dmodel B Verified

RL environment company · ML

Domains
ML Alignment
On X
@d_model_ai ↗
Funding
$500K raised · Y Combinator S24 · rounds and investors
Tier
B why
Snapshot

Open environment ↗dmodel.ai

What dmodel does

d_model is an AI research lab that builds RL environments for open-ended interpretability and alignment research tasks, partnering with frontier labs to train agents as researchers.

Leads with
Science
Based in
San Francisco, USA
Team
11-25

What dmodel sells

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

RL environments

Domains dmodel covers

  • Science leads with

    “These environments teach agents how to do cutting-edge research, not how to reward-hack.”
    dmodel.ai ↗

dmodel competitors and alternatives

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

Every RL environment company on the landscape map →

Tier B

B

Growing: 11 to 50 people, or $3M+ 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 11-25
  • raised $500K
  • investors: Soma Capital
  • went through Y Combinator Summer 2024
  • in curated RL directories (3 pts)
How we got to tier B
  1. Adoption: team 11-25; raised $500K; investors: Soma Capital; went through Y Combinator Summer 2024. Tier B.
  2. On X: unclear, none buzz No move.
  3. In curated RL directories: 3 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.

dmodel funding

Raised
$500Kstated total
Latest round
Pre-seed $500K2024-09
Accelerator
Y Combinator S24

Backed byY Combinator Summer 2024

Rounds

  • Pre-seed · $500K · 2024-09
    $500KSep 24, 2024
    1. Read: “$500KSep 24, 2024”
    2. Found word for word on a page found by search: employbl.com/companies/dmodel
    3. The quote states the amount; no lead is named in it
    4. No other page or directory names it yet
    employbl.com/companies/dmodel

Accelerator

  • Y Combinator Summer 2024
    1. Y Combinator's company directory lists d_model with the website dmodel.ai, in its Summer 2024 batch
    2. Checkable on YC's page: ycombinator.com/companies/d_model
    3. 4 pages read also name Y Combinator
    ycombinator.com/companies/d_model

Funds 1

1 more, low confidence
  • Soma Capital
    Y Combinator Soma Capital
    1. Read: “Y Combinator Soma Capital”
    2. Found word for word on a page found by search: employbl.com/companies/dmodel
    3. No other page or directory names it yet
    employbl.com/companies/dmodel

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 dmodel 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 dmodel on X

@d_model_ai ↗

More ML RL environments

ML AI benchmarks

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