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Well Run profileThe Chase Pack · #609 of 720

Position 609

Proximal

Post-training data and RL environments that make frontier labs' coding agents better

Pace
6:00/kmWarm-up2.25
Distance
Distance 10K.
Open ops roles
—
Last week
—
Move
New
Peak
#584
Weeks in the 100
0
The Chart →
Rank and score over time
Board rank
#574#584#594#584Oct 25
Pace score
02462.3Oct 25

One point per Sunday re-rank, tracking since Oct 25. The lines fill in week by week.

Sprint 3:30/km
Race 4:05/kmHalluminate
Tempo 4:40/kmSurge AIMercor
Steady 5:20/kmScale AI
Warm-up 6:00/kmProximal
Cool-down 6:30/km
Proximal runs in the Warm-up lane. Rivals on Well Run sit in their own pace lanes; further right = more momentum. Tap one to open its page.Also competes with: Micro1
Revenue estimate
$200M+ annualized revenue (quarter-to-date x4)company-stated · as of Sep 2026 proximal.ai ↗
Total raised
$15Msee rounds ↓
Headcount
~40as of Sep 2026 dealroom.co ↗
Founded
2025
HQ
San Francisco, CA

Leadership

The problem

AI labs run out of hard, verifiable training tasks to find and fix their coding agents' weaknesses

What they do

Post-training data and RL environments that make frontier labs' coding agents better

Traction $200M annualized revenue in ~10 months (company-stated, quarter-to-date x4); says profitable

Hiring trend

Open roles
0
Headcount
~40

~40 staff on LinkedIn (+2.6%/mo); Bangalore team 0 to 15 by Mar 2026

Funding

Last round
$15M
Stage
Seed
Date
Sep 2026

Led by General Catalyst

Distance

10K · edge: learns from use

Reported $200M run rate with ~40 people and software-like margins, but the figure is company-stated (quarter-to-date x4), revenue sits with a handful of frontier labs, and Scale, Surge, Mercor and newer RL-environment shops compete for the same budgets.

Sources: Proximal: New Frontiers, seed and revenue announcement (Sep 2026) ↗ · Dealroom: Proximal exits stealth with $15M seed as revenue tops $200M (Sep 2026) ↗ · Wilson Sonsini: advises Proximal on $15M seed (Sep 2026) ↗

Open ops roles

No ops roles open right now

Last checked Oct 25, 2026

News timeline

  1. Oct 2026Publishes post-training infrastructure write-up on its stack theconsensus.dev ↗
  2. Sep 2026Exits stealth: $15M seed led by General Catalyst at $300M, $200M run rate dealroom.co ↗
  3. Sep 2026Wilson Sonsini advises Proximal on $15M seed wsgr.com ↗
  4. Mar 2026Bangalore research and engineering team reaches 15 people linkedin.com ↗

Funding historyTotal raised $15M

  1. Dec 2025Seed$15Mat $300MLed by General Catalyst dealroom.co ↗

Profile facts checked Oct 19, 2026. Every fact links to its public source.

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