Private Markets, Angel and Secondary Investing, Sacra

Sacra

Private Markets, Angel and Secondary Investing

Bringing transparency to private markets so investors, founders, and employees can build on conviction. Sacra delivers deeply researched insights on the private companies shaping tomorrow's markets. By surfacing the data, context, and operator perspective that are missing from private markets today, we help secondary buyers and sellers price equity accurately and unlock liquidity for the people building these businesses.

Private Capital Markets

<ul><li>Sacra estimates that OpenRouter hit $5M in annualized revenue in May 2025, on $100M in GMV, up from $1M in annualized revenue at the end of 2024.</li><li>OpenRouter customers buy tokens for inference that get spent across various providers like OpenAI and Anthropic, with tokens marked up roughly 5%—with the value prop for developers being faster setup, a simpler integration experience, and the ability to abstract away the complexity of model selection, with one API, one dashboard for usage & billing, and cost savings from automatically down-shifting to cheaper models when possible.</li><li>The explosion of AI models across 60+ providers and 400+ model variants is making OpenRouter core infrastructure for connecting AI apps to models.</li></ul>

Sacra estimates that OpenRouter hit $5M in annualized revenue in May 2025, on $100M in GMV, up from $1M in annualized revenue at the end of 2024.OpenRouter customers buy tokens for inference that get spent across various providers like OpenAI and Anthropic, with tokens marked up roughly 5%—with the value prop for developers being faster setup, a simpler integration experience, and the ability to abstract away the complexity of model selection, with one API, one dashboard for usage & billing, and cost savings from automatically down-shifting to cheaper models when possible.The explosion of AI models across 60+ providers and 400+ model variants is making OpenRouter core infrastructure for connecting AI apps to models.

<ul><li>After the September 2024 launch of Replit Agent, revenue growth took off, with Sacra estimating that Replit hit $70M in ARR in April 2025, up 2,493% YoY from $2.7M in April 2024.</li><li>Hitting 20M total users by 2023, Replit’s ARR grew from just $1M in 2022 to $2.4M in 2023—reflecting the challenges of monetizing non-professional developers—with its progressive bundling of collaboration, databases &amp; version control giving it inroads into the rising class of software creators (non-professional developers that monetize the ability to code) and professional use cases (e.g., interviewing).</li><li>Revenue growth took off with the launch of Replit Agent in September 2024—layering an AI code generator on top of their existing IDE and deployment infra ala Vercel to enable one-click publishing—with Sacra estimating that Replit grew from $2.7M in April 2024 to $70M ARR in April 2025, up 2,493% YoY.</li></ul>

After the September 2024 launch of Replit Agent, revenue growth took off, with Sacra estimating that Replit hit $70M in ARR in April 2025, up 2,493% YoY from $2.7M in April 2024.Hitting 20M total users by 2023, Replit’s ARR grew from just $1M in 2022 to $2.4M in 2023—reflecting the challenges of monetizing non-professional developers—with its progressive bundling of collaboration, databases &amp; version control giving it inroads into the rising class of software creators (non-professional developers that monetize the ability to code) and professional use cases (e.g., interviewing).Revenue growth took off with the launch of Replit Agent in September 2024—layering an AI code generator on top of their existing IDE and deployment infra ala Vercel to enable one-click publishing—with Sacra estimating that Replit grew from $2.7M in April 2024 to $70M ARR in April 2025, up 2,493% YoY.

<ul><li>Windsurf, launched out of the AI research company Codeium, is a VS Code–based development environment with agentic editing tools and chat-driven workflows that let developers write, refactor, and deploy code using natural language.</li><li>Windsurf is the #2 AI-native IDE at $40M ARR as of February 2025, roughly 5x smaller than Cursor, which hit $200M ARR in March 2025 after doubling from $100M at the end of 2024—OpenAI’s $3B offer for Windsurf values it at about 75x ARR vs. Cursor’s 50x forward, showing how aggressively it's moving to close the gap.</li><li>Buying Windsurf jumpstarts OpenAI’s push into coding tools with an existing IDE that supports million-line codebases and streams 100B+ daily code-edit tokens—high-quality RLHF data that reduces its reliance on vendors like Scale and strengthens its position in coding alignment vs. Anthropic.</li></ul>

