--- title: "OpenAI Codex vs Replit: Which is searched more?" description: "Is OpenAI Codex or Replit more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI coding agents 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/compare/openai-codex-vs-replit" publisher: "Brandwave" --- # OpenAI Codex vs Replit: Which is searched more? Is OpenAI Codex or Replit more popular in search? Compare estimated monthly branded-search demand and Share of Search inside the AI coding agents 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**: OpenAI Codex and Replit - **Competitive set**: AI coding agents - **Market**: Global - **Month measured**: Sep 2026 - **OpenAI Codex Share of Search**: 13.7% - **Replit Share of Search**: 21.1% ## Is OpenAI Codex or Replit more popular in search? - In September 2026, Replit had more branded searches than OpenAI Codex among AI coding agents worldwide. Replit had about 1.5 million branded searches, while OpenAI Codex had 992,000. Replit made up 21.1% of all AI coding agent searches we track, and OpenAI Codex accounted for 13.7%. - Replit was ahead of OpenAI Codex in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, OpenAI Codex’s share of searches among AI coding agents worldwide moved from 8% to 13.7%, and its estimated monthly branded searches moved from 386K to 992K. - Across the 12 months ending September 2026, Replit’s share of searches among AI coding agents worldwide moved from 25.6% to 21.1%, and its estimated monthly branded searches moved from 1.2M to 1.5M. ## Top AI coding agents in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, OpenAI Codex appeared in all five answers. Replit was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. OpenAI Codex was listed before Replit in every answer. Brands get a higher AI rank if they are mentioned earlier in the answers that list options. | Brand | AI rank | ChatGPT answers that named it | Google AI Overviews that named it | All answers that named it | | --- | --- | --- | --- | --- | | Claude Code | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Cursor | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | OpenAI Codex | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | GitHub Copilot | 4th | 3 of 3 | 1 of 2 | 4 of 5 | | Replit | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Devin | 5th | 1 of 3 | 0 of 2 | 1 of 5 | | Windsurf | Not ranked | 0 of 3 | 0 of 2 | 0 of 5 | ## Every AI answer about AI coding agents - Asked ChatGPT "Which AI coding agent should I use?": 1. Cursor, 2. Claude Code, 3. OpenAI Codex, 4. GitHub Copilot, 5. Replit - Asked ChatGPT "What are the best AI coding agents?": 1. Claude Code, 2. Cursor, 3. OpenAI Codex, 4. GitHub Copilot, 5. Devin - Asked ChatGPT "What's the best AI coding agent for code written and edited?": 1. Cursor, 2. Claude Code, 3. OpenAI Codex, 4. GitHub Copilot - Searched Google, AI Overview "ai coding agent": 1. Claude Code, 2. Cursor, 3. OpenAI Codex, 4. GitHub Copilot - Searched Google, AI Overview "agentic coding tool": 1. Claude Code, 2. Cursor, 3. OpenAI Codex Not named in any answer: Windsurf. Brands are listed in the order each answer named them. The answers were collected in the United States on October 20, 2026. ## How did search popularity change for AI coding agents worldwide in September 2026? - In September 2026, OpenAI Codex gained share of searches among AI coding agents worldwide, from 13.2% to 13.7%. - Replit’s share of searches among AI coding agents worldwide has gained ground for 3 months in a row, from 15.7% to 21.1% in September 2026. ## Month by month | Month | OpenAI Codex estimated searches | OpenAI Codex Share of Search | OpenAI Codex rank | Replit estimated searches | Replit Share of Search | Replit rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 386K | 8% | 5 | 1.2M | 25.6% | 1 | | Nov 2025 | 289K | 6.6% | 5 | 1M | 23.2% | 2 | | Dec 2025 | 245K | 5.4% | 5 | 1.2M | 27% | 2 | | Jan 2026 | 314K | 4.2% | 5 | 1.5M | 20.1% | 2 | | Feb 2026 | 1.1M | 11.5% | 3 | 1.5M | 16.3% | 2 | | Mar 2026 | 877K | 7% | 5 | 1.9M | 14.8% | 2 | | Apr 2026 | 1M | 8% | 5 | 1.9M | 14.3% | 2 | | May 2026 | 1.7M | 14.5% | 3 | 1.9M | 15.7% | 2 | | Jun 2026 | 1.1M | 11% | 3 | 1.5M | 15.7% | 2 | | Jul 2026 | 1.2M | 14.7% | 3 | 1.5M | 18.4% | 2 | | Aug 2026 | 960K | 13.2% | 3 | 1.5M | 21% | 2 | | Sep 2026 | 992K | 13.7% | 3 | 1.5M | 21.1% | 2 | ## How each brand is measured Brandwave collects information about searches that people make online using OpenAI Codex’s and Replit’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. - **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. - **Replit**: Measured on the search terms “replit” and “replit agent”, summed into one figure. - [OpenAI Codex profile](/demand/global-en/brands/openai-codex) - [Replit profile](/demand/global-en/brands/replit) - [All AI coding agents worldwide](/demand/global-en/categories/ai-coding-agents): The set both shares are measured inside, 7 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 OpenAI Codex or Replit more popular in search? In September 2026, Replit had more branded searches than OpenAI Codex among AI coding agents worldwide. Replit had about 1.5 million branded searches, while OpenAI Codex had 992,000. Replit made up 21.1% of all AI coding agent searches we track, and OpenAI Codex accounted for 13.7%. ## Cite this page Brandwave. "OpenAI Codex vs Replit: Which is searched more?". https://gobrandwave.com/demand/global-en/compare/openai-codex-vs-replit This page is also available as HTML at https://gobrandwave.com/demand/global-en/compare/openai-codex-vs-replit. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.