Stripe's AI tax: How usage-based pricing at $6.8B revenue defies SaaS gravity

The Gist

• Stripe hit $6.8B revenue in 2025 with 33% growth and 47% FCF margins
• Processes payments for AI labs like OpenAI, inheriting their explosive growth
• Take-rate model outperforms traditional SaaS contracts in AI economy
• Free cash flow grew 52% while revenue grew 33% in 2025

• Stripe's 2025 revenue hit $6.8 billion, growing 33% year-over-year, its fastest growth since 2021.
• Stripe's usage-based pricing model allows it to benefit from the rapid growth of AI-native companies, effectively 'taxing' the AI boom.
• Stripe's free cash flow surged 52% to $3.2 billion, with a 47% FCF margin, significantly higher than the median public B2B company.
• Stripe's Revenue suite (Billing, Invoicing, Tax, and Metronome) is on track for a $1 billion annual run rate in 2026, representing 15% of total revenue.
• Stripe's tender valuation of $159 billion reflects a premium due to its growth, cash conversion, and private status, offering a new model for B2B companies.
• Stripe's strategy of acquiring PayPal's consumer-facing assets highlights the importance of distribution and trust in building a sustainable competitive advantage.

• Consider adopting usage-based or revenue-share pricing models to align with the growth of AI-native companies.
• Focus on building a second revenue line with different pricing logic to defend against core take rate compression.
• Evaluate the potential of staying private and running periodic tenders as an alternative to an IPO, especially if generating significant cash flow.
• Invest in building distribution and trust as non-commoditizable assets that can provide long-term competitive advantage.

• $6.8 billion (Stripe's 2025 revenue)
• 33% (Year-over-year revenue growth in 2025)
• $3.2 billion (Free cash flow in 2025)
• 47% (Free cash flow margin in 2025)
• $1 billion (Annual run rate for Stripe's Revenue suite in 2026)
• $159 billion (Stripe's tender valuation in February 2026)