Windsurf, launched out of the AI research company Codeium, is a VS Code–based development environment with agentic editing tools and chat-driven workflows that let developers write, refactor, and deploy code using natural language.Windsurf is the #2 AI-native IDE at $40M ARR as of February 2025, roughly 5x smaller than Cursor, which hit $200M ARR in March 2025 after doubling from $100M at the end of 2024—OpenAI’s $3B offer for Windsurf values it at about 75x ARR vs. Cursor’s 50x forward, showing how aggressively it's moving to close the gap.Buying Windsurf jumpstarts OpenAI’s push into coding tools with an existing IDE that supports million-line codebases and streams 100B+ daily code-edit tokens—high-quality RLHF data that reduces its reliance on vendors like Scale and strengthens its position in coding alignment vs. Anthropic.

<ul><li>Sacra estimates that Cursor hit $200M ARR in March 2025, up from $100M at the end of 2024.</li><li>Sacra estimates that Cursor doubled its ARR from $100M to $200M in just three months, maintaining its hypergrowth with a 100% quarter-over-quarter growth rate.</li><li>By making Agent Mode the default interface, adding the ability to run multiple parallel agents, and layering in autonomous terminal access and web search, Cursor is accelerating its shift from an AI-augmented IDE to a semi-autonomous agentic environment.</li></ul>

Sacra estimates that Cursor hit $200M ARR in March 2025, up from $100M at the end of 2024.Sacra estimates that Cursor doubled its ARR from $100M to $200M in just three months, maintaining its hypergrowth with a 100% quarter-over-quarter growth rate.By making Agent Mode the default interface, adding the ability to run multiple parallel agents, and layering in autonomous terminal access and web search, Cursor is accelerating its shift from an AI-augmented IDE to a semi-autonomous agentic environment.

<ul><li>Sacra estimates that Lovable reached $17M ARR by February 2025, growing 143% in just two months from $7M at the end of 2024.</li><li>We first covered Lovable at $7M ARR in January 2025 when it had just rebranded from GPT Engineer, a command-line app builder that had become one of GitHub's fastest-growing open source projects, to a GUI-based AI app building platform orchestrating multiple LLMs.</li><li>With over 1.2 million apps built since launch and 4,000+ instances continuously hosted on fly.io, Lovable is deepening its integrations with third-party services like Supabase for databases, Clerk for authentication, and GitHub for code storage, further cementing its position in the "vibe coding" ecosystem where AI app builders offer end-to-end solutions through partnerships with specialized API-centric infrastructure providers.</li></ul>

Sacra estimates that Lovable reached $17M ARR by February 2025, growing 143% in just two months from $7M at the end of 2024.We first covered Lovable at $7M ARR in January 2025 when it had just rebranded from GPT Engineer, a command-line app builder that had become one of GitHub's fastest-growing open source projects, to a GUI-based AI app building platform orchestrating multiple LLMs.With over 1.2 million apps built since launch and 4,000+ instances continuously hosted on fly.io, Lovable is deepening its integrations with third-party services like Supabase for databases, Clerk for authentication, and GitHub for code storage, further cementing its position in the "vibe coding" ecosystem where AI app builders offer end-to-end solutions through partnerships with specialized API-centric infrastructure providers.

United States

AI-powered coding tool for autocompletion, code review, and error detection across IDEs

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Codeium (CODEIUM US)

OpenRouter At $100M GMV

TL;DR: As developers move from wrapping single LLMs to stitching together multiple models, OpenRouter has emerged as the universal LLM...

Sacra

Replit At $70M ARR

TL;DR: Replit’s multiplayer browser IDE (2016) grew to tens of millions of users but with no clear path to monetization at scale. After the...

Sacra

Why OpenAI Wants Windsurf

TL;DR: OpenAI’s reported $3B bid for Windsurf underscores a shift from API monetization to vertically integrated full-stack products as labs race...

Sacra

Cursor At $200M ARR

TL;DR: All the AI-native dev tools players—Cursor, Devin, Windsurf, Anthropic—are converging on a unified vision of human vibe coding augmented by...

Sacra

Lovable At $17M ARR

TL;DR: Swedish AI app builder Lovable has accelerated to become a major player in the "vibe coding" ecosystem with a series of new features that...

Sacra

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