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6sense vs Notion

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

Comparison updated: April 2026

Two Enterprise AI companies going head to head.

Head-to-Head Verdict

Notion leads on 3 of 5 metrics

6sense

1 win

-Valuation
+Funding
-Awaira Score
-Team Size
=Experience

Notion

3 wins

+Valuation
-Funding
+Awaira Score
+Team Size
=Experience

Key Numbers

Valuation
$5.2B
$11B
Total Funding
$426M
$418M
Awaira Score
80/100
91/100
Employees
1500
2500
Founded
2013
2013
Stage
Series E
Private
6senseNotion
6sense logo
6sense

🇺🇸 United States · Amanda Kahlow

Series EEnterprise AIEst. 2013

Valuation

$5.2B

Total Funding

$426M

Awaira Score80/100

1500 employees

Full 6sense Profile →
Winner
Notion logo
Notion

🇺🇸 United States · Ivan Zhao

PrivateEnterprise AIEst. 2013

Valuation

$11B

Total Funding

$418M

Awaira Score91/100

2500 employees

Full Notion Profile →
Market Context

This is a head-to-head contest: both operate in Enterprise AI and share a home market in United States. Different stages (Series E vs Private) mean these companies face fundamentally different operational priorities.

🔬

Analyst Summary

Built from real data · Updated April 2026

Companies

6sense and Notion are direct competitors in Enterprise AI. 6sense is an enterprise artificial intelligence platform that uses predictive analytics and machine learning to identify and engage high-value sales opportunities. Notion is a workspace productivity platform founded in 2013 that combines database management, document editing, and project management capabilities.

Funding & Valuation

Valuation-wise, Notion holds the advantage at $11B, roughly 2.1 times 6sense's $5.2B. Both have attracted significant capital — 6sense with $426M and Notion with $418M.

Growth Stage

Founded the same year (2013), 6sense and Notion have operated on parallel timelines. Stage-wise, 6sense is classified as Series E and Notion as Private, reflecting divergent fundraising histories. Team sizes also differ: 6sense employs 1500 people versus Notion's 2500.

Geography & Outlook

Headquartered in 🇺🇸 United States, both 6sense and Notion draw from the same local ecosystem of talent and capital. Notion holds a moderate edge on Awaira's composite score (91 vs. 80), driven by stronger fundamentals in funding and growth metrics. Under Amanda Kahlow and Ivan Zhao respectively, both companies continue to chart aggressive growth paths.

Funding Velocity

6sense

Total Rounds5
Avg. Round Size$81M
Funding Span8 yrs

Notion

Total Rounds4
Avg. Round Size$84.3M
Funding Span8.6 yrs

Funding History

6sense has completed 5 funding rounds, while Notion has gone through 4. 6sense's most recent round was a Series E of $200M, compared to Notion's Series C ($275M). 6sense is at Series E while Notion is at Private — different points in their growth trajectory.

Team & Scale

Team sizes are in the same ballpark: 6sense has about 1500 people and Notion has around 2500. Both companies were founded in 2013. Both are based in United States.

Metrics Comparison

Metric6senseNotion
💰Valuation
$5.2B
$11BWINS
📈Total Funding
$426MWINS
$418M
📅Founded
2013
2013
🚀Stage
Series E
Private
👥Employees
1500
2500
🌍Country
United States
United States
🏷️Category
Enterprise AI
Enterprise AI
Awaira Score
80
91WINS

Key Differences

💰

Valuation gap: Notion is valued 2.1x higher ($11B vs $5.2B)

📈

Funding gap: 6sense has raised $8M more ($426M vs $418M)

🚀

Growth stage: 6sense is at Series E vs Notion at Private

👥

Team size: 6sense has 1500 employees vs Notion's 2500

⚔️

Direct competitors: Both operate in the Enterprise AI market segment

Awaira Score: Notion scores 91/100 vs 6sense's 80/100

Which Should You Choose?

Use these signals to make the right call

6sense logo

Choose 6sense if…

  • Stronger investor backing — raised $426M
  • 6sense is an enterprise artificial intelligence platform that uses predictive analytics and machine learning to identify and engage high-value sales opportunities
Notion logo

Choose Notion if…

Top Pick
  • Higher Awaira Score — 91/100 vs 80/100
  • More established by valuation ($11B)
  • Notion is a workspace productivity platform founded in 2013 that combines database management, document editing, and project management capabilities

Funding History

6sense raised $426M across 5 rounds. Notion raised $418M across 4 rounds.

6sense

Series E

Jan 2022

$200M

Series D

Mar 2021

$125M

Series C

Jan 2018

$50M

Series B

Jan 2016

$20M

Series A

Jan 2014

$10M

Notion

Series C

Oct 2021

Lead: Coatue Management

$275M

Series B

Apr 2020

Lead: Sequoia Capital

$50M

Series A

Jan 2017

Lead: Kleiner Perkins

$10M

Seed

Mar 2013

$2M

Investor Comparison

No shared investors detected between these two companies.

