Deeptune A Verified Acquired by Mercor

RL environment company · Coding

On X
@deeptuneai ↗
Funding
$48.3M raised · rounds and investors
Tier
A why
Snapshot

Open environment ↗deeptune.com

What Deeptune does

Deeptune builds RL training gyms for frontier labs: simulated environments mimicking software like Slack and Salesforce where AI agents practise coding and knowledge-work tasks.

Leads with
Enterprise work
Based in
New York, USA
Team
11-50
Part of
Mercor

What Deeptune sells

Read from Deeptune's own website, checked October 11, 2026: the line that puts it in each category.

RL environments

Domains Deeptune covers

Deeptune competitors and alternatives

The companies that sell the most of the same things in the same domains, and what they share with Deeptune.

Every RL environment company on the landscape map →

Tier A

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 11-50
  • raised $48M
  • investors: Andreessen Horowitz, 776, Abstract Ventures
  • in curated RL directories (2 pts)
How we got to tier A
  1. Adoption: team 11-50; raised $48M; investors: Andreessen Horowitz, 776, Abstract Ventures. Tier A.
  2. On X: unclear, none buzz No move.
  3. In curated RL directories: 2 points, a floor of none.
  4. 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.

Deeptune funding

Raised
$48.3Mstated total
Latest round
Series A $43M2026-03 · led by Andreessen Horowitz
Acquired by
Mercor2026-07

Backed byAndreessen Horowitz776Abstract VenturesInspired Capital

Rounds

  • Series A · $43M · 2026-03 · led by Andreessen Horowitz
    AI startup Deeptune has raised a $43 million Series A to build what it calls “training gyms” for AI agents, _Fortune_ has learned exclusively. Andreessen Horowitz led the round
    1. Read: “AI startup Deeptune has raised a $43 million Series A to build what it calls “training gyms” for AI agents, _Fortune_ has learned exclusively. Andreessen Horowitz led the round”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. The quote states the amount and who led it
    4. Also named by 5 other pages read
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…

Acquisitions

  • Acquired by Mercor · 2026-07
    Deeptune is joining Mercor (July 2026)
    1. Read: “Deeptune is joining Mercor (July 2026)”
    2. Found word for word on its own site: deeptune.com
    3. Also named by 2 other pages read
    deeptune.com

Funds 4

  • Andreessen Horowitz led a round
    Today, we're announcing our $43 million Series A, led by Andreessen Horowitz with participation from 776, Abstract Ventures, and Inspired Capital
    1. Read: “Today, we're announcing our $43 million Series A, led by Andreessen Horowitz with participation from 776, Abstract Ventures, and Inspired Capital”
    2. Found word for word on its own site: deeptune.com/blog/series-a
    3. Also named by 3 other pages read and a curated directory
    deeptune.com/blog/series-a/
  • 776
    Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital
    1. Read: “Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…
  • Abstract Ventures
    Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital
    1. Read: “Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…
  • Inspired Capital
    Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital
    1. Read: “Andreessen Horowitz led the round, joined by 776, Abstract Ventures, and Inspired Capital”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…

Angels 3

  • Brendan Foody
    with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.
    1. Read: “with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…
  • Noam Brown
    with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.
    1. Read: “with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…
  • Yash Patil
    with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.
    1. Read: “with angels including OpenAI researcher Noam Brown, Mercor CEO Brendan Foody, and Applied Compute CEO Yash Patil.”
    2. Found word for word on a page found by search: fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series-a
    3. Also named by 2 other pages read and a curated directory
    fortune.com/2026/03/19/andreessen-horowitz-ai-startups-deeptune-series…

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 Deeptune sits

Its domain on the map, live. Hover a logo for its name; click to open it. Open it on the full map

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Latest from Deeptune on X

@deeptuneai ↗

Next: browse all environments. Entry from the RL Research daily scrape of public sources, 2026-11-05 snapshot.