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Silo AI vs OpenAI

Side-by-side on valuation, funding, investors, founders & more

Comparison updated: April 2026

OpenAI is valued at $852B — more than 3x Silo AI's N/A.

Head-to-Head Verdict

OpenAI leads on 4 of 4 metrics

Silo AI

0 wins

-Funding
-Awaira Score
-Team Size
-Experience

OpenAI

4 wins

+Funding
+Awaira Score
+Team Size
+Experience

Key Numbers

Valuation
N/A
$852B
Total Funding
$60M
$127B
Awaira Score
60/100
98/100
Employees
100-500
4,000
Founded
2017
2015
Stage
Acquired
Private
Silo AIOpenAI
Silo AI logo
Silo AI

🇫🇮 Finland · Peter Sarlin

AcquiredFoundation ModelsEst. 2017

Valuation

N/A

Total Funding

$60M

Awaira Score60/100

100-500 employees

Full Silo AI Profile →
Winner
OpenAI logo
OpenAI

🇺🇸 United States · Sam Altman

PrivateFoundation ModelsEst. 2015

Valuation

$852B

Total Funding

$127B

Awaira Score98/100

4,000 employees

Full OpenAI Profile →
Market Context

Both companies compete in the Foundation Models space, though from different geographies — Silo AI in Finland and OpenAI in United States. Different stages (Acquired vs Private) mean these companies face fundamentally different operational priorities.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

Within Foundation Models, Silo AI and OpenAI rank among the most closely watched rivals. Silo AI operated as a private European AI lab providing foundation model development, applied AI research, and AI product engineering services to enterprise clients across Europe, building custom AI systems and adapting open-source foundation models for domain-specific applications in manufacturing, healthcare, and financial services. OpenAI is an artificial intelligence research laboratory founded in 2015 and headquartered in San Francisco.

Funding & Valuation

Only OpenAI has a public valuation on record ($852B); Silo AI's has not been disclosed. On the funding front, OpenAI has secured $127B, outpacing Silo AI's $60M by $126.9B.

Growth Stage

The founding gap is narrow: OpenAI in 2015 versus Silo AI in 2017. Growth stages differ: Silo AI (Acquired) versus OpenAI (Private), a distinction that matters for both deal structure and competitive positioning. Headcount tells a story too: Silo AI has 100-500 employees and OpenAI has 4,000.

Geography & Outlook

Based in 🇫🇮 Finland and 🇺🇸 United States respectively, Silo AI and OpenAI tap into different talent markets and regulatory environments. A 38-point gap on the Awaira Score (OpenAI: 98, Silo AI: 60) signals a clear difference in overall company strength. Under Peter Sarlin and Sam Altman respectively, both companies continue to chart aggressive growth paths.

Funding Velocity

Silo AI

Total Rounds5
Avg. Round Size$12M
Funding Span5.3 yrs

OpenAI

Total Rounds5
Avg. Round Size$25.4B
Funding Span11.2 yrs

Funding History

Silo AI has completed 5 funding rounds, while OpenAI has gone through 5. Silo AI's most recent round was a Series D of $24M, compared to OpenAI's Corporate ($110B). Silo AI is at Acquired while OpenAI is at Private — different points in their growth trajectory.

Team & Scale

OpenAI has the bigger team at roughly 4,000 people — 40x the size of Silo AI's 100-500. They're close in age — Silo AI started in 2017 and OpenAI in 2015. Geographically, they're in different markets — Silo AI operates out of Finland and OpenAI from United States.

Metrics Comparison

MetricSilo AIOpenAI
💰Valuation
N/A
$852B
📈Total Funding
$60M
$127BWINS
📅Founded
2017WINS
2015
🚀Stage
Acquired
Private
👥Employees
100-500
4,000
🌍Country
Finland
United States
🏷️Category
Foundation Models
Foundation Models
Awaira Score
60
98WINS

Key Differences

📈

Funding gap: OpenAI has raised $126.9B more ($127B vs $60M)

📅

Market experience: OpenAI has 2 years more (founded 2015 vs 2017)

🚀

Growth stage: Silo AI is at Acquired vs OpenAI at Private

👥

Team size: Silo AI has 100-500 employees vs OpenAI's 4,000

🌍

Market base: 🇫🇮 Silo AI (Finland) vs 🇺🇸 OpenAI (United States)

⚔️

Direct competitors: Both operate in the Foundation Models market segment

Awaira Score: OpenAI scores 98/100 vs Silo AI's 60/100

Which Should You Choose?

Use these signals to make the right call

Silo AI logo

Choose Silo AI if…

  • Finland-based for regional compliance or proximity
  • Silo AI operated as a private European AI lab providing foundation model development, applied AI research, and AI product engineering services to enterprise clients across Europe, building custom AI systems and adapting open-source foundation models for domain-specific applications in manufacturing, healthcare, and financial services
OpenAI logo

Choose OpenAI if…

Top Pick
  • Higher Awaira Score — 98/100 vs 60/100
  • More established by valuation ($852B)
  • Stronger investor backing — raised $127B
  • More market experience — founded in 2015
  • United States-based for regional compliance or proximity
  • OpenAI is an artificial intelligence research laboratory founded in 2015 and headquartered in San Francisco

Funding History

Silo AI raised $60M across 5 rounds. OpenAI raised $127B across 5 rounds.

