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Loading the latest published snapshot and its supporting evidence.
Loading the latest published snapshot and its supporting evidence.
Public recommendation prompt in the Rank.ai Vector Databases benchmark.
A current roll-up of published ranks, normalized facts, primary evidence, and entity relationships. No missing value is inferred.
| Metric | Value |
|---|---|
| public_prompt_insightsCross-engine brand disagreement | 28.33 percentderived |
| public_prompt_insightsDistinct citation URLs | 12 urlsmeasured |
| public_prompt_insightsDistinct reviewed brands surfaced | 5 brandsmeasured |
| public_prompt_insightsLeading-brand engine consensus | 100 percentderived |
| public_prompt_insightsLeading-brand owned-citation coverage | 100 percentderived |
| public_prompt_insightsLeading-brand owned-citation opportunity | 0 percentage_pointsderived |
| public_prompt_insightsReviewed-brand presence events | 12 presence_eventsmeasured |
| public_prompt_volatilityAbsolute consensus change | 0 percentage_pointsderived |
| public_prompt_volatilityAbsolute disagreement change | 5 percentage_pointsderived |
| public_prompt_volatilityLeading brand changed | 1 booleanderived |
| public_prompt_volatilityPrompt volatility index | 102.5 index_pointsderived |
Every currently published position, as of Aug 4, 2026 · 100% confidence.
| Rank | Leaderboard | Score | Movement | Method | Explain |
|---|---|---|---|---|---|
| #2 | Vector Databases Prompt Brand Leaders | 100 | 3 ranks gained | v2-parent-8f2516a7bd0dea82 | Explain Vector Databases Prompt Brand Leaders rank → |
| #12 | Vector Databases Engine Disagreement by Prompt | 28.33 | 1 ranks lost | v2-parent-8f2516a7bd0dea82 | Explain Vector Databases Engine Disagreement by Prompt rank → |
| #5 | Vector Databases Prompt Citation Opportunities | 0 | 3 |
Derives prompt-level brand leaders, cross-engine brand-set disagreement, and leading-brand owned-citation opportunity from the complete public Rank.ai benchmark cohort.
100% confidence · 100% component coverage · as of Aug 4, 2026, 12:00 AM UTC
All components available · 1 evidence record each
| Component | Value | Weight | Contribution |
|---|---|---|---|
| public prompt brand presence events | 12 | 0% | — |
| public prompt citation urls | 12 | 0% | — |
| public prompt distinct reviewed brands | 5 | 0% | — |
| public prompt engine disagreement | 28.333333 | 0% | — |
| public prompt leading brand consensus | 100 | 100% | 100 |
23 published observations for Recommend an open-source vector database that an engineering team can self-host in its own cloud account., all at 100% confidence. Open a row for the source, evidence location, extraction method, and quality state.
| Metric | Value | Kind | As of | Evidence |
|---|---|---|---|---|
| Distinct citation URLspublic-prompt-citation-urls | 12urls | measured | Aug 4, 2026 | View source
|
| Leading brand changedpublic-prompt-winner-changed | 1boolean | derived | Aug 4, 2026 | View source
|
| v2-parent-8f2516a7bd0dea82 |
| Explain Vector Databases Prompt Citation Opportunities rank → |
| #4 | Vector Databases Prompt Volatility | 102.5 | — | v1-parent-8f2516a7bd0dea82 | Explain Vector Databases Prompt Volatility rank → |
|---|
| public prompt leading brand owned citation coverage |
|---|
| 100 |
| 0% |
| — |
| public prompt leading brand owned citation gap | 0 | 0% | — |
|---|
{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","corpusVersion":"vector-database-platforms-2026-07-27","runArtifactIds":["e195c096-1ed9-4e1c-8568-0ff69cc6851e","899f58a5-f75b-44ad-a102-103449600fa9","a1a1d7c9-6218-46b0-8af2-1f1e9059c0a2"],"parentSnapshotId":"b124696f-f8e4-4b21-8539-c7fd45268eeb","providerMatrixVersion":"64232fd32583"}{"promptSlug":"best-open-source-self-hosted-vector-database","currentSnapshotId":"2865cfef-0f3e-47d9-aa9c-9d0d74c180b1","previousSnapshotId":"463956af-95ca-4e4d-99bf-6986f65ad873"}| Reviewed-brand presence eventspublic-prompt-brand-presence-events | 12presence_events | measured | Aug 4, 2026 | View source
|
|---|
| Leading-brand owned-citation opportunitypublic-prompt-leading-brand-owned-citation-gap | 0percentage_points | derived | Aug 4, 2026 | View source
|
|---|
| Absolute consensus changepublic-prompt-consensus-absolute-change | 0percentage_points | derived | Aug 4, 2026 | View source
|
|---|
| Leading-brand engine consensuspublic-prompt-leading-brand-consensus | 100percent | derived | Aug 4, 2026 | View source
|
|---|
| Distinct reviewed brands surfacedpublic-prompt-distinct-reviewed-brands | 5brands | measured | Aug 4, 2026 | View source
|
|---|
| Leading-brand owned-citation coveragepublic-prompt-leading-brand-owned-citation-coverage | 100percent | derived | Aug 4, 2026 | View source
|
|---|
| Absolute disagreement changepublic-prompt-disagreement-absolute-change | 5percentage_points | derived | Aug 4, 2026 | View source
|
|---|
| Prompt volatility indexpublic-prompt-volatility-index | 102.5index_points | derived | Aug 4, 2026 | View source
|
|---|
| Cross-engine brand disagreementpublic-prompt-engine-disagreement | 28.3333percent | derived | Aug 4, 2026 | View source
|
|---|
| Leading-brand owned-citation opportunitypublic-prompt-leading-brand-owned-citation-gap | 33.3333percentage_points | derived | Jul 27, 2026 | View source
|
|---|
| Cross-engine brand disagreementpublic-prompt-engine-disagreement | 23.3333percent | derived | Jul 27, 2026 | View source
|
|---|
| Distinct citation URLspublic-prompt-citation-urls | 15urls | measured | Jul 27, 2026 | View source
|
|---|
| Leading-brand engine consensuspublic-prompt-leading-brand-consensus | 100percent | derived | Jul 27, 2026 | View source
|
|---|
| Cross-engine brand disagreementpublic-prompt-engine-disagreement | 23.3333percent | derived | Jul 27, 2026 | View source
|
|---|
| Leading-brand engine consensuspublic-prompt-leading-brand-consensus | 100percent | derived | Jul 27, 2026 | View source
|
|---|
| Distinct reviewed brands surfacedpublic-prompt-distinct-reviewed-brands | 6brands | measured | Jul 27, 2026 | View source
|
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| Distinct citation URLspublic-prompt-citation-urls | 15urls | measured | Jul 27, 2026 | View source
|
|---|
| Reviewed-brand presence eventspublic-prompt-brand-presence-events | 15presence_events | measured | Jul 27, 2026 | View source
|
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| Reviewed-brand presence eventspublic-prompt-brand-presence-events | 15presence_events | measured | Jul 27, 2026 | View source
|
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| Distinct reviewed brands surfacedpublic-prompt-distinct-reviewed-brands | 6brands | measured | Jul 27, 2026 | View source
|
|---|
| Leading-brand owned-citation coveragepublic-prompt-leading-brand-owned-citation-coverage | 66.6667percent | derived | Jul 27, 2026 | View source
|
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