Fleet AI A Verified
RL environment company · Computer Use
- On X
- @fleet_ai ↗
- Tier
- A why
- Snapshot
What Fleet AI does
Fleet AI builds high-fidelity simulated training environments ('gyms') and evals that model real-world work for frontier labs, hyperscalers and enterprises training AI agents.
- Sells
- RL environments
- Leads with
- Several domains (a generalist)
- Based in
- New York, USA
- Team
- 11-50
- Website
- fleetai.com ↗
What Fleet AI sells
Read from Fleet AI's own website, checked October 11, 2026: the line that puts it in each category.
RL environments
“an applied research lab dedicated to the scale out of environments - diverse and high-fidelity training gyms that accurately model the real world”
fleetai.com/ ↗“We see the codification of human goals for agents in evals and environments as the highest leverage human activity”
fleetai.com/ ↗
Fleet AI competitors and alternatives
The companies that sell the most of the same things in the same domains, and what they share with Fleet AI.
- AfterQuery Also sells RL environments and evals
- Align AI Also sells RL environments and evals
- BenchFlow Also sells RL environments and evals
- Collinear Also sells RL environments and evals
- HUD Also sells RL environments and evals
Tier A
Scaling: 51 to 250 people, or $20M+ raised.
How much stands behind a tier: usage, who backs it, a confirmed line from its own site or paper, and a clear read on X. High with three of the four, medium with two, low otherwise.
- team 51-100
- raised $15M
- valued $725M
- investors: Sequoia Capital, Menlo Ventures, SV Angel
- in curated RL directories (5 pts)
On X · well regarded, low buzz, from 13 posts about Fleet AI in the last month
Mentioned for an open-source SwarmChat collaboration with CMU, WitnessBench on Fireworks' index, and Baseten/Fireworks partner lists; top posts are gig-work listings.
How we got to tier A
- Adoption: team 51-100; raised $15M; valued $725M; investors: Sequoia Capital, Menlo Ventures, SV Angel. Tier A.
- On X: well regarded, low buzz. “Mentioned for an open-source SwarmChat collaboration with CMU, WitnessBench on Fireworks' index, and Baseten/Fireworks partner lists; top posts are gig-work listings.” No move.
- In curated RL directories: 5 points, a floor of C.
- Confirmed: a line from its own site or paper places it.
A clear view on X moves a tier one step up or down; most entries don't move. How tiers work.
Fleet AI funding
Backed byBain Capital VenturesMenlo VenturesSequoia CapitalSV Angel
Funds 4
- Bain Capital Ventures
We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel
- Read: “We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel”
- Found word for word on its own site: fleetai.com/careers/former-founder-with-track-record-and-experience
- Also named by a curated directory
- Menlo Ventures
We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel
- Read: “We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel”
- Found word for word on its own site: fleetai.com/careers/former-founder-with-track-record-and-experience
- Also named by 1 other page read and a curated directory
- Sequoia Capital
We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel
- Read: “We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel”
- Found word for word on its own site: fleetai.com/careers/former-founder-with-track-record-and-experience
- Also named by 1 other page read and a curated directory
- SV Angel
We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel
- Read: “We've raised from Sequoia Capital, Bain Capital Ventures, Menlo Ventures, and SV Angel”
- Found word for word on its own site: fleetai.com/careers/former-founder-with-track-record-and-experience
- Also named by a curated directory
Every figure is quoted from its own site, its accelerator or a funding announcement; a round's amount and lead appear only when its quote states them. Startup databases are never used as evidence. Checked 2026-10-11. How funding is checked.
Where Fleet AI sits
Its domain on the map, live. Hover a logo for its name; click to open it. Open it on the full map
Latest from Fleet AI on X
@fleet_ai ↗Next: browse all environments. Entry from the RL Research daily scrape of public sources, 2026-11-05 snapshot.