Zero of fourteen models named Datadog Synthetic Monitoring first on the direct prompt; zero named Checkly. Datadog Synthetic Monitoring was named by fourteen of the fourteen models and Checkly by eleven and Datadog Synthetic Monitoring carries 50 labels and Checkly 27, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the website and synthetic monitoring page.
Across every category in the November 2026 Edition, Datadog Synthetic Monitoring and Checkly were named in the same answer forty-four times, of the 145 answers naming Datadog Synthetic Monitoring and the 55 naming Checkly. In those answers Checkly took the first choice two times and Datadog Synthetic Monitoring ten.
| Model | DirectDS | ParaphraseDS | ComparativeDS | Budget-constrainedDS | Scale-constrainedDS | NegativeDS |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | DS | DS | ||||
| GPT-5.4 mini | DS | DS | DS | |||
| Gemini 3.5 Flash | DS | DS | DS | DS | ||
| Perplexity Sonar | DS | DS | DS | |||
| Grok 4.20 | DS | DS | DS | DS | DS | DS |
| Mistral Small | DS | DS | ||||
| DeepSeek V4 Flash | DS | DS | DS | DS | DS | |
| Llama 4 Maverick | DS | DS | ||||
| Qwen 3.7 Flash | DS | DS | DS | DS | DS | |
| Kimi K2 | DS | DS | DS | |||
| GLM 4.7 FlashX | ||||||
| MiniMax M2.5 | DS | DS | DS | |||
| GPT-6 Luna | DS | DS | DS | |||
| Muse Glimmer 30B | DS | DS | DS |
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Some users recommend avoiding it if your primary need is uptime monitoring, as costs can spiral” Mistral Small · negative prompt · hard negative
“Datadog stands out for cloud-native and AI features but has a steeper learning curve and higher cost.” Grok 4.20 · comparative prompt · soft negative
“For a pure uptime tool, Datadog is often too expensive and heavy for a standard mid-market setup” Qwen 3.7 Flash · direct prompt · soft negative
“If I had to recommend one, I'd lean toward Datadog Synthetic Monitoring for its depth of integration, scalability” MiniMax M2.5 · paraphrase prompt · first choice
“Balanced growth stack: Checkly for synthetic browser/API journeys + Datadog RUM/Synthetics for DEM.” Muse Glimmer 30B · paraphrase prompt · first choice
“Best Overall: Datadog Synthetic Monitoring + RUM” DeepSeek V4 Flash · paraphrase prompt · first choice
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Three of four in this category shown.
“Start with Site24x7 or Checkly depending on whether you prefer GUI-based or code-first setup.” Kimi K2 · paraphrase prompt · first choice
“Checkly or Grafana Cloud Synthetic Monitoring gives you the best cost-to-coverage ratio” Muse Glimmer 30B · paraphrase prompt · first choice
“Best Overall for Modern Tech Teams: Checkly” Gemini 3.5 Flash · paraphrase prompt · first choice
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.