Research worth keeping up with

AI Research Newsletter.

Consequential AI research and releases, with the context that makes them matter.

A curated digest of work from across the field. Prepared with AI assistance and primary-source links; these are summaries of others’ research.

Daily · Up to three updatesSignal over volume

September 15, 2026

← All updates · 2 updates

Jev introduces fast, typed AI decisions, with early independent evidence for judging

TypeSafe AI released Jev on September 15, a specialized model that takes unstructured state and predefined questions and returns typed decisions with probabilities rather than generating prose. Vercel reported on September 18 that nearly 13% of its paid AI Gateway teams used Jev within its first 24 hours there; a September 22 independent preprint found Jev within three percentage points of its strongest LLM judge on preference and evidence-grounded factuality tasks at 0.36% of that judge's fee.

Why it made the cut: A model designed for low-latency classification, routing, and guardrail decisions could make a different class of AI-powered software practical, and both early platform use and an independent evaluation provide evidence beyond the launch claims. TypeSafe's larger speed and cost comparisons are self-run, Vercel's free introductory offer may have boosted early adoption, and the preprint reports larger gaps on tasks that require checking derivations or resisting elaborate wrong answers; none establishes general superiority or lasting production use.

Official announcement and technical discussion · Early adoption data (Vercel) · Independent evaluation (preprint)

Five drugmakers show federated training can sharply improve AI protein–drug predictions without sharing raw data

AbbVie, Astex, Bristol Myers Squibb, Johnson & Johnson, and Takeda jointly fine-tuned OpenFold3 Preview 2 across 20,167 private protein–ligand structures while keeping every structure inside its owner’s environment. On 1,056 held-out structures, the resulting AISB-1-Fed model raised high-quality interface predictions from 35.6% to 52.1% and correct ligand poses from 28.9% to 46.8%, outperforming both the public OpenFold3 checkpoint and Boltz-2 on the consortium’s private evaluation.

Why it made the cut: The five-company experiment provides substantial evidence that otherwise siloed experimental structures can improve a shared drug-discovery model without pooling raw data. Announced September 14, it falls within this briefing’s 48-hour lookback. The evaluation uses held-out projects from the same participating companies, not a fully external test, and does not establish binding-affinity accuracy or general superiority across chemistry; the findings are consortium-reported, and the private data and trained weights are not public.

Technical results and official announcement · Consortium overview · OpenFold3 technical report · OpenFold3 code · Independent analysis (Nature)