Comparison
Claude Code vs OpenAI Codex
Where Claude Code and OpenAI Codex rank on 7 published boards, and the latest sourced figure for each of 14 metrics.
Claude Code
company · anthropic.com
- Boards
- 7
- Figures
- 14
- Sources
- 1
- Mean confidence
- 100%
OpenAI Codex
company · openai.com
- Boards
- 7
- Figures
- 14
- Sources
- 1
- Mean confidence
- 100%
Ranks
Where each ranks
7 published boards across the pair. The higher rank on a shared board is amber.
| Board | Claude Code | OpenAI Codex | Ranks higher | As of |
|---|---|---|---|---|
| AI developer tool rank | #1score 41.67 | #4score 25 | Claude Code | Sep 16, 2026 |
| Developer tools in Anthropic model API answers | #1score 12.5 | #6score 0 | Claude Code | Sep 16, 2026 |
| AI developer tool citation share | #3score 7.69 | #4score 7.69 | Claude Code | Sep 16, 2026 |
| AI developer tool engine breadth | #1score 3 | #6score 2 | Claude Code | Sep 16, 2026 |
| Developer tools in Gemini model API answers | #1score 50 | #4score 37.5 | Claude Code | Sep 16, 2026 |
| Developer tools in OpenAI model API answers | #1score 62.5 | #3score 37.5 | Claude Code | Sep 16, 2026 |
| AI developer tool presence | #1score 33.33 | #4score 22.22 | Claude Code | Sep 16, 2026 |
Figures
The latest figure for each
14 sourced metrics, each with its confidence and source.
| Metric | Claude Code | OpenAI Codex | As of |
|---|---|---|---|
| Public prompt benchmarkAnthropic citation share | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkAnthropic mention coverage | 8.3%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkAnthropic recommendation-prompt presence | 12.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkCitation share | 7.7%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 7.7%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkEngine breadth | 3 engines100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 2 engines100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkGemini citation share | 12.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 12.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkGemini mention coverage | 41.7%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 33.3%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkGemini recommendation-prompt presence | 50%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 37.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkMention coverage | 33.3%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 22.2%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkOpenAI citation share | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 0%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkOpenAI mention coverage | 50%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 33.3%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkOpenAI recommendation-prompt presence | 62.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 37.5%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkRecommendation-prompt presence | 41.7%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 25%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
| Public prompt benchmarkReviewed-brand presence share | 20.3%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | 13.6%100% confidence · Rank.ai AI Developer Tools Prompt Benchmark | Sep 16, 2026 |
See how often AI names you.
Enter your website. In about two minutes, Rank.ai asks ChatGPT, Claude and Gemini 12 questions your customers ask and grades how often they name you.
- Your grade out of 100How often AI names you, cites your site, and how high it ranks you.
- Who gets namedEvery competitor in the answers, most named first.
- The pages AI readsThe sources behind each answer.
- Three fixesWhat to fix first, with a brief for the first article.