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 OpenAI hit $50B in annualized revenue in September 2026, up from $20B at the end of 2025.</li><li>On June 8, 2026, OpenAI filed confidentially with the SEC for an IPO targeting a valuation exceeding $1 trillion, with Goldman Sachs and Morgan Stanley leading the process.</li><li>OpenAI’s approximately $6.5B acquisition of io brought a dedicated hardware team into the company in July 2025, with Jony Ive and LoveFrom remaining independent design partners.</li></ul>

Sacra estimates that OpenAI hit $50B in annualized revenue in September 2026, up from $20B at the end of 2025.On June 8, 2026, OpenAI filed confidentially with the SEC for an IPO targeting a valuation exceeding $1 trillion, with Goldman Sachs and Morgan Stanley leading the process.OpenAI’s approximately $6.5B acquisition of io brought a dedicated hardware team into the company in July 2025, with Jony Ive and LoveFrom remaining independent design partners.

Data-driven Insight on Companies & Consumer Trends, TickerTrends

TickerTrends

Data-driven Insight on Companies & Consumer Trends

<ul><li>In 102 posts about Muse and competing tools, OpenAI was named most often (32 posts), followed by Google / Gemini (28) and Claude (15).</li><li>The posts show different levels of switching: 24 claimed a direct switch or reduced use of another tool, 6 expressed intent to switch, and 60 compared Muse with another tool on a task.</li><li>Some of those comparisons described choosing Muse for that task, even without claiming a broader switch. </li></ul>

In 102 posts about Muse and competing tools, OpenAI was named most often (32 posts), followed by Google / Gemini (28) and Claude (15).The posts show different levels of switching: 24 claimed a direct switch or reduced use of another tool, 6 expressed intent to switch, and 60 compared Muse with another tool on a task.Some of those comparisons described choosing Muse for that task, even without claiming a broader switch. 

Meta Muse: Switching Reports and Task Activity

Equity Bottom-Up

<ul><li>OpenAI’s public GitHub activity reached a new high in August 2026, with 3.96 million lines changed - up 119.5% month over month - and 3,543 commits, up 71.4%.</li><li>That made August OpenAI’s most active month in the observed period across both measures. OpenAI recorded approximately three times as many lines changed as Anthropic and 27% more commits during the month.</li><li>Anthropic also saw a meaningful increase in the size of its public code changes.</li></ul>

OpenAI’s public GitHub activity reached a new high in August 2026, with 3.96 million lines changed - up 119.5% month over month - and 3,543 commits, up 71.4%.That made August OpenAI’s most active month in the observed period across both measures. OpenAI recorded approximately three times as many lines changed as Anthropic and 27% more commits during the month.Anthropic also saw a meaningful increase in the size of its public code changes.

OpenAI’s Public GitHub Activity Hit a Record in August

<ul><li>OpenAI’s Codex is separating from Anthropic’s Claude Code in B2B adoption.</li><li>TickerTrends’ weighted trailing 12-month adoption data shows Codex reaching approximately 550% year-over-year growth in August, up from roughly 365% in May .</li><li>That represents a 183-point increase in its year-over-year adoption rate over the past three months.</li></ul>

OpenAI’s Codex is separating from Anthropic’s Claude Code in B2B adoption.TickerTrends’ weighted trailing 12-month adoption data shows Codex reaching approximately 550% year-over-year growth in August, up from roughly 365% in May .That represents a 183-point increase in its year-over-year adoption rate over the past three months.

Codex Pulls Ahead as B2B Adoption Accelerates

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OpenAI model mentions reached 13K/day, with GPT-5.6 representing 84% of current model-family mentions.
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GPT-5.6 reached 11K mentions/day, up 119.9% WoW and 300.9% MoM. Within the GPT-5.6 family, Sol leads at 3K/day, increasing 113.4% WoW and 76.5% MoM.
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Meanwhile, older model families have declined, with GPT-5.5 down 72.0% MoM and GPT-5.4 down 49.0% MoM.
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OpenAI model mentions reached 13K/day, with GPT-5.6 representing 84% of current model-family mentions.


GPT-5.6 reached 11K mentions/day, up 119.9% WoW and 300.9% MoM. Within the GPT-5.6 family, Sol leads at 3K/day, increasing 113.4% WoW and 76.5% MoM.


Meanwhile, older model families have declined, with GPT-5.5 down 72.0% MoM and GPT-5.4 down 49.0% MoM.



OpenAI and Anthropic Model Usage in GitHub Commits

United States

OpenAI, L.P. operates as a software company. The Company specializes in AI research and deployment that aims to ensure that artificial general intelligence benefits all of humanity. OpenAI serves customers worldwide.

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OpenAI (2193707D US)

Primer: OpenAI - 09 Oct 2026

AI research lab offering GPT models via API and ChatGPT for consumers

Sacra

Meta Muse: Switching Reports and Task Activity

TickerTrends tracks which tools people say they are leaving for Muse and what they are using it to do. In 102 posts about Muse and competing tools,...

TickerTrends

OpenAI’s Public GitHub Activity Hit a Record in August

OpenAI’s public GitHub activity reached a new high in August 2026, with 3.96 million lines changed - up 119.5% month over month - and 3,543...

TickerTrends

Codex Pulls Ahead as B2B Adoption Accelerates

TickerTrends’ weighted trailing 12-month adoption data shows Codex reaching approximately 550% year-over-year growth in August, up from roughly...

TickerTrends

OpenAI and Anthropic Model Usage in GitHub Commits

OpenAI model mentions reached 13K/day, with GPT-5.6 representing 84% of current model-family mentions. GPT-5.6 reached 11K mentions/day,...

TickerTrends

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