# Uptime.com vs Checkly: which do AI models recommend for uptime monitoring, October 2026

IT AI Recommendation Index, October 2026 Edition, Website and synthetic monitoring. Three of fourteen models named Uptime.com first on the direct prompt; zero named Checkly. Page: https://it-ai-index.com/operations/website-and-synthetic-monitoring/uptime-com-vs-checkly/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Uptime.com | 7% | #4 of 12 | 16% | 25 | 13 of 14 |
| Checkly | 6% | #6 of 12 | 0% | 19 | 10 of 14 |

## The direct prompt, model by model

- GPT-5.4 mini: uptime.com first (first choices: Uptime.com) (alternatives: Better Stack, Pingdom)
- Perplexity Sonar: uptime.com first (first choices: Uptime.com) (alternatives: Datadog Synthetic Monitoring, Hyperping, Site24x7)
- GLM 4.7 FlashX: uptime.com first (first choices: Uptime.com) (alternatives: Better Stack, Hyperping)
- Gemini 3.5 Flash: neither first, one named (first choices: Better Stack) (alternatives: Checkly, Uptime.com)
- DeepSeek V4 Flash: neither first, one named (first choices: Better Stack) (alternatives: Pingdom, Uptime.com)
- Qwen 3.7 Flash: neither first, one named (first choices: Better Stack) (alternatives: Atlassian Statuspage, Checkly, Site24x7)
- GPT-6 Luna: neither first, one named (first choices: Better Stack) (alternatives: Datadog Synthetic Monitoring, Uptime.com)
- Claude Haiku 4.5: neither named (first choices: Better Stack) (alternatives: Site24x7, StatusCake, UptimeRobot)
- Grok 4.1 Fast: neither named (first choices: Pingdom) (alternatives: Site24x7, StatusCake, UptimeRobot)
- Mistral Small: neither named (first choices: Better Stack, Hyperping) (alternatives: Oh Dear, StatusCake)
- Llama 4 Maverick: neither named (first choices: ManageEngine's OpManager) (alternatives: UptimeRobot)
- Kimi K2: neither named (first choices: Better Stack) (alternatives: Pingdom, Site24x7, UptimeRobot)
- MiniMax M2.5: neither named (first choices: Better Stack, Pingdom) (alternatives: Datadog Synthetic Monitoring, Site24x7)
- Muse Glimmer 30B: neither named (first choices: Better Stack) (alternatives: Pingdom, StatusCake, UptimeRobot)

## What the models said about Uptime.com

- "The billing practices are the biggest concern here — monitor your invoices carefully if you use them." (DeepSeek V4 Flash, negative prompt, hard negative)
- "Some users have reported occasional false alerts... and the service is relatively expensive compared to similar offerings" (Claude Haiku 4.5, negative prompt, soft negative)
- "Surprise billing/subscription creep ... eroding value; monitor invoices closely." (Grok 4.1 Fast, negative prompt, soft negative)
- "Shortlist to evaluate: Uptime.com, Better Stack, or UptimeRobot Enterprise" (Kimi K2, scale prompt, first choice)
- "My Top Pick: Uptime.com. It is the standard for mid-market B2B" (GLM 4.7 FlashX, direct prompt, first choice)
- "the strongest all-around choice is usually Uptime.com" (Perplexity Sonar, direct prompt, first choice)

## What the models said about Checkly

- "Reputable alternatives frequently recommended include Better Stack, Checkly, Site24x7" (Kimi K2, negative prompt, first choice)
- "Synthetic monitoring: Start with Checkly (code‑first, predictable pricing)" (GLM 4.7 FlashX, paraphrase prompt, first choice)
- "The Developer-First Choice: Checkly ... Checkly is highly recommended." (Gemini 3.5 Flash, paraphrase prompt, first choice)

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. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.