The leading reviewed brand for every public prompt, with cross-engine consensus and complete bounded evidence.
AI API brands prompt Volatility
20 prompts ranked by prompt volatility index.
Compare hosted model platforms for observability and production controls. is out in front at 150 index_points.
20 promptschecked Sep 10, 2026, 12:00 AM UTCdailyhow we measure this →CSV / JSON
Compare hosted model platforms for observability and production controls.
150 index_pointsprompt volatility index
- Ahead of second place
- 15.2
- Held by the top three
- 42%
- Middle of the board
- 7.5
- Below half the leader
- 13 of 20
Compare hosted model platforms for observability and production controls.
Ranks reviewed prompts by changed leaders and absolute movement between comparable cross-day snapshots.
- Published rank
- #1
- Score
- 150 index_points
- Sample size
- 2
100% confidence · 100% component coverage · as of Sep 10, 2026, 12:00 AM UTC
Component ledger
All components available · 1 evidence record each
| Component | Value | Weight | Contribution |
|---|---|---|---|
| public prompt consensus absolute change | 33.333333 | 0% | — |
| public prompt disagreement absolute change | 66.666667 | 0% | — |
| public prompt volatility index | 150 | 100% | 150 |
| public prompt winner changed | 1 | 0% | — |
up since prior snapshot
- public prompt volatility index0 → 150+150
- public prompt disagreement absolute change0 → 66.667+66.667
- public prompt consensus absolute change0 → 33.333+33.333
- public prompt winner changed0 → 1+1
Source trail
Absolute consensus changepublic prompt consensus absolute change · observed Sep 10, 2026, 12:00 AM UTC33.333 percentage_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-observability","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Absolute disagreement changepublic prompt disagreement absolute change · observed Sep 10, 2026, 12:00 AM UTC66.667 percentage_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-observability","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Prompt volatility indexpublic prompt volatility index · observed Sep 10, 2026, 12:00 AM UTC150 index_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-observability","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Leading brand changedpublic prompt winner changed · observed Sep 10, 2026, 12:00 AM UTC1 boolean100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-observability","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
More in Prompt intelligence
Prompt winners, engine disagreement, volatility, commercial intent, and source gaps.
Prompts ranked by mean pairwise Jaccard distance between the reviewed-brand sets surfaced by each engine.
Prompts where the leading reviewed brand appears across engines but its own domains are not cited.