--- title: "GitHub Copilot vs OpenAI Codex: Which is searched more?" description: "Is GitHub Copilot or OpenAI Codex more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI coding assistants set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time." canonical: "https://gobrandwave.com/demand/global-en/categories/ai-coding-assistants/compare/github-copilot-vs-openai-codex" publisher: "Brandwave" --- # GitHub Copilot vs OpenAI Codex: Which is searched more? Is GitHub Copilot or OpenAI Codex more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI coding assistants set worldwide. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time. ## Key facts - **Compared**: GitHub Copilot and OpenAI Codex - **Competitive set**: AI coding assistants - **Market**: Global - **Month measured**: Sep 2026 - **GitHub Copilot Share of Search**: 8.2% - **OpenAI Codex Share of Search**: 13.9% ## Is GitHub Copilot or OpenAI Codex more popular in search? - In September 2026, OpenAI Codex had more branded searches than GitHub Copilot among AI coding assistants worldwide. OpenAI Codex had about 992,000 branded searches, while GitHub Copilot had 583,000. OpenAI Codex made up 13.9% of all AI coding assistant searches we track, and GitHub Copilot accounted for 8.2%. - The lead changed hands 3 times in the 12 months ending September 2026: OpenAI Codex took it in February 2026, GitHub Copilot took it in March 2026, OpenAI Codex took it in May 2026. - Across the 12 months ending September 2026, GitHub Copilot’s share of searches among AI coding assistants worldwide moved from 17.1% to 8.2%, and its estimated monthly branded searches moved from 832K to 583K. - Across the 12 months ending September 2026, OpenAI Codex’s share of searches among AI coding assistants worldwide moved from 7.9% to 13.9%, and its estimated monthly branded searches moved from 386K to 992K. ## How did search popularity change for AI coding assistants worldwide in September 2026? - In September 2026, OpenAI Codex gained share of searches among AI coding assistants worldwide, from 13.1% to 13.9%. - Estimated monthly branded searches for GitHub Copilot worldwide fell 29.9% over 12 measured months, from 832K to 583K in September 2026. ## Month by month | Month | GitHub Copilot estimated searches | GitHub Copilot Share of Search | GitHub Copilot rank | OpenAI Codex estimated searches | OpenAI Codex Share of Search | OpenAI Codex rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 832K | 17.1% | 4 | 386K | 7.9% | 5 | | Nov 2025 | 690K | 15.6% | 4 | 289K | 6.5% | 5 | | Dec 2025 | 677K | 14.7% | 4 | 245K | 5.3% | 5 | | Jan 2026 | 712K | 9.3% | 4 | 314K | 4.1% | 5 | | Feb 2026 | 856K | 9.1% | 5 | 1.1M | 11.5% | 3 | | Mar 2026 | 1.3M | 10% | 3 | 877K | 7% | 5 | | Apr 2026 | 1.5M | 11.6% | 3 | 1M | 8% | 5 | | May 2026 | 1.2M | 10.2% | 4 | 1.7M | 14.5% | 3 | | Jun 2026 | 880K | 9.1% | 5 | 1.1M | 11% | 3 | | Jul 2026 | 587K | 7.1% | 5 | 1.2M | 14.6% | 3 | | Aug 2026 | 575K | 7.9% | 5 | 960K | 13.1% | 3 | | Sep 2026 | 583K | 8.2% | 5 | 992K | 13.9% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using GitHub Copilot’s and OpenAI Codex’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading. - **GitHub Copilot**: Measured on the search terms “copilot github”, “copilot vscode”, “git copilot”, “GitHub Copilot”, “github copilot agent”, “github copilot ai”, “github copilot app”, “github copilot business”, “github copilot certification”, “github copilot cli”, “github copilot enterprise”, “github copilot extension”, “github copilot intellij”, “github copilot pro”, “github copilot vscode”, “github copilots”, “microsoft github copilot”, “vscode copilot” and “vscode github copilot”, summed into one figure. - **OpenAI Codex**: Measured on the search terms “ai codex”, “chatgpt codex”, “codex agent”, “codex ai”, “codex ai coding”, “codex app”, “codex chatgpt”, “codex cli”, “codex coding”, “codex desktop”, “codex extension”, “codex github”, “codex ide”, “codex mac”, “codex open ai”, “codex openai”, “codex vscode”, “open ai codex”, “openai codex”, “openai codex cli”, “openai codex github”, “openai's codex” and “openaicodex”, summed into one figure. - [GitHub Copilot profile](/demand/global-en/brands/github-copilot) - [OpenAI Codex profile](/demand/global-en/brands/openai-codex) - [All AI coding assistants worldwide](/demand/global-en/categories/ai-coding-assistants): The set both shares are measured inside, 8 brands. ## Methodology - [How is the Brand Demand Index measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused. ## Frequently asked questions ### Is GitHub Copilot or OpenAI Codex more popular in search? In September 2026, OpenAI Codex had more branded searches than GitHub Copilot among AI coding assistants worldwide. OpenAI Codex had about 992,000 branded searches, while GitHub Copilot had 583,000. OpenAI Codex made up 13.9% of all AI coding assistant searches we track, and GitHub Copilot accounted for 8.2%. ## Cite this page Brandwave. "GitHub Copilot vs OpenAI Codex: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/ai-coding-assistants/compare/github-copilot-vs-openai-codex This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-coding-assistants/compare/github-copilot-vs-openai-codex. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.