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>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>Vibe coding is accelerating the output of both code and bugs, creating the need to get test coverage across new features faster and driving the rise of developer-native “vibe testing” tools like Momentic, Antithesis ($77M raised, Amplify Partners), QA Wolf ($56M raised, Inspired Capital) and Qodo ($50M raised, Susa Ventures) that translate natural language into code and bundle in test generation, auto-repair when the UI changes, and observability.</li><li>As writing end-to-end tests becomes faster and easier, it’s moving out of QA teams and into the entire engineering organization, turning testing from post-hoc validation to always-on developer infrastructure and creating the opportunity to merge together once-separate categories like CI test checks (GitLab), browser automation (BrowserStack), observability (Datadog) and QA outsourcing (Applause) into one unified platform for validating that software actually works.</li><li>One of our customers saw a 5x speed improvement in time to automate moving from Playwright to Momentic. We were able to see some very drastic reliability improvements moving from Cypress to Momentic as well.</li></ul>

Vibe coding is accelerating the output of both code and bugs, creating the need to get test coverage across new features faster and driving the rise of developer-native “vibe testing” tools like Momentic, Antithesis ($77M raised, Amplify Partners), QA Wolf ($56M raised, Inspired Capital) and Qodo ($50M raised, Susa Ventures) that translate natural language into code and bundle in test generation, auto-repair when the UI changes, and observability.As writing end-to-end tests becomes faster and easier, it’s moving out of QA teams and into the entire engineering organization, turning testing from post-hoc validation to always-on developer infrastructure and creating the opportunity to merge together once-separate categories like CI test checks (GitLab), browser automation (BrowserStack), observability (Datadog) and QA outsourcing (Applause) into one unified platform for validating that software actually works.One of our customers saw a 5x speed improvement in time to automate moving from Playwright to Momentic. We were able to see some very drastic reliability improvements moving from Cypress to Momentic as well.

Wei-Wei Wu, CEO Of Momentic, On AI-native end-to-end Testing

<ul><li>Sacra estimates Gamma hit $50M ARR in April 2025, up from $33M at the end of 2024.</li><li>Gamma monetizes via a freemium SaaS model with Plus ($10/user/month) and Pro ($20/user/month) tiers offering unlimited generations, custom domains, analytics, and premium templates, with conversion driven by usage-based credit caps on the free plan.</li><li>Sacra estimates Gamma reached $50M in ARR in April 2025, up from $33M at the end of 2024, with 20 million users.</li></ul>

Sacra estimates Gamma hit $50M ARR in April 2025, up from $33M at the end of 2024.Gamma monetizes via a freemium SaaS model with Plus ($10/user/month) and Pro ($20/user/month) tiers offering unlimited generations, custom domains, analytics, and premium templates, with conversion driven by usage-based credit caps on the free plan.Sacra estimates Gamma reached $50M in ARR in April 2025, up from $33M at the end of 2024, with 20 million users.

<ul><li>Three form factors for AI agents are emerging—browser-based &amp; mobile apps (ChatGPT, Claude, Perplexity) with easy distribution and app-level integrations, native apps with OS-level integrations & OS forks (Perplexity Assistant, Granola, Wafer) that unlock deeper awareness across a user’s apps and data but face distribution challenges, and purpose-built AI hardware devices (Friend, Rabbit) with novel interaction patterns.</li><li>OpenAI’s hardware projects and Perplexity’s new Android assistant are attacking the OS-level AI assistant layer where Google and Apple’s app store–based business models—built on developers giving up a 30% cut in exchange for distribution—make it structurally difficult for Google and Apple themselves to route users around apps entirely.</li><li>Android’s open ecosystem structure represents a huge opportunity for AI-first computing, with custom assistants (Perplexity), launchers (Microsoft Launcher), and full-on forks (Wafer, /dev/agents) potentially providing Samsung and the 96% of non-Google Android OEMs with the firepower to build the first AI-native smartphone experience.</li></ul>

Three form factors for AI agents are emerging—browser-based &amp; mobile apps (ChatGPT, Claude, Perplexity) with easy distribution and app-level integrations, native apps with OS-level integrations & OS forks (Perplexity Assistant, Granola, Wafer) that unlock deeper awareness across a user’s apps and data but face distribution challenges, and purpose-built AI hardware devices (Friend, Rabbit) with novel interaction patterns.OpenAI’s hardware projects and Perplexity’s new Android assistant are attacking the OS-level AI assistant layer where Google and Apple’s app store–based business models—built on developers giving up a 30% cut in exchange for distribution—make it structurally difficult for Google and Apple themselves to route users around apps entirely.Android’s open ecosystem structure represents a huge opportunity for AI-first computing, with custom assistants (Perplexity), launchers (Microsoft Launcher), and full-on forks (Wafer, /dev/agents) potentially providing Samsung and the 96% of non-Google Android OEMs with the firepower to build the first AI-native smartphone experience.

Sam Hall, CEO Of Wafer, On AI Agent Form Factors

<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.

United States

AI-native IDE for developers to write, edit, and debug code with LLMs

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
P/E	0.00
Dividend (Yield)	0.00

Cursor (CURSOR US)

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

Wei-Wei Wu, CEO Of Momentic, On AI-native end-to-end Testing

In short, what is Momentic...

Sacra

Gamma Vs Canva

TL;DR: As AI has taken over text, image & website generation, Gamma is bringing them all together in its vertically-integrated, vibe coding...

Sacra

Sam Hall, CEO Of Wafer, On AI Agent Form Factors

We’ve written about Granola, the desktop app that uses system audio to launch & record meetings and Rewind (now Limitless), the desktop app that...

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

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)