ML model inference and deployment platform for AI startups and enterprises serving production traffic
Baseten provides high-performance model inference infrastructure — hosting, serving, and optimizing LLMs and custom AI models for production traffic. In June 2026 it closed a $1.5B Series F at up to a $13B valuation (a split-priced round at $11B/$13B) led by Altimeter Capital, Conviction, and Spark Capital, co-led by Sands Capital and Wellington Management — roughly tripling its valuation in five months on annualized revenue that surged from ~$200M to ~$600M in a single quarter (~20x YoY). The platform now serves more than 1 billion inference requests per day across 87 clusters on 18 cloud environments. Earlier, in January 2026, Baseten raised $300M at a $5B valuation with $150M strategic from Nvidia. A direct rival to Together AI, Modal, and Fireworks in the white-hot AI inference market.
AI📍 San Francisco, CAFounded 2019
Current Valuation
$13B
as of 2026-06
DECACORN
QL Price
$38B
+191% vs last round
QuantLogix's current estimate for Baseten, published 2026-10-04 — above the last disclosed round of $13B (2026-06).
Confidence
medium
Basis
blended
What backs this price
Last disclosed round
$13B
2026-06
weight 0.79
Secondary market print
$80B
2026-06-27
weight 0.55
Public-company comparables
$8.5B
2026 (annualized run-rate)
weight 0.13
This price sits more than 100% away from the last disclosed round. Past a 2× repricing off a single secondary print, the likeliest explanation is that the print and the round describe different share classes rather than a genuine move. It is published and graded like every other price, but treat it with more care.
How this price has held up
No round has priced for Baseten since QuantLogix began publishing a price for it, so there is nothing to grade yet. The claim above is on the record from 2026-10-04 and will be graded against the next priced round. See the full accuracy record →
Which publicly-traded funds already hold it, what $10,000 buys, and whether any route is open to you.
Cite this price as QuantLogix QL Price, Baseten, 2026-10-04 (5feab099af502a48).
The id pins this exact claim, so a citation stays checkable after the price moves.
Model estimate for research — not a quote, target price, or investment advice.
IPO Outlookprivate
Is Baseten going public?
No. Baseten is private and has not filed to go public. There is no S-1 on file.
What is Baseten's valuation in 2026?
Baseten is valued at $13B as of Jun 2026, set by its Series F ($1.5B, Jun 2026). That is the last confirmed mark, not a live price — private shares do not trade continuously.
Has Baseten filed an S-1?
No public S-1 is on file for Baseten.
Who are Baseten's investors?
Baseten's investors include Altimeter Capital, Conviction, Spark Capital, Sands Capital, Wellington Management, IVP and 9 more.
How much has Baseten raised?
Baseten has raised $2.0B in total across 2 disclosed rounds, most recently a Series F of $1.5B in Jun 2026.
Is Baseten publicly traded — can you buy Baseten stock?
No. Baseten is a private company — its shares are not listed on any exchange and there is no ticker. The routes to exposure are pre-IPO secondary marketplaces and funds (accredited investors), employee tender offers when the company runs one, and public companies with read-through exposure. QuantLogix maps every route it can verify for Baseten on its Pre-IPO Access Desk.
Answers are derived from the roster record shown on this page — filing status, last round and confirmed marks. Where the record is silent, the answer says so rather than guessing.
Series F — $1.5B (Jun 2026) · Lead: Altimeter Capital, Conviction, Spark Capital
IPO Status
private
Fundraising Status
Series F · $1.5B · 4 mo ago
privateTotal raised $2.0B2 disclosed rounds
Series F Impact
Round Size
$1.5B
Primary financing announced
Post-Money Valuation
$13B
Company-announced mark
Valuation Step-Up
+160.0%
vs Series D at $5.0B
Round / Post-Money
11.5%
New capital ÷ post-money
Disclosed Funding
$2.0B
Cumulative disclosed rounds
Step-up compares disclosed post-money valuations. Round / post-money is a financing-size ratio, not an ownership or dilution estimate.
Secondary Market
Implied price / share
$824.8
Last round price / share
$133.5
vs last round
+517.8%
Open interest
19
Last round price vs secondary price
Secondary price return by period
Implied per-share price from private secondary transactions, as of Jun 2026. This is a point estimate, not a quote — the feed carries no bid, ask or spread, and a secondary print is evidence of what someone paid on that date rather than a live market. Compare across every tracked name →
Growth & Valuation
Valuation across funding rounds
Capital raised per round
Charts built from publicly disclosed funding rounds and revenue estimates. Approximate, not real-time, not investment advice.
Funding History
Round
Amount
Date
Lead Investor
Post-Money
Series F
$1.5B
Jun 2026
Altimeter Capital, Conviction, Spark Capital
$13B
Series D
$300M
Jan 2026
IVP, CapitalG
$5.0B
Vertical Intelligence — AI / ML
Open models
707
verified organization
Downloads (30d)
35,094
across all models
Followers
349
Top model
Llama-3.2-3B-Instruct-pythonic
19,395 downloads / 30d
Attributed to Hugging Face organization "baseten" as of 2026-10-04. Open-weights footprint only — closed-model usage is not publicly measurable. Verify on Hugging Face ↗
Talent Signal
Hiring trend
▲ Hiring uptrend
+38% vs 2026-08
Open roles
99
via ashby
Product-build share
46%
engineering, research, product, design
Trajectory
expanding
product-led hiring — 46% of open roles build product; the rest are go-to-market and G&A.
No tracked executive churn; open roles trending up.
Counted from Baseten's live job board as of 2026-09-15; role functions classified from posting titles. Open-role counts are an activity signal, not headcount. Refreshed monthly.
Altimeter Capital · Conviction · Spark Capital · Sands Capital · Wellington Management · IVP · Greylock · 01 Advisors · Blackbird Ventures · Durable Capital Partners · Verified Capital · Battery Ventures · D. E. Shaw Ventures · CapitalG · Nvidia
Products
Baseten Inference Engine
Truss (open-source model packaging)
Performance Engine for LLMs
Custom-GPU deployment
Competitors
Together AI · Modal · Replicate · Anyscale · Fireworks AI
AIInferenceMLOpsGPUAI Infrastructure
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2026-06. Refreshed quarterly.