Comparison
Google Vertex AI Vector Search vs Weaviate
Where Google Vertex AI Vector Search and Weaviate rank on 7 published boards, and the latest sourced figure for each of 14 metrics.
Google Vertex AI Vector Search
company · cloud.google.com
- Boards
- 7
- Figures
- 14
- Sources
- 1
- Mean confidence
- 100%
Weaviate
company · weaviate.io
- 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 | Google Vertex AI Vector Search | Weaviate | Ranks higher | As of |
|---|---|---|---|---|
| Vector database platform rank | #8score 8.33 | #1score 45.83 | Weaviate | Sep 12, 2026 |
| Vector databases in Anthropic model API answers | #8score 0 | #1score 12.5 | Weaviate | Sep 12, 2026 |
| Vector database citation share | #7score 8.57 | #5score 8.57 | Weaviate | Sep 12, 2026 |
| Vector database engine breadth | #8score 2 | #1score 3 | Weaviate | Sep 12, 2026 |
| Vector databases in Gemini model API answers | #8score 25 | #1score 50 | Weaviate | Sep 12, 2026 |
| Vector databases in OpenAI model API answers | #11score 0 | #1score 75 | Weaviate | Sep 12, 2026 |
| Vector database platform presence | #8score 8.33 | #2score 30.56 | Weaviate | Sep 12, 2026 |
Figures
The latest figure for each
14 sourced metrics, each with its confidence and source.
| Metric | Google Vertex AI Vector Search | Weaviate | As of |
|---|---|---|---|
| Public prompt benchmarkAnthropic citation share | 0%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 0%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkAnthropic mention coverage | 0%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 8.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkAnthropic recommendation-prompt presence | 0%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 12.5%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkCitation share | 8.6%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 8.6%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkEngine breadth | 2 engines100% confidence · Rank.ai Vector Databases Prompt Benchmark | 3 engines100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkGemini citation share | 12.5%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 12.5%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkGemini mention coverage | 16.7%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 33.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkGemini recommendation-prompt presence | 25%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 50%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkMention coverage | 8.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 30.6%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkOpenAI citation share | 6.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 6.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkOpenAI mention coverage | 8.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 50%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkOpenAI recommendation-prompt presence | 0%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 75%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkRecommendation-prompt presence | 8.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 45.8%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 2026 |
| Public prompt benchmarkReviewed-brand presence share | 4.3%100% confidence · Rank.ai Vector Databases Prompt Benchmark | 15.9%100% confidence · Rank.ai Vector Databases Prompt Benchmark | Sep 12, 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.