Silo AI

Series D

Oct 2022

$24M

Series C

Jun 2021

$18.6M

Series B

Feb 2020

$10.8M

Series A

Oct 2018

$4.8M

Seed

Jun 2017

$1.8M

OpenAI

Corporate

Feb 2026

Lead: Amazon

$110B

Corporate

Jan 2024

Lead: Thrive Capital

$6B

Corporate

Jan 2023

Lead: Microsoft

$10B

Corporate

Jan 2019

Lead: Microsoft

$1B

Seed

Jan 2015

$100M

Investor Comparison

No shared investors detected between these two companies.

Unique to OpenAI

AmazonNvidiaSoftBankMicrosoftThrive CapitalSalesforce Ventures

Users Also Compare

FAQ — Silo AI vs OpenAI

Is Silo AI bigger than OpenAI?
OpenAI has a disclosed valuation of $852B, while Silo AI's valuation is not publicly available, making a direct size comparison difficult. OpenAI employs 4,000 people.
Which company raised more funding — Silo AI or OpenAI?
OpenAI has raised more in total funding at $127B, compared to Silo AI's $60M — a gap of $126.9B. Combined, the two companies have completed 10 known funding rounds.
Which company has a higher Awaira Score?
OpenAI leads with an Awaira Score of 98/100, while Silo AI sits at 60/100. That 38-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded Silo AI vs OpenAI?
Silo AI was founded by Peter Sarlin in 2017. OpenAI was founded by Sam Altman in 2015. Visit each company's profile on Awaira for a full founder biography.
What does Silo AI do vs OpenAI?
Silo AI: Silo AI operated as a private European AI lab providing foundation model development, applied AI research, and AI product engineering services to enterprise clients across Europe, building custom AI systems and adapting open-source foundation models for domain-specific applications in manufacturing, healthcare, and financial services. The Helsinki company combined academic research partnerships with commercial AI deployment expertise.\n\nThe company raised approximately $60 million in venture funding before being acquired by AMD in July 2024 for approximately $665 million, one of the largest acquisitions of a European AI company. The acquisition gave AMD an AI software engineering team to develop AI software and tools optimised for AMD Instinct GPU hardware, addressing the critical software ecosystem gap that AMD faces in competing against NVIDIA CUDA in the AI training and inference market.\n\nSilo AI competed in the European AI services and research market alongside AI labs and consultancies, but its acquisition by AMD represented a strategic uplift from commercial AI services to chip ecosystem development. The acquisition price reflected AMD valuation of Silo AI engineering talent and AI model optimisation expertise rather than its revenue run rate, indicating the premium that semiconductor companies are willing to pay to close software ecosystem gaps against NVIDIA dominance. Post-acquisition, the Silo AI team focuses on optimising AI frameworks, model libraries, and developer tools for AMD AI accelerator hardware. OpenAI: OpenAI is an artificial intelligence research laboratory founded in 2015 and headquartered in San Francisco. The company develops and deploys large language models and foundation models that power conversational AI applications. Its flagship product, ChatGPT, launched in November 2022 and rapidly became one of the fastest-adopted applications in technology history, reaching 100 million users within two months. OpenAI also offers GPT-4, a more advanced language model, and provides API access to developers through its platform. The company operates in the foundation models category, competing directly with Anthropic, Google DeepMind, and Meta in developing transformer-based large language models. OpenAI's approach emphasizes training increasingly capable models using large datasets and computational resources. Notable applications include content generation, coding assistance, customer service automation, and research support across enterprises and consumer markets. OpenAI has secured substantial funding from diverse sources including Microsoft, which invested $13 billion, making it one of the most heavily funded AI companies. The company's valuation reached $500 billion as of recent funding rounds, reflecting investor confidence in the commercial potential of large language models. The organization transitioned from a non-profit structure to a capped-profit model to facilitate venture capital investment. Growth has accelerated significantly following ChatGPT's release, expanding its user base and enterprise adoption substantially. OpenAI created one of the first large language models to achieve mainstream consumer adoption through ChatGPT, establishing a dominant position in accessible AI applications.
Which company was founded first?
OpenAI got there first, launching in 2015 — that's 2 years of extra runway. Silo AI didn't arrive until 2017. In AI, that kind of head start means more training data, deeper customer relationships, and a bigger talent moat.
Which company has more employees?
Silo AI has about 100-500 employees; OpenAI has about 4,000. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are Silo AI and OpenAI competitors?
Yes — they're direct rivals. Both Silo AI and OpenAI compete in Foundation Models, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

OpenAI has a clear lead here — Awaira Score of 98 vs Silo AI's 60. The difference comes down to funding depth and team scale.

Who Should You Watch?

OpenAI is in the stronger position — better score and deeper pockets. But Silo AI has room to surprise, especially if they land a marquee investor. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.

Deep Dive