R-01Model
FrontLine Core
A frontier reasoning model trained for long-horizon planning, verifiable steps, and transparent chains of thought.
Read the report FrontLine Labs / R&D
Building the infrastructure for intelligent systems.
An independent research lab advancing the science of reasoning — and shipping the models, tools, and APIs that put it to work.
FRONTLINE-LABS // SAN FRANCISCOEST. 2026[ FRONTIER RESEARCH · APPLIED ]
01 Reasoning & Planning
02 Agents & Tool Use
03 Evaluation & Safety
04 Developer Platform
[ 01 / Mission ]
We study how machines reason — then turn that understanding into systems the world can build on.
FrontLine Labs is an independent research lab. We work at the frontier of machine intelligence: how models plan, generalize, use tools, and stay reliable under pressure.
We’re deliberately broad. Today that means reasoning models, agent frameworks, and rigorous evaluation — but the lab is built to expand into wherever the science leads, and to ship what we learn as tools researchers, developers, and enterprises can depend on.
[ 02 / Work ]
Research and products, built to reinforce each other.
R-02Framework
Atlas Agents
An open framework for building agents that use tools, recover from failure, and explain their decisions.
Explore AtlasR-03Benchmark
Eval Suite
A rigorous, open evaluation harness for reasoning, reliability, and safety — the bar we hold our own work to.
View benchmarksR-04Platform
Developer API
Production access to our models and agent tooling, with the docs, SDKs, and guarantees teams need to deploy.
Read the docs[ 03 / News ]
The latest from the lab.
2026 · 05FrontLine Core enters research previewOur frontier reasoning model is now available to a first cohort of research and enterprise partners.Release2026 · 04Open-sourcing the Atlas agent frameworkA framework for building agents that use tools, recover from failure, and explain their decisions.Open Source2026 · 03We raised our seed round to build the labBacked by leading funds and researchers to advance the science of machine reasoning.Company2026 · 02Introducing the Eval Suite benchmarkA rigorous, open harness for measuring reasoning, reliability, and safety.Research2026 · 01FrontLine Labs is now operatingAn independent research lab, building the infrastructure for intelligent systems.Company
[ 04 / Backed by ]
Supported by the people building what’s next.
FUNDS · ANGELS · RESEARCH INSTITUTIONS[ SELECTED ]
Northwind
Vector Capital
Meridian
Helix Foundation
Atlas Ventures
Quanta
Polaris
Foundry