Comparison
Arize AI / Phoenix vs Langfuse
Where Arize AI / Phoenix and Langfuse rank on 7 published boards, and the latest sourced figure for each of 14 metrics.
Arize AI / Phoenix
company · arize.com
- Boards
- 7
- Figures
- 14
- Sources
- 1
- Mean confidence
- 100%
Langfuse
company · langfuse.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 | Arize AI / Phoenix | Langfuse | Ranks higher | As of |
|---|---|---|---|---|
| LLM observability platform rank | #3score 37.5 | #1score 50 | Langfuse | Oct 22, 2026 |
| LLM observability in Anthropic model API answers | #3score 25 | #1score 50 | Langfuse | Oct 22, 2026 |
| LLM observability citation share | #3score 16.22 | #1score 29.73 | Langfuse | Oct 22, 2026 |
| LLM observability engine breadth | #3score 3 | #1score 3 | Langfuse | Oct 22, 2026 |
| LLM observability in Gemini model API answers | #2score 62.5 | #3score 50 | Arize AI / Phoenix | Oct 22, 2026 |
| LLM observability in OpenAI model API answers | #2score 25 | #1score 50 | Langfuse | Oct 22, 2026 |
| LLM observability platform presence | #3score 25 | #1score 33.33 | Langfuse | Oct 22, 2026 |
Figures
The latest figure for each
14 sourced metrics, each with its confidence and source.
| Metric | Arize AI / Phoenix | Langfuse | As of |
|---|---|---|---|
| Public prompt benchmarkAnthropic citation share | 14.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 14.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkAnthropic mention coverage | 16.7%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkAnthropic recommendation-prompt presence | 25%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 50%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkCitation share | 16.2%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 29.7%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkEngine breadth | 3 engines100% confidence · Rank.ai LLM Observability Prompt Benchmark | 3 engines100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkGemini citation share | 0%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkGemini mention coverage | 41.7%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkGemini recommendation-prompt presence | 62.5%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 50%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkMention coverage | 25%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkOpenAI citation share | 23.8%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkOpenAI mention coverage | 16.7%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 33.3%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkOpenAI recommendation-prompt presence | 25%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 50%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkRecommendation-prompt presence | 37.5%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 50%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 2026 |
| Public prompt benchmarkReviewed-brand presence share | 18%100% confidence · Rank.ai LLM Observability Prompt Benchmark | 24%100% confidence · Rank.ai LLM Observability Prompt Benchmark | Oct 22, 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.