OpenAI Codex vs Replit:Which is more popular?
In September 2026, Replit had more branded searches than OpenAI Codex among AI coding assistants in New Zealand. Replit had about 3,770 branded searches, while OpenAI Codex had 260. Replit made up 28.4% of all AI coding assistant searches we track, and OpenAI Codex accounted for 2%. When we asked ChatGPT and Google AI Overviews about AI coding assistants, OpenAI Codex appeared in three of the five answers and Replit in none.
Who do people search for more?
Replit, about 15 searches for every 1 for OpenAI Codex
Who does AI mention more?
OpenAI Codex, mentioned in 3 of 5 answers, Replit in 0
Who does AI recommend more?
OpenAI Codex, the only one of the two named
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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. Replit did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Cursor1st
GitHub Copilot2nd
Claude Code3rd- OpenAI Codex4th
Windsurf5th- Replit–
Lovable–
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
Asked ChatGPT
“Which AI coding assistant should I use in New Zealand?”
Asked ChatGPT
“What are the best AI coding assistants in New Zealand?”
Asked ChatGPT
“What's the best AI coding assistant in New Zealand for software development?”
Searched Google, AI Overview
“ai coding assistant”
Searched Google, AI Overview
“ai pair programming”
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is OpenAI Codex or Replit more popular in search?
This chart shows how often people search Google for OpenAI Codex and Replit by name. Each line represents a brand's share of searches for all eight AI coding assistants we track, month by month, from searches in New Zealand.
Share of searches by month for Replit, OpenAI Codex. The figures are in the table below the chart.
View monthly share of searches table
| Month | Claude Code | Replit | GitHub Copilot | Cursor | Lovable | Bolt | OpenAI Codex | Windsurf |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 23.3% | 30.6% | 15.9% | 12.3% | 7.3% | 5% | 3.1% | 2.4% |
| Nov 2025 | 25.4% | 33.4% | 14.5% | 13.7% | 6.2% | 3.2% | 1.5% | 2% |
| Dec 2025 | 26.4% | 34.8% | 14.1% | 10.1% | 6.3% | 3% | 3.5% | 1.8% |
| Jan 2026 | 48.3% | 22.7% | 11.8% | 7.3% | 5.2% | 1.9% | 1.6% | 1.2% |
| Feb 2026 | 47.6% | 22.1% | 12.3% | 7.6% | 4% | 1.7% | 3.5% | 1.2% |
| Mar 2026 | 54.5% | 17.2% | 13.3% | 7% | 3.8% | 1.1% | 2.2% | 0.88% |
| Apr 2026 | 51.9% | 16.1% | 17.6% | 6.5% | 4.3% | 0.98% | 1.7% | 0.88% |
| May 2026 | 47.6% | 18.3% | 16.6% | 7.4% | 6.2% | 1.3% | 1.5% | 1% |
| Jun 2026 | 45% | 21.1% | 13.5% | 10% | 5.8% | 1.4% | 1.8% | 1.4% |
| Jul 2026 | 43.8% | 20.4% | 13.6% | 7.8% | 7.6% | 1.7% | 3.9% | 1.2% |
| Aug 2026 | 42.2% | 24.3% | 12.4% | 9.7% | 6.1% | 2.5% | 1.7% | 1.2% |
| Sep 2026 | 40.7% | 28.4% | 12.2% | 7.9% | 5.6% | 2.1% | 2% | 1.2% |
How has the OpenAI Codex and Replit comparison changed over the last 12 months?
3 findings
- 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 assistants in New Zealand moved from 3.1% to 2%, and its estimated monthly branded searches moved from 390 to 260.
- Across the 12 months ending September 2026, Replit’s share of searches among AI coding assistants in New Zealand moved from 30.6% to 28.4%, and its estimated monthly branded searches held steady at 3.8K.
How did search popularity change for New Zealand AI coding assistants in September 2026?
2 changes
In September 2026, Replit gained share of searches among AI coding assistants in New Zealand, from 24.3% to 28.4%.
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 branded searches counted?
5 search terms
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
1 branded search term
- openai codex
Replit
4 branded search terms
- replit
- replit ai
- replit app
- replit ide
Other head-to-heads among AI coding assistants
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