UptimeRobot vs Checkly
Five of fourteen models named UptimeRobot first on the direct prompt; zero named Checkly. UptimeRobot was named by fourteen of the fourteen models and Checkly by eleven and UptimeRobot carries 50 labels and Checkly 27, so the shares are not directly comparable.
Named in three categories 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.
By framing
UptimeRobotFirst choices, of fourteen modelsCheckly
Across every category in the November 2026 Edition, UptimeRobot and Checkly were named in the same answer thirty-seven times, of the 181 answers naming UptimeRobot and the 55 naming Checkly. In those answers Checkly took the first choice zero times and UptimeRobot sixteen.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | |||
| GPT-5.4 mini | | | | |||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | ||
| Grok 4.20 | | | | | | |
| Mistral Small | | | | |||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | | | |||
| Qwen 3.7 Flash | | | | | | |
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | |||
| MiniMax M2.5 | | | ||||
| GPT-6 Luna | | | | |||
| Muse Glimmer 30B | | | | |
UptimeRobot Checkly first choice named as an alternative argued againstblank: not namedEach cell is one answer, UptimeRobot on the left and Checkly on the right.The direct prompt
UptimeRobot first, Checkly an alternative
5 of 14 modelsCheckly was named in the answer but not as the choice, or not at all.Neither was the first choice, one was named
7 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
2 of 14 modelsThe answer made no first choice from these two in this category.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.
By buyer segment
UptimeRobot41%#1 of 12Checkly0%#11 of 12UptimeRobot31%#1 of 11Checkly6%#4 of 11UptimeRobot18%#3 of 14Checkly0%#12 of 14What the models said about UptimeRobot
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Frequently criticized for unreliable notifications, false positives... Use it for casual monitoring but pair with 2–3 other tools for verification.” Grok 4.20 · negative prompt · soft negative
“UptimeRobot's free tier of 50 monitors has been restricted to non-commercial use since October 2024, so business sites need a paid plan” Muse Glimmer 30B · budget prompt · soft negative
“it lacks synthetic transaction monitoring and Real User Monitoring (RUM)... best suited for simple uptime checks only” Mistral Small · negative prompt · soft negative
“The best uptime monitoring tool for a company with a limited budget is UptimeRobot, which offers a free tier with 50 monitors at 5-minute intervals” Llama 4 Maverick · budget prompt · first choice
“For most budget-conscious companies, UptimeRobot is the clear winner due to its generous free tier, ease of setup, and reliability.” Claude Haiku 4.5 · budget prompt · first choice
“Best for quick setup with a generous free tier ... leading the list for fast uptime monitoring and a strong free plan” Claude Haiku 4.5 · comparative prompt · first choice
What the models said about Checkly
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.