6sense vs Glean

By valuation, 6sense is the larger company at $5.2B versus $4.6B — a 1.1x difference. Size can also be measured by team: 6sense employs 1500 people while Glean has 500 employees.

Glean has raised more in total funding at $600M, compared to 6sense's $426M — a gap of $174M. Combined, the two companies have completed 10 known funding rounds.

Glean holds the higher Awaira Score at 82/100, compared to 6sense's 80/100. The Awaira Score is a composite metric factoring in valuation, funding, stage, team size, and market presence — a 2-point gap that reflects meaningful differences in scale or traction.

6sense was founded by Amanda Kahlow in 2013. Glean was founded by Arvind Jain in 2019. Visit each company's profile on Awaira for a full founder biography.

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. Glean: Glean is an enterprise AI search and discovery platform founded in 2019 that helps organizations extract actionable insights from internal data. The company operates in the enterprise AI category, providing AI-powered search capabilities across fragmented corporate information systems including documents, emails, chat messages, and databases. Glean's core technology uses machine learning to understand context and intent, enabling employees to find relevant information and answers across previously disconnected data sources. The platform serves large enterprises seeking to improve productivity and knowledge accessibility. Glean competes in the growing enterprise search and generative AI market alongside companies like Perplexity and traditional search providers adapting to AI. The company has raised $600 million across multiple funding rounds, reaching a valuation of $4.6 billion as of its Series E stage. This funding positions Glean among well-capitalized AI startups addressing enterprise information retrieval challenges. The company targets mid-to-large organizations where data silos and information discovery present operational inefficiencies. Glean's growth trajectory reflects broader enterprise adoption of AI-powered search solutions as organizations increasingly prioritize knowledge worker productivity and unified information access across their technology stacks. Glean specializes in enterprise-specific AI search that unifies fragmented internal data sources rather than external web indexing.

6sense was founded first in 2013, giving it 6 years of additional market experience. Glean was founded later in 2019. In AI, even a year or two of head start can translate into significantly more training data, customer relationships, and institutional knowledge.

6sense has approximately 1500 employees, while Glean has approximately 500. A larger team often signals higher revenue or venture backing, but in AI, smaller teams are increasingly capable of building at scale.

Yes, 6sense and Glean are direct competitors — both operate in the Enterprise AI space and likely target overlapping customer segments. This comparison is especially relevant for buyers evaluating both platforms.