Website and synthetic monitoring · November 2026 Edition
Checkly vs Site24x7
Zero of fourteen models named Checkly first on the direct prompt; one named Site24x7. Checkly was named by eleven of the fourteen models and Site24x7 by thirteen and Checkly carries 27 labels and Site24x7 28, so the shares are not directly comparable.
Named in one category this edition.
Named in eleven categories this edition.
First-choice share6%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate0%4%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 11; printed, not drawn.
Labels2728A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Checkly reading right to left. Rank and label count are printed, not drawn.Better Stack was named alongside these two in twelve of the fourteen direct answers. UptimeRobot vs Checkly · UptimeRobot vs Site24x7 · Better Stack vs Checkly
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
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
ChecklyFirst choices, of fourteen modelsSite24x7
Direct01
Paraphrase31
Comparative01
Budget-constrained001 against Site24x7
Scale-constrained00
Negative00
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Checkly and Site24x7 stood in it.
| 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 | | | |
Checkly Site24x7 first choice named as an alternative argued againstblank: not namedEach cell is one answer, Checkly on the left and Site24x7 on the right.The direct prompt
The plain question, one answer per model, grouped by where Checkly and Site24x7 stood in it.
Site24x7 first, Checkly not the choice
1 of 14 modelsCheckly was named in the answer but not as the choice, or not at all.MiniMax M2.5Better Stack, Site24x7 alternatives: Datadog Synthetic Monitoring
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.GPT-5.4 miniPingdom alternatives: Datadog Synthetic Monitoring, Site24x7, UptimeRobot
Gemini 3.5 FlashBetter Stack alternatives: Checkly, Datadog Synthetic Monitoring, StatusCake
Perplexity SonarBetter Stack alternatives: Checkly, Uptime.com, UptimeRobot
Grok 4.20UptimeRobot alternatives: Better Stack, Site24x7
Llama 4 MaverickUptimeRobot alternatives: Better Stack, Checkly, Paessler PRTG, Pingdom
GPT-6 LunaBetter Stack alternatives: Checkly, Datadog Synthetic Monitoring
Muse Glimmer 30BBetter Stack, Hyperping alternatives: Datadog Synthetic Monitoring, Pingdom, Site24x7, UptimeRobot
Neither was named
6 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5Pingdom alternatives: Atlassian, Datadog Synthetic Monitoring, New Relic Synthetics, Statuspage, UptimeRobot
Mistral SmallUptimeRobot alternatives: Better Stack
DeepSeek V4 FlashBetter Stack alternatives: Uptime.com, UptimeRobot
Qwen 3.7 FlashUptimeRobot alternatives: Better Stack, Pingdom
Kimi K2StatusCake alternatives: Better Stack, Uptime.com
GLM 4.7 FlashXUptimeRobot alternatives: Better Stack, Hyperping
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
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Site24x7 leads by seven points.
Site24x77%#3 of 12Checkly0%#11 of 12Mid-marketThe figures above
The order flips: Checkly leads at mid-market.
Checkly6%#4 of 11Site24x74%#5 of 11Enterprise
Level: the same share of first choices.
Checkly0%#12 of 14Site24x70%#9 of 14What 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
What the models said about Site24x7
No label in this category carried a quote.
Also compared
UptimeRobot vs ChecklyUptimeRobot vs Site24x7Better Stack vs ChecklyBetter Stack vs Site24x7Datadog Synthetic Monitoring vs ChecklyDatadog Synthetic Monitoring vs Site24x7Checkly vs New Relic SyntheticsCheckly vs Uptime KumaCheckly vs PingdomSite24x7 vs New Relic SyntheticsSite24x7 vs Uptime KumaSite24x7 vs PingdomAll twenty-eight head-to-head pages and the full uptime monitoring standing
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.