Helicone vs Lunary:Which is more popular?
In September 2026, Helicone had more branded searches than Lunary among LLM observability platforms worldwide. Helicone had about 4,400 branded searches, while Lunary had 3,600. Helicone made up 1.7% of all LLM observability platform searches we track, and Lunary accounted for 1.4%. When we asked ChatGPT and Google AI Overviews about LLM observability platforms, Helicone and Lunary each appeared in two of the five answers. Helicone was mentioned before Lunary in every answer that named either.
Who do people search for more?
Helicone, about 22% more searches than Lunary
Who does AI mention more?
Both were mentioned in 2 of 5 answers.
Who does AI recommend more?
Helicone, named ahead of Lunary in 2 of 2 answers
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Top LLM observability platforms in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Helicone and Lunary were each mentioned in two out of five: not in any of the three ChatGPT answers, but in both Google AI Overviews. Helicone was listed before Lunary in every answer that named either.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Langfuse1st
LangSmith2nd
Arize Phoenix3rd
Braintrust4th
Datadog LLM Observability5th- Helicone6th
Lunary7th
Weights & Biases8th
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
- Langfuse5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- LangSmith5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Arize Phoenix5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Datadog LLM Observability5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Braintrust3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
- Helicone2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Lunary2 of 5Named in 0 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Weights & Biases1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about LLM observability platforms
5 answers
Asked ChatGPT
“Which LLM observability platform should I use?”
Asked ChatGPT
“What are the best LLM observability platforms?”
Asked ChatGPT
“What's the best LLM observability platform for a machine learning team?”
Searched Google, AI Overview
“llm observability platforms”
Searched Google, AI Overview
“llm monitoring tools”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Helicone or Lunary more popular in search?
This chart shows how often people search Google for Helicone and Lunary by name. Each line represents a brand's share of searches for all eight LLM observability platforms we track, month by month, from English-language searches worldwide.
Share of searches by month for Helicone, Lunary. The figures are in the table below the chart.
View monthly share of searches table
| Month | Langfuse | LangSmith | Weights & Biases | Arize Phoenix | Helicone | Lunary | Braintrust | Datadog LLM Observability |
|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 29.3% | 29.3% | 31.5% | 4.4% | 2.1% | 1.7% | 0.63% | 0.95% |
| Nov 2025 | 29.4% | 29.4% | 31.8% | 4.4% | 2.1% | 1.4% | 0.64% | 0.76% |
| Dec 2025 | 29.8% | 29.8% | 30.7% | 4% | 2.7% | 1.5% | 0.77% | 0.77% |
| Jan 2026 | 33.3% | 27.2% | 28% | 4.8% | 3% | 2% | 1.1% | 0.7% |
| Feb 2026 | 34.9% | 28.5% | 25.1% | 5.1% | 3.1% | 1.4% | 0.93% | 0.93% |
| Mar 2026 | 34.9% | 28.7% | 25.2% | 5.1% | 3.1% | 1.4% | 0.6% | 0.92% |
| Apr 2026 | 33.6% | 27.6% | 28.4% | 4.9% | 3% | 1.1% | 0.73% | 0.58% |
| May 2026 | 35.7% | 29.4% | 24.7% | 4.8% | 2.6% | 1.2% | 0.78% | 0.78% |
| Jun 2026 | 37.1% | 30.5% | 21.9% | 5.5% | 2.2% | 1.2% | 0.81% | 0.81% |
| Jul 2026 | 39.3% | 32.4% | 19.1% | 4.7% | 1.9% | 1.3% | 0.86% | 0.46% |
| Aug 2026 | 41.2% | 27.7% | 19.2% | 7% | 2% | 1.3% | 1.1% | 0.37% |
| Sep 2026 | 42.3% | 28.4% | 19.7% | 5.1% | 1.7% | 1.4% | 1.1% | 0.34% |
How has the Helicone and Lunary comparison changed over the last 12 months?
3 findings
- Helicone was ahead of Lunary in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Helicone’s share of searches among LLM observability platforms worldwide moved from 2.1% to 1.7%, and its estimated monthly branded searches moved from 5.4K to 4.4K.
- Across the 12 months ending September 2026, Lunary’s share of searches among LLM observability platforms worldwide moved from 1.7% to 1.4%, and its estimated monthly branded searches moved from 4.4K to 3.6K.
How did search popularity change for LLM observability platforms worldwide in September 2026?
2 changes
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Helicone’s and Lunary’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among LLM observability platforms
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