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>OpenPipe was acquired by CoreWeave in September 2025 for undisclosed terms.</li><li>OpenPipe operates as a B2B developer platform with a hybrid monetization model that combines usage-based infrastructure billing with enterprise software contracts.</li><li>OpenPipe&#39;s dedicated deployment tier, on-premises options, custom SLAs, and enterprise security configurations give it a path into sectors where multi-tenant SaaS is not viable.</li></ul>

OpenPipe was acquired by CoreWeave in September 2025 for undisclosed terms.OpenPipe operates as a B2B developer platform with a hybrid monetization model that combines usage-based infrastructure billing with enterprise software contracts.OpenPipe&#39;s dedicated deployment tier, on-premises options, custom SLAs, and enterprise security configurations give it a path into sectors where multi-tenant SaaS is not viable.

Cerebras Systems / Private Capital Markets

<ul><li>Since our last coverage, Cerebras postponed its IPO following regulatory questions about its UAE revenue concentration (G42 accounted for ~83% of 2023 revenue) and instead raised $1B from Fidelity and Tiger Global.</li><li>Cerebras&#39;s single-chip architecture loads entire AI models onto one chip with ~44GB of onboard memory, delivering inference ~10x faster than traditional multi-GPU setups—the company historically sold these as $2M hardware units to national labs, but launched a cloud inference API in summer 2024 that has since become the primary growth driver, serving customers like Perplexity, Notion, Windsurf, and Cognition on a pay-per-token basis.</li><li>Where selling $2M chips to national labs like Argonne and Livermore limited Cerebras to a small pool of state-backed research customers with long sales cycles and high revenue concentration, selling inference via API creates higher velocity and opens up the much larger market of AI startups and enterprises that want speed without buying and operating specialized hardware.</li></ul>

Since our last coverage, Cerebras postponed its IPO following regulatory questions about its UAE revenue concentration (G42 accounted for ~83% of 2023 revenue) and instead raised $1B from Fidelity and Tiger Global.Cerebras&#39;s single-chip architecture loads entire AI models onto one chip with ~44GB of onboard memory, delivering inference ~10x faster than traditional multi-GPU setups—the company historically sold these as $2M hardware units to national labs, but launched a cloud inference API in summer 2024 that has since become the primary growth driver, serving customers like Perplexity, Notion, Windsurf, and Cognition on a pay-per-token basis.Where selling $2M chips to national labs like Argonne and Livermore limited Cerebras to a small pool of state-backed research customers with long sales cycles and high revenue concentration, selling inference via API creates higher velocity and opens up the much larger market of AI startups and enterprises that want speed without buying and operating specialized hardware.

<ul><li>Sacra estimates Claude Code hit $400M in annualized revenue in July 2025, up 23x over the past three months alone.</li><li>With GPT-5, OpenAI is attacking Anthropic's supremacy in AI coding head-on with a model trained specifically for coding that 1) runs at 40-45% the average cost of Claude Sonnet 4 and 15% the cost of Opus 4.1 and 2) edges both on the SWE-bench coding benchmark.</li><li>Anthropic's answer to this cutthroat defection lies in Claude Code, its ChatGPT: an owned, high engagement destination client vertically integrated with its models that grew a Sacra-estimated 23x in the last 3 months alone, from ~$17.5M in April 2025 to $400M in July.</li></ul>

Sacra estimates Claude Code hit $400M in annualized revenue in July 2025, up 23x over the past three months alone.With GPT-5, OpenAI is attacking Anthropic's supremacy in AI coding head-on with a model trained specifically for coding that 1) runs at 40-45% the average cost of Claude Sonnet 4 and 15% the cost of Opus 4.1 and 2) edges both on the SWE-bench coding benchmark.Anthropic's answer to this cutthroat defection lies in Claude Code, its ChatGPT: an owned, high engagement destination client vertically integrated with its models that grew a Sacra-estimated 23x in the last 3 months alone, from ~$17.5M in April 2025 to $400M in July.

<ul><li>Sacra estimates that Vercel hit $172M ARR in in February 2025, up 80% YoY.</li><li>Vercel enables teams to deploy JS-based apps with minimal configuration—selling speed and simplicity through opinionated defaults—and monetizing through (1) usage-based pricing (compute, bandwidth, storage), (2) per-seat Pro ($20/month/seat) and Enterprise plans, and (3) a separate $20/month subscription for v0, its AI frontend builder.</li><li>The launch of Vercel’s AI app builder v0 in September 2023 caught the wave of AI app builders in 2024 and marked a key inflection point for Vercel, re-accelerating growth to 80% YoY and driving the company to a Sacra-estimated $172M in annual recurring revenue (ARR) by February 2025, up from ~$96M at the end of 2023.</li></ul>

Sacra estimates that Vercel hit $172M ARR in in February 2025, up 80% YoY.Vercel enables teams to deploy JS-based apps with minimal configuration—selling speed and simplicity through opinionated defaults—and monetizing through (1) usage-based pricing (compute, bandwidth, storage), (2) per-seat Pro ($20/month/seat) and Enterprise plans, and (3) a separate $20/month subscription for v0, its AI frontend builder.The launch of Vercel’s AI app builder v0 in September 2023 caught the wave of AI app builders in 2024 and marked a key inflection point for Vercel, re-accelerating growth to 80% YoY and driving the company to a Sacra-estimated $172M in annual recurring revenue (ARR) by February 2025, up from ~$96M at the end of 2023.

<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

United States

Workflow tool for fine-tuning LLMs using production prompts and user feedback

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OpenPipe (OPENPIPE US)

Primer: OpenPipe - 09 Mar 2026

Platform that trains and fine-tunes AI agents and large language models using reinforcement learning and fine-tuning tools for production deployment

Sacra

Cerebras Vs Nvidia

TL;DR: After UAE regulatory scrutiny stalled its IPO, Cerebras raised $1B and is diversifying revenue by selling cloud inference alongside...

Sacra

Anthropic's ChatGPT

TL;DR: OpenAI and Cursor have begun ganging up to challenge Anthropic's coding supremacy, but the launch of Claude Code has given Anthropic its own...

Sacra

$172M/year Heroku Of Vibe Coding

TL;DR: Starting as a platform-as-a-service for deploying & hosting modern JavaScript apps, Vercel has re-accelerated with the launch of its AI app...

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

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