Our mission

Hold the longer
brief.

Hold the longer
brief.

Hold the longer
brief.

Vantir builds models for work that outlasts a single prompt. Reasoning, voice, and memory, shaped to finish the job instead of restarting it.

At our core

A small team, joined by curiosity and a bias toward the finished thing.

01

Read the constraint first

We start from what the job will not allow, then shape the model around that limit.

02

Ambition needs a date

A goal without a ship date is a mood. The hard thing goes on the calendar.

03

Make the quiet version

Speed matters when it removes a step. We cut the parts that only sound sure.

Offices

Work in the same room

We sit together so the hard part of the work can be said out loud. Four rooms, one standard for what ships.

Open roles

Careers

Austin

Lisbon

Seoul

Toronto

Our path of progress

A short record of what we shipped, and what we refused to skip.

2023

The first brief.

Jul 12

A quieter lab.

Oct 3

The name Vantir.

Dec 18

2024

Assist leaves the notebook.

Mar 4

Forge keeps a project.

Jun 19

Speak answers in the room.

Nov 8

2025

Relay between teams.

Feb 11

The API grows up.

May 20

Studio opens.

Sep 9

© 2026 Vantir

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