Unique to 6sense

Salesforce Ventures

Unique to Notion

Coatue ManagementSapphire VenturesTiger GlobalSequoia CapitalKleiner Perkins

Users Also Compare

FAQ — 6sense vs Notion

Is 6sense bigger than Notion?
By valuation, Notion is the larger company at $11B versus $5.2B — a 2.1x difference. Size can also be measured by team: 6sense employs 1500 people while Notion has 2500 employees.
Which company raised more funding — 6sense or Notion?
6sense has raised more in total funding at $426M, compared to Notion's $418M — a gap of $8M. Combined, the two companies have completed 9 known funding rounds.
Which company has a higher Awaira Score?
Notion leads with an Awaira Score of 91/100, while 6sense sits at 80/100. That 11-point gap reflects real differences in funding, scale, and traction — it's not a vanity metric.
Who founded 6sense vs Notion?
6sense was founded by Amanda Kahlow in 2013. Notion was founded by Ivan Zhao in 2013. Visit each company's profile on Awaira for a full founder biography.
What does 6sense do vs Notion?
6sense: 6sense is an enterprise artificial intelligence platform that uses predictive analytics and machine learning to identify and engage high-value sales opportunities. Founded in 2013, the company develops software that analyzes buyer behavior data, intent signals, and firmographic information to help B2B sales and marketing teams prioritize prospects and optimize revenue generation. The platform integrates with existing CRM systems and sales infrastructure to deliver insights about anonymous web visitors and purchasing intent before companies enter formal buying processes. 6sense operates in the competitive revenue intelligence and account-based marketing space, alongside competitors like Demandbase and ZoomInfo. The company utilizes first-party data collection, third-party data partnerships, and proprietary machine learning models to power its core functionality. Its customer base spans mid-market to enterprise organizations across technology, financial services, and other B2B sectors. With a valuation of $5.2 billion and $426 million in total funding as of its Series E stage, 6sense has achieved significant growth since inception. The company positions itself at the intersection of sales acceleration, marketing automation, and artificial intelligence, addressing the challenge of identifying qualified prospects in complex B2B buying cycles where multiple stakeholders influence purchasing decisions. 6sense combines anonymous web visitor tracking with AI-driven intent detection to help enterprise sales teams identify buying signals before traditional sales engagement. Notion: Notion is a workspace productivity platform founded in 2013 that combines database management, document editing, and project management capabilities. The company has evolved from a note-taking application into an all-in-one workspace that integrates AI features for content generation, summarization, and automation. Notion's core product allows users to create customizable databases, wikis, and workflow systems without requiring extensive coding knowledge. The platform serves individual users, small teams, and enterprises seeking centralized workspace solutions. Notion's AI capabilities assist with writing, editing, and task automation, positioning it within the enterprise AI category. The company competes with tools like Microsoft Teams, Asana, Monday.com, and Confluence, differentiating through flexible database architecture and extensive customization options. Notion has achieved a valuation of $11.0 billion as a private company with $418 million in total funding. The company generates revenue through subscription tiers and enterprise licensing. Notable adoption spans startups, creative agencies, and Fortune 500 companies managing documentation and project workflows. Notion's growth trajectory reflects increasing demand for integrated workspace solutions combining collaboration, AI, and data management capabilities. Notion's differentiation lies in its block-based architecture that allows users to build customized workspaces combining databases, documents, and AI assistance without technical expertise. Notion operates in the Enterprise AI sector and is headquartered in United States. Founded in 2013 by Ivan Zhao, Notion has raised $418M in total funding, achieving a valuation of $11B as of its latest round. The company's funding journey includes a Seed of $2M in 2013, a Series A of $10M in 2017, a Series B of $50M in 2020, a Series C of $275M in 2021. The most recent round was led by Coatue Management. With approximately 2500 employees, Notion has established itself as a Private-stage player in the Enterprise AI market. The company holds an Awaira Score of 91/100, reflecting its strong position across valuation, funding trajectory, team scale, and market influence. Notion competes in a rapidly evolving segment alongside other Enterprise AI companies. Based in United States, Notion is part of a growing international AI ecosystem attracting talent and investment. The Enterprise AI space has attracted significant investment in recent years, with companies racing to capture enterprise and consumer demand for AI-powered solutions.
Which company was founded first?
Both 6sense and Notion launched in 2013. Same year, but even a few months' head start matters in AI — early movers lock in data, talent, and customer relationships fast.
Which company has more employees?
6sense has about 1500 employees; Notion has about 2500. A bigger team usually means more revenue or heavier VC backing, but in AI, small teams can build at massive scale.
Are 6sense and Notion competitors?
Yes — they're direct rivals. Both 6sense and Notion compete in Enterprise AI, targeting many of the same buyers. If you're evaluating one, you should be looking at the other.

Bottom Line

Notion edges ahead with an Awaira Score of 91, but 6sense (80) isn't far behind. The gap is narrow enough that it could shift with the next funding round.

Who Should You Watch?

Notion has a slight edge on paper, but 6sense isn't far behind. The AI space moves fast — today's underdog can be tomorrow's category leader. Follow both profiles on Awaira to track funding rounds, team changes, and score updates.

Deep Dive