Together AI's website preview

Well Run profileThe Well Run 100 · #6 of 720

Position 6

Together AI

AI-native cloud for training and running open-source models

Pace
3:30/kmSprint5.5
Distance
Distance Half.
Open ops roles
3
Last week
#6
Move
Held
Peak
#6
Weeks in the 100
2
The Chart →
Rank and score over time
Board rank
#1#9#16#6Oct 18#6Oct 25
Pace score
02465.5Oct 185.5Oct 25

One point per Sunday re-rank, tracking since Oct 18. The lines fill in week by week.

Sprint 3:30/kmDeepInfraBasetenModalFireworks AITogether AI
Race 4:05/km
Tempo 4:40/km
Steady 5:20/km
Warm-up 6:00/km
Cool-down 6:30/km
Together AI runs in the Sprint lane, alongside 4 rivals. Rivals on Well Run sit in their own pace lanes; further right = more momentum. Tap one to open its page.Also competes with: CoreWeave
Revenue estimate
~$1B annualized revenue (Feb 2026, Sacra est.); annual bookings >$1.15B (Q2 2026, company)estimate · as of Jul 2026 sacra.com ↗
Total raised
~$1.33B (Tracxn)see rounds ↓
Headcount
~436as of 2026 platform.tracxn.com ↗
Founded
2022
HQ
San Francisco, CA

Leadership

The problem

Teams want frontier-level AI on open models at lower cost

What they do

AI-native cloud for training and running open-source models

Traction Annual bookings >$1.15B; customers incl. Cursor, Cognition, Decagon

Hiring trend

Open roles
85
Ops roles
3
Headcount
~414

~414 staff (PitchBook); 75 open roles

Hiring in

  • San Francisco
  • Amsterdam
  • New York
  • Remote

Funding

Last round
$800M
Stage
Series C
Date
Jul 2026

Led by Aramco Ventures

Distance

Half · edge: cheaper at size

Close #2 independent inference cloud with $1.15B+ bookings and customers like Cursor; capital-hungry, crowded field.

Sources: Business Wire: Together AI $800M Series C (Jul 2026) ↗ · Signals Inbox: Fireworks vs Together comparison (Jul 2026) ↗ · New Market Pitch: AI cloud, which startup is ahead? (Jul 2026) ↗

Last checked Oct 25, 2026

News timeline

  1. Aug 2026Partners with HUMAIN on 250MW Saudi data center and cloud services businesswire.com ↗
  2. Jul 2026Raises $800M Series C at $8.3B led by Aramco Ventures reuters.com ↗
  3. May 2025Acquires Refuel.ai for data labeling and structuring techtarget.com ↗
  4. Feb 2025Raises $305M Series B at $3.3B led by General Catalyst together.ai ↗

Funding historyTotal raised ~$1.33B (Tracxn)

  1. Jul 2026Series C$800Mat $8.3BLed by Aramco Ventures businesswire.com ↗
  2. Feb 2025Series B$305Mat $3.3BLed by General Catalyst reuters.com ↗
  3. Mar 2024Series A extension$106MLed by Salesforce Ventures together.ai ↗
  4. Nov 2023Series A$102.5MLed by Kleiner Perkins web.archive.org ↗
  5. May 2023Seed$20MLed by Lux Capital together.ai ↗

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

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