Brandwave

How popular isOpenAI Codex?

In September 2026, people searched for OpenAI Codex by name about 260 times in New Zealand, a 33.3% decrease from the previous year. These searches made up 2% of all New Zealand AI coding assistant searches, placing OpenAI Codex seventh out of eight assistants. When we asked both ChatGPT and Google AI Overviews about AI coding assistants, OpenAI Codex appeared in three of the five answers and was the fourth most recommended of the eight.

Search and AI answers in September 2026

OpenAI Codex is the seventh most searched of 8 competitors and the fourth most recommended in AI answers.

  1. Claude CodeShare of searches 40.7%Mentioned in 5 of 5 AI answersPlace in AI recommendations 3rd
  2. ReplitShare of searches 28.4%Mentioned in 0 of 5 AI answersPlace in AI recommendations –
  3. GitHub CopilotShare of searches 12.2%Mentioned in 5 of 5 AI answersPlace in AI recommendations 2nd
  4. CursorShare of searches 7.9%Mentioned in 5 of 5 AI answersPlace in AI recommendations 1st
  5. OpenAI CodexShare of searches 2%Mentioned in 3 of 5 AI answersPlace in AI recommendations 4th

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Top AI coding assistants in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, OpenAI Codex was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. OpenAI Codex is the fourth most recommended of the eight.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Cursor1st
  2. GitHub Copilot2nd
  3. Claude Code3rd
  4. OpenAI Codex4th
  5. Windsurf5th
  6. Replit–
  7. Lovable–
  8. Bolt–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Claude Code5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • GitHub Copilot5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Cursor5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • OpenAI Codex3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Windsurf2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Replit0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Lovable0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Bolt0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about AI coding assistants

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.

Which AI coding assistants compete with OpenAI Codex?

OpenAI Codex against AI coding assistants in New Zealand, by month

Share of searches by month for Claude Code, Replit, GitHub Copilot, Cursor, Lovable, Bolt, OpenAI Codex. The figures are in the table below the chart.

View monthly share of searches table
MonthClaude CodeReplitGitHub CopilotCursorLovableBoltOpenAI CodexWindsurf
Oct 202523.3%30.6%15.9%12.3%7.3%5%3.1%2.4%
Nov 202525.4%33.4%14.5%13.7%6.2%3.2%1.5%2%
Dec 202526.4%34.8%14.1%10.1%6.3%3%3.5%1.8%
Jan 202648.3%22.7%11.8%7.3%5.2%1.9%1.6%1.2%
Feb 202647.6%22.1%12.3%7.6%4%1.7%3.5%1.2%
Mar 202654.5%17.2%13.3%7%3.8%1.1%2.2%0.88%
Apr 202651.9%16.1%17.6%6.5%4.3%0.98%1.7%0.88%
May 202647.6%18.3%16.6%7.4%6.2%1.3%1.5%1%
Jun 202645%21.1%13.5%10%5.8%1.4%1.8%1.4%
Jul 202643.8%20.4%13.6%7.8%7.6%1.7%3.9%1.2%
Aug 202642.2%24.3%12.4%9.7%6.1%2.5%1.7%1.2%
Sep 202640.7%28.4%12.2%7.9%5.6%2.1%2%1.2%
  1. Held 1st. 5.4K estimated branded searches, -18.2% vs prior month. Share -1.5 points.

  2. 2.Replit

    28.4%

    Held 2nd. 3.8K estimated branded searches, -1% vs prior month. Share +4 points.

  3. Held 3rd. 1.6K estimated branded searches, -16.5% vs prior month. Share -0.2 points.

  4. 4.Cursor

    7.9%

    Held 4th. 1.1K estimated branded searches, -30.9% vs prior month. Share -1.8 points.

  5. 5.Lovable

    5.6%

    Held 5th. 740 estimated branded searches, -22.1% vs prior month. Share -0.5 points.

  6. 6.Bolt

    2.1%

    Held 6th. 280 estimated branded searches, -28.2% vs prior month. Share -0.4 points.

  7. Held 7th. 260 estimated branded searches, 0% vs prior month. Share +0.3 points.

  8. 8.Windsurf

    1.2%

    Held 8th. 160 estimated branded searches, -11.1% vs prior month. Share +0.1 points.

Compare popularity between OpenAI Codex and its closest rivals

Every comparison with OpenAI Codex

7 comparisons

How has branded search demand for OpenAI Codex changed in New Zealand over the last 12 months?

3 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for OpenAI Codex in New Zealand fell from 390 to 260.
  • Across the 12 months ending September 2026, OpenAI Codex’s share of searches among AI coding assistants in New Zealand decreased from 3.1% to 2%.
  • Across the 12 months ending September 2026, OpenAI Codex’s share of searches among AI coding assistants in New Zealand peaked at 3.9% in July 2026 and was lowest at 1.5% in November 2025.

How did search popularity change for New Zealand AI coding assistants in September 2026?

6 changes
  1. In September 2026, Replit gained share of searches among AI coding assistants in New Zealand, from 24.3% to 28.4%.

  2. In September 2026, Cursor lost share of searches among AI coding assistants in New Zealand, from 9.7% to 7.9%.

  3. In September 2026, Claude Code lost share of searches among AI coding assistants in New Zealand, from 42.2% to 40.7%.

  4. Estimated monthly branded searches for Bolt in New Zealand fell 54.8% over 12 measured months, from 620 to 280 in September 2026.

  5. Estimated monthly branded searches for Windsurf in New Zealand fell 46.7% over 12 measured months, from 300 to 160 in September 2026.

  6. Estimated monthly branded searches for OpenAI Codex in New Zealand fell 33.3% over 12 measured months, from 390 to 260 in September 2026.

How are OpenAI Codex’s branded searches counted?

1 search term

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

  • openai codex

How the Brand Demand Index is measured

Who owns OpenAI Codex?

OpenAI Codex is owned by OpenAI. Brandwave also tracks ChatGPT and Sora, owned by the same company, in New Zealand.

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.

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Is OpenAI Codex your brand?

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