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Well Run profileThe Chase Pack · #585 of 720

Position 585

Reflex

AI builder, Python framework and engineers that build custom internal business apps

Pace
6:00/kmWarm-up3.25
Distance
Distance Unproven.
Open ops roles
1
Race 4:05/km
Tempo 4:40/km
Steady 5:20/km
Warm-up 6:00/kmReflex
Cool-down 6:30/kmSuperblocksRetool
Reflex 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.
Revenue estimate
7-figure ARR (from ~$0 in Jul 2025)company-stated (sales lead's public LinkedIn post) · as of Jul 2026 linkedin.com ↗
Total raised
$19Msee rounds ↓
Headcount
~39-60as of Oct 2026 pitchbook.com ↗
Founded
2023
HQ
San Francisco, CA

Leadership

The problem

Companies pay for generic SaaS that misses their workflows, then patch gaps with spreadsheets and manual work

What they do

AI builder, Python framework and engineers that build custom internal business apps

Traction Revenue up 10x+ in a year (company claim); 7-figure ARR by Jul 2026

Hiring trend

Open roles
5
Ops roles
1
Headcount
~40-60

Headcount ~22 (Jun 2024, Getlatka) → ~39 (PitchBook) to ~60 (LinkedIn) in 2026, est.; 5 open roles, all SF on-site

Funding

Last round
$14M
Stage
Series A
Date
Oct 2026

Led by Standard Capital

Distance

Unproven · edge: hard to leave

Small Series A with 7-figure ARR; strong open-source reach (~30K GitHub stars, 1M+ apps) and sticky on-prem enterprise deployments, but it competes in a crowded AI app-builder field (Retool, Lovable, Replit, Databricks Apps) and apps are portable code by design.

Sources: SiliconANGLE: Reflex raises $14M Series A (Oct 2026) ↗ · Dealroom: Reflex $14M round, modest vs competitors (Oct 2026) ↗ · Replicated case study: on-prem is over half of Reflex ARR ↗

Last checked Oct 29, 2026

News timeline

  1. Oct 2026Raised $14M Series A led by Standard Capital; Databricks Ventures joins siliconangle.com ↗
  2. Aug 2026Brought open-source XY charting library into Reflex Build reflex.dev ↗
  3. Aug 2026Launched Reflex Security Scanner for CI app reviews linkedin.com ↗
  4. May 2026Launched BYOC: deploy enterprise apps to customer AWS, GCP or Azure reflex.dev ↗
  5. Oct 2025Launched Reflex Build, an AI app builder for Python web apps ycombinator.com ↗

Funding historyTotal raised $19M

  1. Oct 2026Series A$14MLed by Standard Capital siliconangle.com ↗
  2. Aug 2023Seed$5MLed by Lux Capital reflex.dev ↗
  3. Mar 2023Accelerator (YC W23)$125KLed by Y Combinator app.dealroom.co ↗

Profile facts checked Oct 29, 2026. Every fact links to its public source.

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