--- title: "Claude Code vs OpenAI Codex: Which is searched more?" description: "Is Claude Code 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/claude-code-vs-openai-codex" publisher: "Brandwave" --- # Claude Code vs OpenAI Codex: Which is searched more? Is Claude Code 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**: Claude Code and OpenAI Codex - **Competitive set**: AI coding assistants - **Market**: Global - **Month measured**: Sep 2026 - **Claude Code Share of Search**: 43.7% - **OpenAI Codex Share of Search**: 13.9% ## Is Claude Code or OpenAI Codex more popular in search? - In September 2026, Claude Code had more branded searches than OpenAI Codex among AI coding assistants worldwide. Claude Code had about 3.1 million branded searches, while OpenAI Codex had 992,000. Claude Code made up 43.7% of all AI coding assistant searches we track, and OpenAI Codex accounted for 13.9%. - Claude Code was ahead of OpenAI Codex in every measured month of the 12 months ending September 2026. - Across the 12 months ending September 2026, Claude Code’s share of searches among AI coding assistants worldwide moved from 24.9% to 43.7%, and its estimated monthly branded searches moved from 1.2M to 3.1M. - 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. ## Top AI coding assistants in ChatGPT and Google AI Overviews In three ChatGPT questions and two Google AI Overviews, Claude Code appeared in all five answers. OpenAI Codex was mentioned in three out of five: in all three ChatGPT answers, but not in either of the two Google AI Overviews. Claude Code was listed before OpenAI Codex in four out of five answers. 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 | | --- | --- | --- | --- | --- | | Cursor | 1st | 3 of 3 | 2 of 2 | 5 of 5 | | Claude Code | 2nd | 3 of 3 | 2 of 2 | 5 of 5 | | GitHub Copilot | 3rd | 3 of 3 | 2 of 2 | 5 of 5 | | OpenAI Codex | 4th | 3 of 3 | 0 of 2 | 3 of 5 | | Replit | 5th | 0 of 3 | 1 of 2 | 1 of 5 | | Windsurf | 6th | 1 of 3 | 1 of 2 | 2 of 5 | | Lovable | 7th | 0 of 3 | 1 of 2 | 1 of 5 | | Bolt | 8th | 0 of 3 | 1 of 2 | 1 of 5 | ## Every AI answer about AI coding assistants - Asked ChatGPT "Which AI coding assistant should I use?": 1. Cursor, 2. Claude Code, 3. OpenAI Codex, 4. GitHub Copilot - Asked ChatGPT "What are the best AI coding assistants?": 1. Cursor, 2. Claude Code, 3. GitHub Copilot, 4. OpenAI Codex, 5. Windsurf - Asked ChatGPT "What's the best AI coding assistant for help coding?": 1. Cursor, 2. OpenAI Codex, 3. Claude Code, 4. GitHub Copilot - Searched Google, AI Overview "ai coding assistant": 1. Cursor, 2. GitHub Copilot, 3. Claude Code, 4. Replit, 5. Lovable, 6. Bolt - Searched Google, AI Overview "programming ai assistant": 1. Cursor, 2. GitHub Copilot, 3. Claude Code, 4. 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 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%. - In September 2026, Claude Code gained share of searches among AI coding assistants worldwide, from 43.2% to 43.7%. ## Month by month | Month | Claude Code estimated searches | Claude Code Share of Search | Claude Code rank | OpenAI Codex estimated searches | OpenAI Codex Share of Search | OpenAI Codex rank | | --- | --- | --- | --- | --- | --- | --- | | Oct 2025 | 1.2M | 24.9% | 2 | 386K | 7.9% | 5 | | Nov 2025 | 1.2M | 28% | 1 | 289K | 6.5% | 5 | | Dec 2025 | 1.4M | 31.4% | 1 | 245K | 5.3% | 5 | | Jan 2026 | 3.9M | 50.9% | 1 | 314K | 4.1% | 5 | | Feb 2026 | 4.7M | 50.2% | 1 | 1.1M | 11.5% | 3 | | Mar 2026 | 7.1M | 56.8% | 1 | 877K | 7% | 5 | | Apr 2026 | 7.1M | 55% | 1 | 1M | 8% | 5 | | May 2026 | 5.8M | 48.7% | 1 | 1.7M | 14.5% | 3 | | Jun 2026 | 4.7M | 49.2% | 1 | 1.1M | 11% | 3 | | Jul 2026 | 3.8M | 46.2% | 1 | 1.2M | 14.6% | 3 | | Aug 2026 | 3.2M | 43.2% | 1 | 960K | 13.1% | 3 | | Sep 2026 | 3.1M | 43.7% | 1 | 992K | 13.9% | 3 | ## How each brand is measured Brandwave collects information about searches that people make online using Claude Code’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. - **Claude Code**: Measured on the search terms “anthropic claude code”, “Claude Code”, “claude code agents”, “claude code ai”, “claude code anthropic”, “claude code app”, “claude code cli”, “claude code desktop”, “claude code docs”, “claude code extension”, “claude code github”, “claude code mac”, “claude code mcp”, “claude code plugins”, “claude code skills”, “claude code vscode”, “claude code web”, “claude code windows”, “claude codes”, “claude coding”, “claude-code” and “claudecode”, 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. - [Claude Code profile](/demand/global-en/brands/claude-code) - [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 Claude Code or OpenAI Codex more popular in search? In September 2026, Claude Code had more branded searches than OpenAI Codex among AI coding assistants worldwide. Claude Code had about 3.1 million branded searches, while OpenAI Codex had 992,000. Claude Code made up 43.7% of all AI coding assistant searches we track, and OpenAI Codex accounted for 13.9%. ## Cite this page Brandwave. "Claude Code vs OpenAI Codex: Which is searched more?". https://gobrandwave.com/demand/global-en/categories/ai-coding-assistants/compare/claude-code-vs-openai-codex This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-coding-assistants/compare/claude-code-vs-openai-codex. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.