef decision model now runs locally and on Ollama's cloud
Clef, a 27B multimodal decision model from Cloudflare, is now available on Ollama, where users can run it locally or on Ollama's cloud. According to Ollama, the model…

LangChain Adds AI Search, Fine-Tuning and Custom Apps to LangSmith
LangChain used its Interrupt events in NYC and London to launch a batch of LangSmith features, including semantic trace search, a second version of Engine, and…

Open-weight models now handle 71.5% of AI Gateway tokens and 23% of spend
Open-weight models now process more than seven in ten tokens on Vercel's AI Gateway and account for nearly one in four dollars spent, according to the company's October…

Modal tops $1B annualized run rate and raises $750M Series D
AI infrastructure company Modal says it has crossed $1B in annualized run rate and raised a $750M Series D at a $15.75B post-money valuation. Accel led the round…

Qdrant Tests Jev Classifier on Reranking, Diversity and Query Understanding
Qdrant has published a set of experiments using Jev, a decision model from TypeSafe served through OpenRouter, as a general-purpose classifier for search. According to…

Arize benchmarks eight decision models: Jev, Liquid d1 and Clef 27B close on accuracy
Arize AI has benchmarked eight decision models, including TypeSafe's Jev, Liquid d1 and OpenAI Decisions, and found the leaders closely matched on accuracy but far apart…

Vercel adds OpenAI's Decisions API to AI Gateway for typed, non-text answers
Vercel has made OpenAI's Decisions API available on AI Gateway through an OpenAI-compatible /v1/decisions endpoint. Decision models return probabilities, choices and…

Qodo test finds Jev adds one missing test check to AI code review
An evaluation published by Qodo found that adding TypeSafe's Jev model to an AI code review workflow produced only a marginal gain: one additional required test gap…

Liquid AI adds vision to d1, its probability-based decision model
Liquid AI has released d1, a decision model that now accepts both text and images and returns a probability for each possible answer instead of generating text.…

TypeSafe AI's Jev model passes one trillion tokens in three days on Modal
TypeSafe AI's first model, Jev, scaled to more than one trillion tokens in three days after its public launch, running on Modal's serverless infrastructure, according to…

LangChain Adds Jev, a Fast System One Model for Agent Decisions
LangChain has published a guide to Jev, a new model from TypeSafe AI that does not generate text but returns typed answers and probabilities for classification-style…

TypeSafe's Jev Model Turns AI Into a Typed, Smart 'If Statement' for Code
TypeSafe's Jev is an AI decision model for classification, scoring and routing that returns typed answers software can use directly, instead of text that code has to…

Databricks launches ai_decide, a fast decision function for governed data
Databricks has launched ai_decide, a new AI Function that turns unstructured text into structured decisions over governed data. According to Databricks, it returns…

Fiddler tests TypeSafe's Jev as a fast, cheap judge for coding agent risk
Fiddler AI tested TypeSafe AI's new Jev model as a judge of coding agent risk and found it returned ratings faster and at a lower estimated cost than two general-purpose…

OpenAI's Decisions API Targets Fast Agent Choices, but Details Remain Unpublished
OpenAI's Decisions API, announced at DevDay 2026, restricts GPT-6 Luna to developer-defined questions with a finite list of answers, so agents can branch on a selection…