Brandwave

How popular isOpenAI Codex in search?

In August 2026, there were an estimated 4.4M branded searches for OpenAI Codex worldwide which is up 260.2% over the last 11 months. OpenAI Codex holds 35.9% estimated Share of Search among AI coding tools worldwide and is ranked 1st of 7 competitors for search popularity. Worldwide · English terms: these are worldwide searches for English-language branded terms.

Share of Search, August 2026
  1. OpenAI Codex35.9%
  2. Claude Code29.5%
  3. Cursor23.7%
  4. GitHub Copilot5.4%
  5. Windsurf3.7%
  6. Cline1.6%
  7. Factory0.2%
OpenAI Codex website (opens in a new tab)

Follow OpenAI Codex and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Which AI coding tools compete with OpenAI Codex?

OpenAI Codex against AI coding tools worldwide, by month

Share of Search by month for OpenAI Codex, Claude Code, Cursor, GitHub Copilot, Windsurf. The figures are in the table below the chart.

View monthly share of search table
MonthOpenAI CodexClaude CodeCursorGitHub CopilotWindsurfClineFactory
Oct 202516.4%18.5%40.6%12.6%9.6%1.8%0.47%
Nov 202513.8%19.8%42.9%11.1%10.2%1.9%0.4%
Dec 202511.9%23.9%42.2%11.3%8.7%1.6%0.36%
Jan 202611%40.9%33.1%7.8%5.6%1.2%0.26%
Feb 202622.1%39.2%25.8%7.3%4.5%1%0.16%
Mar 202617.9%45.2%23.8%7.9%4%0.92%0.2%
Apr 202623.5%40.9%22%8.8%3.7%0.85%0.19%
May 202632.5%34.9%19.6%7.5%4.5%0.88%0.16%
Jun 202631.5%31.3%25.3%6.4%4.3%1%0.2%
Jul 202638.3%30.8%20.7%4.8%4%1.1%0.19%
Aug 202635.9%29.5%23.7%5.4%3.7%1.6%0.2%
Sep 2026———————

  1. 1.OpenAI Codex

    35.9%

    held 1st · 4.4M estimated branded searches · -18.5% vs prior month · -2.4 points

  2. 2.Claude Code

    29.5%

    held 2nd · 3.6M estimated branded searches · -16.9% vs prior month · -1.4 points

  3. 3.Cursor

    23.7%

    held 3rd · 2.9M estimated branded searches · -0.65% vs prior month · +3 points

  4. 4.GitHub Copilot

    5.4%

    held 4th · 658K estimated branded searches · -3.8% vs prior month · +0.5 points

  5. 5.Windsurf

    3.7%

    held 5th · 458K estimated branded searches · -19.3% vs prior month · -0.3 points

  6. 6.Cline

    1.6%

    held 6th · 197K estimated branded searches · +22.9% vs prior month · +0.5 points

  7. 7.Factory

    0.2%

    held 7th · 25.1K estimated branded searches · -6.3% vs prior month · 0 points

Compare search popularity between OpenAI Codex and its closest rivals

How has branded search demand for OpenAI Codex changed worldwide over the last 12 months?

  • Across the 11 months ending August 2026, estimated monthly branded searches for OpenAI Codex worldwide rose from 1.2M to 4.4M.
  • Across the 11 months ending August 2026, OpenAI Codex’s estimated Share of Search among AI coding tools worldwide increased from 16.4% to 35.9%.
  • Across the 11 months ending August 2026, OpenAI Codex’s estimated Share of Search among AI coding tools worldwide peaked at 38.3% in July 2026 and was lowest at 11% in January 2026.
  • Across the 11 months ending August 2026, OpenAI Codex rose from 3rd to 1st among AI coding tools worldwide.

How did search popularity change for AI coding tools worldwide in August 2026?

  1. In August 2026, Cursor gained estimated Share of Search among AI coding tools worldwide, from 20.7% to 23.7%.

  2. In August 2026, GitHub Copilot gained estimated Share of Search among AI coding tools worldwide, from 4.8% to 5.4%.

  3. In August 2026, OpenAI Codex lost estimated Share of Search among AI coding tools worldwide, from 38.3% to 35.9%.

  4. In August 2026, Claude Code lost estimated Share of Search among AI coding tools worldwide, from 30.8% to 29.5%.

  5. Cline’s estimated Share of Search among AI coding tools worldwide has gained ground for 3 months in a row, from 0.88% to 1.6% in August 2026.

  6. Windsurf’s estimated Share of Search among AI coding tools worldwide has lost ground for 3 months in a row, from 4.5% to 3.7% in August 2026.

How is OpenAI Codex measured?

Brandwave collects information about searches that people make online using OpenAI Codex’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

28 branded search terms

  • ai codex
  • chatgpt codex
  • Codex
  • codex agent
  • codex ai
  • codex ai coding
  • codex app
  • codex chat gpt
  • codex chatgpt
  • codex cli
  • codex coding
  • codex desktop
  • codex extension
  • codex github
  • codex ide
  • codex mac
  • codex open ai
  • codex openai
  • codex pricing
  • codex vscode
  • open ai codex
  • openai codex
  • openai codex cli
  • openai codex download
  • openai codex github
  • openai codex pricing
  • openai's codex
  • openaicodex

How the Brand Demand Index is measured

Who owns OpenAI Codex?

OpenAI Codex is owned by OpenAI. Brandwave also tracks ChatGPT, owned by the same company, worldwide.

Do you work for OpenAI Codex? To request corrections or removal please contact us via our support page and we will be happy to assist.

Creator with pink hair and a pink jacket

Is OpenAI Codex your brand?

Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.

Start your marketing record