Buying question
Recommend an open-source system for self-hosted language-model tracing, evaluations, and prompt analytics.
Which brands each model API named when asked this question, and which pages it cited. Answer text is not published.
Recommendation
Kind of question
3
Model APIs
2
Brands named
11
Pages cited
Brands
Brands the answers named
Ordered by how many model APIs named the brand, then by mentions. A mention is not an endorsement or a position.
| Rank# | Brand | Model APIs | Mentions | Own-site citations | Named by |
|---|---|---|---|---|---|
| 1 | Langfuselangfuse.com | 3 | 9 | 6 | OpenAI · Anthropic · Google |
| 2 | Braintrustbraintrust.dev | 1 | 0 | 1 |
Model APIs
What each model API returned
One row per model API. The hash identifies the exact answer without publishing it.
| Model API | Model | Brands named | Citations | Domains | Answer hash |
|---|---|---|---|---|---|
| OpenAI | openai/gpt-6-luna | Langfuse | 4 | 1 | 120fbe8e…11743 |
| Anthropic | anthropic/claude-haiku-5.5 | Langfuse | 5 | 5 | f40dd720…78a6a |
| google/gemini-3.1-flash-lite | Langfuse · Braintrust | 5 | 5 | 8e2c4463…a4803 |
Sources
Pages the answers cited
Hostnames come from the URLs the answers returned. Best position is the earliest place a page was cited in an answer.
| Domain | Cited page | Best position | Cited by | Citations |
|---|---|---|---|---|
| github.com | https://github.com/langfuse/langfuse | 1 | Anthropic · Google | 2 |
| langfuse.com | https://langfuse.com/docs/observability/overview | 1 | Anthropic · Google | 2 |
| langfuse.com | https://langfuse.com/docs | 1 | OpenAI | 1 |
| turingpost.com | https://turingpost.com/p/llm-observability | 2 | Anthropic · Google | 2 |
| braintrust.dev | https://braintrust.dev/articles/best-self-hosted-ai-evals-tools-2026 | 2 | 1 | |
| langfuse.com | https://langfuse.com/docs/evaluation/overview | 2 | OpenAI | 1 |
| langfuse.com | https://langfuse.com/docs/evaluation/experiments/experiments-via-sdk | 3 | OpenAI | 1 |
| agenta.ai | https://agenta.ai/blog/top-llm-observability-platforms | 4 | Anthropic | 1 |
| langfuse.com | https://langfuse.com/docs/evaluation/scores/score-analytics | 4 | OpenAI | 1 |
| openlit.io | https://openlit.io/blogs/open-source-llm-evaluation-prompt-management | 5 | Anthropic | 1 |
| openlit.io | https://openlit.io/ | 5 | 1 |
- Snapshots
b508948a-6a42-4345-b118-2d4a4bb38b87- Question set
llm-observability-platforms-2026-07-27- Benchmark version
4-llm-observability-platforms-2026-07-27-models-16124f05e021- What is kept
- Measured in AI observability. Full answers are not stored or published, and no customer data is included.
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.