The brand named most for each public buying question, and how many of the three model APIs agree.
Prompt intelligence
AI API brands prompt Volatility
20 prompts ranked by how much their answers moved since the previous snapshot.
150 index_points
Compare hosted model platforms for observability and production controls. ranks first
Prompt volatility index
20
Prompts ranked
Sep 10
Snapshot recorded
2026 · Rotating schedule
2
Answers behind each row
From the OpenAI, Anthropic and Google model APIs
All 20 prompts by prompt volatility index
Compare hosted model platforms for observability and production controls. leads at 150 index_points; the middle of the board sits at 7.5.
- 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
Rank, name and prompt volatility indexMiddle 7.5
- 1Compare hosted model platforms for observability and production controls.150 index_points
- 2What are the most cost-effective LLM API providers at scale?134.832 index_points
- 3Recommend AI model API providers for regulated enterprise workloads.130.556 index_points
- 4Compare AI platforms that support managed fine-tuning and custom models.127.778 index_points
- 5Recommend a reliable hosted model API for a customer-facing product.120.833 index_points
- 6Which hosted AI inference platforms offer the lowest latency?112.5 index_points
- 7What are the best LLM API platforms for a production application?108.194 index_points
- 8Compare AI model API providers on security, privacy, and compliance.35 index_points
- 9What are the best platforms for routing requests across multiple AI models?22.222 index_points
- 10Recommend the best multimodal model APIs for text and image workflows.8.333 index_points
- 11Recommend hosted AI APIs for high-throughput batch inference.6.667 index_points
- 12Which AI model API providers are strongest for enterprise software teams?4.861 index_points
- 13Which AI model APIs offer the strongest context windows and tool use?4.167 index_points
- 14What AI model API platform should an early-stage startup evaluate first?3.333 index_points
- 15Which platforms are best for hosting open-weight models behind an API?2.778 index_points
- 16How do major LLM API platforms compare on pricing and rate limits?2.381 index_points
- 17Create a shortlist of AI model API vendors for a technical buying team.2.083 index_points
- 18Compare the leading AI model APIs for production use.1.587 index_points
- 19Which LLM API providers have the best global availability and uptime?0.278 index_points
- 20Which LLM API platforms have the best developer experience?0 index_points
The prompt boards are re-run in rotation, about one category a day, so each board refreshes every few weeks and shows the date of its snapshot.
consensus absolute change: 0 on 13 of 20 rows · winner changed: 0 on 13 of 20 rows · 2 checks behind each row.
Why this rank
Create a shortlist of AI model API vendors for a technical buying team. on AI API Brands Prompt Volatility
Snapshot of Sep 10, 2026, 12:00 AM UTC · Link to this snapshot
Ranks reviewed prompts by changed leaders and absolute movement between comparable cross-day snapshots.
17
Rank on this board
2.083 index_points
Score
2
Answers behind the score
100% confidence · 1 of 1 components evidenced
What the score is built from
1 of 1 evidencedEvery component evidenced · 1 evidence record each
| Component | Value | Contribution |
|---|---|---|
| Volatility index | 2.083334 | 2.083 |
Unchanged since the previous snapshot
No change in rankNo component moved since the previous snapshot.
Where each number comes from
4 public recordsAbsolute consensus changeConsensus absolute change · observed Sep 10, 2026, 12:00 AM UTC0 percentage_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-vendor-shortlist","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Absolute disagreement changeDisagreement absolute change · observed Sep 10, 2026, 12:00 AM UTC4.167 percentage_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-vendor-shortlist","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Prompt volatility indexVolatility index · observed Sep 10, 2026, 12:00 AM UTC2.083 index_points100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-vendor-shortlist","currentSnapshotId":"353c0757-19ec-4f0f-a438-05d9373a597e","previousSnapshotId":"8ef4411b-0ac1-4636-9383-dba8ef2a561f"}
Leading brand changedWinner changed · observed Sep 10, 2026, 12:00 AM UTC0 boolean100% confidence
- Source
- Rank.ai AI API Brands Prompt Benchmark
- Grade
- A
- Freshness
- fresh
- Locator
{"promptSlug":"model-api-vendor-shortlist","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.
See how often AI names you.
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