The leading reviewed brand for every public prompt, with cross-engine consensus and complete bounded evidence.
AI engine disagreement by prompt
20 prompts ranked by cross engine brand disagreement.
What AI model API platform should an early-stage startup evaluate first? is out in front at 93.3%.
20 promptschecked Sep 10, 2026, 12:00 AM UTCdailyhow we measure this →CSV / JSON
What AI model API platform should an early-stage startup evaluate first?
93.3%cross engine brand disagreement
- Ahead of second place
- 1.7%
- Held by the top three
- 19%
- Middle of the board
- 78.9%
- Below half the leader
- 1 of 20
Which AI model APIs offer the strongest context windows and tool use?
Derives prompt-level brand leaders, cross-engine brand-set disagreement, and leading-brand owned-citation opportunity from the complete public Rank.ai benchmark cohort.
- Published rank
- #13
- Score
- 66.667 percent
- Sample size
- 3
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 brand presence events | 6 | 0% | — |
| public prompt citation urls | 13 | 0% | — |
| public prompt distinct reviewed brands | 3 | 0% | — |
| public prompt engine disagreement | 66.666667 | 100% | 66.667 |
| public prompt leading brand consensus | 66.666667 | 0% | — |
| public prompt leading brand owned citation coverage | 0 | 0% | — |
| public prompt leading brand owned citation gap | 66.666667 | 0% | — |
up since prior snapshot
- public prompt engine disagreement75 → 66.667-8.333
- public prompt citation urls16 → 13-3
- public prompt brand presence events7 → 6-1
- public prompt distinct reviewed brands4 → 3-1
- public prompt leading brand consensus66.667 → 66.6670
- public prompt leading brand owned citation coverage0 → 00
- public prompt leading brand owned citation gap66.667 → 66.6670
Source trail
Reviewed-brand presence eventspublic prompt brand presence events · observed Sep 10, 2026, 12:00 AM UTC6 presence_events100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Distinct citation URLspublic prompt citation urls · observed Sep 10, 2026, 12:00 AM UTC13 urls100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Distinct reviewed brands surfacedpublic prompt distinct reviewed brands · observed Sep 10, 2026, 12:00 AM UTC3 brands100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Cross-engine brand disagreementpublic prompt engine disagreement · observed Sep 10, 2026, 12:00 AM UTC66.667 percent100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Leading-brand engine consensuspublic prompt leading brand consensus · observed Sep 10, 2026, 12:00 AM UTC66.667 percent100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Leading-brand owned-citation coveragepublic prompt leading brand owned citation coverage · observed Sep 10, 2026, 12:00 AM UTC0 percent100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
Leading-brand owned-citation opportunitypublic prompt leading brand owned citation gap · 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-context-comparison","corpusVersion":"ai-model-api-platforms-2026-07-26","runArtifactIds":["f1d9b588-7153-4e77-8dfe-17680a5fbcf9","ace7ebc4-bf74-4027-9530-39a900dbc41a","f449786e-f01e-47ba-ae7a-e5c2d6aaf804"],"parentSnapshotId":"5822220c-0bc2-456a-a7a8-9bcfe3108738","providerMatrixVersion":"64232fd32583"}
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- Plain text
AI Engine Disagreement by Prompt. Rank.ai, data as of September 10, 2026. https://www.rank.ai/rankings/prompts/ai-prompt-engine-disagreement - HTML
<a href="https://www.rank.ai/rankings/prompts/ai-prompt-engine-disagreement">AI Engine Disagreement by Prompt</a> — Rank.ai, data as of September 10, 2026 - Markdown
[AI Engine Disagreement by Prompt](https://www.rank.ai/rankings/prompts/ai-prompt-engine-disagreement) — Rank.ai, data as of September 10, 2026 - APA
Rank.ai. (2026). AI Engine Disagreement by Prompt. Retrieved September 10, 2026, from https://www.rank.ai/rankings/prompts/ai-prompt-engine-disagreement
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<p style="font-size:12px">Source: <a href="https://www.rank.ai/rankings/prompts/ai-prompt-engine-disagreement">AI Engine Disagreement by Prompt</a> by Rank.ai</p>More in Prompt intelligence
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