# Application performance monitoring: what AI models recommend, October 2026

Gane Index, October 2026 Edition. Asked as "APM tool" and as "application performance monitoring solution", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/it/operations/application-performance-monitoring/2026-10

This is the permanent record of the October 2026 Edition, published October 1, 2026 and superseded since. The current standing: https://www.gane.ai/index/it/operations/application-performance-monitoring/index.md

**Standing:** New Relic leads with 46% of first choices; verdict clear leader. 54 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [New Relic](https://www.gane.ai/index/it/vendors/new-relic/index.md) | 46% | 12% | 65 |
| 2 | [Datadog APM](https://www.gane.ai/index/it/vendors/datadog-apm/index.md) | 20% | 29% | 68 |
| 3 | [SigNoz](https://www.gane.ai/index/it/vendors/signoz/index.md) | 9% | 0% | 23 |
| 4 | [Site24x7](https://www.gane.ai/index/it/vendors/site24x7/index.md) | 6% | 0% | 16 |
| 5 | [Elastic APM](https://www.gane.ai/index/it/vendors/elastic-apm/index.md) | 4% | 11% | 28 |
| 6 | [IBM Instana](https://www.gane.ai/index/it/vendors/ibm-instana/index.md) | 4% | 17% | 18 |
| 8 | [Grafana Cloud](https://www.gane.ai/index/it/vendors/grafana-cloud/index.md) | 2% | 0% | 26 |
| 9 | [Honeycomb](https://www.gane.ai/index/it/vendors/honeycomb/index.md) | 2% | 0% | 10 |
| 11 | [Dynatrace](https://www.gane.ai/index/it/vendors/dynatrace/index.md) | 2% | 48% | 50 |
| 12 | [Sentry](https://www.gane.ai/index/it/vendors/sentry/index.md) | 0% | 0% | 13 |
| 13 | [AppDynamics](https://www.gane.ai/index/it/vendors/appdynamics/index.md) | 0% | 27% | 37 |
| 18 | [Jaeger](https://www.gane.ai/index/it/vendors/jaeger/index.md) | 0% | 18% | 11 |

Rank is by share of first choices among all 65 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: Datadog APM; alternatives New Relic, Site24x7, SolarWinds Observability
- GPT-5.4 mini: New Relic; alternatives Datadog APM
- Gemini 3.5 Flash: New Relic; alternatives Grafana Cloud, Sentry
- Perplexity Sonar: Datadog APM; alternatives AppDynamics, Dynatrace, ManageEngine Applications Manager
- Grok 4.20: Datadog APM; alternatives IBM Instana, New Relic
- Mistral Small: IBM Instana; alternatives AppDynamics, Site24x7, Stackify Retrace
- DeepSeek V4 Flash: New Relic; alternatives Datadog APM, IBM Instana, Site24x7
- Llama 4 Maverick: no first choice; alternatives OpManager Nexus, Stackify Retrace
- Qwen 3.7 Flash: New Relic; alternatives SolarWinds Observability
- Kimi K2: New Relic; alternatives Datadog APM, IBM Instana, Site24x7
- GLM 4.7 FlashX: Site24x7; alternatives Datadog APM, IBM Instana
- MiniMax M2.5: New Relic; alternatives Datadog APM
- GPT-6 Luna: Datadog APM; alternatives New Relic
- Muse Glimmer 30B: Datadog APM, IBM Instana, New Relic; alternatives AppDynamics, Site24x7

## Sources the answers cite

76 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- motadata.com: 44 answers, 45 citations
- g2.com: 34 answers, 58 citations
- manageengine.com: 30 answers, 42 citations
- newrelic.com: 28 answers, 44 citations
- middleware.io: 28 answers, 30 citations
- dotcom-monitor.com: 23 answers, 23 citations
- learn.g2.com: 22 answers, 24 citations
- coralogix.com: 22 answers, 22 citations

Pages named in the most answers:

- https://motadata.com/blog/best-apm-tools (44 answers)
- https://manageengine.com/it-operations-management/application-observability/apm-tools-comparison.html (27 answers)
- https://middleware.io/blog/apm-tools (24 answers)
- https://g2.com/categories/application-performance-monitoring-apm (22 answers)
- https://comparitech.com/net-admin/application-performance-management (19 answers)
- https://dotcom-monitor.com/blog/application-performance-monitoring-tools (19 answers)
- https://coralogix.com/guides/application-performance-monitoring-tools (17 answers)
- https://learn.g2.com/best-application-performance-monitoring-tools (17 answers)
- https://uptrace.dev/tools/top-apm-tools (17 answers)
- https://drizz.dev/post/apm-tools (15 answers)

## Warned against

- Dynatrace: 24 of 50 labels negative. "Verdict: Avoid unless you are a large enterprise with a dedicated Site Reliability Engineering (SRE) team" (Qwen 3.7 Flash, negative prompt)
- Datadog APM: 20 of 68 labels negative. "tools and vendors you should be cautious about or potentially avoid... 1. Datadog - Most Common Complaint ... Unpredictable pricing" (Kimi K2, negative prompt)
- AppDynamics: 10 of 37 labels negative. "Teams on perpetual licenses, Rapid Start SKUs and older agents are being actively sunset. If you are evaluating a "new" AppDynamics deployment in 2026 you are effectively buying into Splunk's portfolio roadmap" (Muse Glimmer 30B, negative prompt)
- New Relic: 8 of 65 labels negative. "New Relic if your team lacks a dedicated observability engineer." (DeepSeek V4 Flash, negative prompt)

## Movement since September 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: New Relic at 49%.

- Datadog APM: 11% to 18%, +7. Inside the floor by 4 points · rank 3 → 2 of 59.
- SigNoz: 13% to 7%, −6. Inside the floor by 5 points · rank 2 → 3 of 59.
- New Relic: 54% to 49%, −5. Inside the floor by 6 points · rank 1 of 59, unchanged.
- Site24x7: 2% to 7%, +5. Inside the floor by 6 points · rank 9 → 4 of 59.
- Elastic APM: 0% to 4%, +4. Inside the floor by 7 points · rank 13 → 5 of 59.
- Grafana Cloud: 4% to 2%, −2. Inside the floor by 9 points · rank 4 → 7 of 59.
- Dynatrace: 0% to 2%, +2. Inside the floor by 9 points · rank 20 → 11 of 59.
- ManageEngine Applications Manager: 2% to 0%, −2. Inside the floor by 9 points · rank 6 → 17 of 59.
- Honeycomb: 2% to 2%, ±0. Inside the floor by 11 points · rank 7 → 8 of 59.
- IBM Instana: 2% to 2%, ±0. Inside the floor by 11 points · rank 5 → 9 of 59.
- Sentry: 0% to 0%, ±0. Inside the floor by 11 points · rank 14 → 12 of 59.
- AppDynamics: 0% to 0%, ±0. Inside the floor by 11 points · rank 15 → 13 of 59.

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, October 2026 Edition, www.gane.ai/index/it.