# Radar vs Kontakt.io: which do AI models recommend for proximity, September 2026

GTM AI Recommendation Index, September 2026 Edition, Retail, proximity and IoT marketing. Five of twelve models named Radar first on the direct prompt; zero named Kontakt.io. Page: https://gtm-ai-index.com/marketing/retail-proximity-and-iot-marketing/radar-vs-kontakt-io/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Radar | 19% | #1 of 8 | 7% | 30 | 10 of 12 |
| Kontakt.io | 2% | #5 of 8 | 7% | 27 | 11 of 12 |

## The direct prompt, model by model

- Mistral Small: radar first (first choices: Foursquare, Radar) (alternatives: CleverTap, Insider, Kontakt.io, Kumulos, PlotProjects)
- Qwen 3.7 Flash: radar first (first choices: Radar) (alternatives: Foursquare, Kontakt.io)
- Kimi K2: radar first (first choices: Radar) (alternatives: AdRoll ABM, Phunware, PlotProjects)
- GLM 4.7 FlashX: radar first (first choices: Radar) (alternatives: InMarket)
- MiniMax M2.5: radar first (first choices: Radar)
- Gemini 3.5 Flash: neither first, one named (first choices: Uniqode) (alternatives: Purple, Radar)
- DeepSeek V4 Flash: neither first, one named (first choices: GroundTruth, StackAdapt) (alternatives: Hey Sid, InZynk, Radar)
- Claude Haiku 4.5: neither named (first choices: Gimbal, GroundTruth, Simpli.fi)
- GPT-5.4 mini: neither named (first choices: Foursquare Proximity) (alternatives: 6sense, Demandbase)
- Perplexity Sonar: neither named (first choices: Propensity) (alternatives: Estimote, InMarket)
- Grok 4.1 Fast: neither named (first choices: CleverTap) (alternatives: PlotProjects, Simpli.fi)
- Llama 4 Maverick: neither named (first choices: InMarket) (alternatives: Apollo.io, Foursquare)

## What the models said about Radar

- "Avoid: Enterprise tools like Kontakt.io, Radar ($500+/mo)" (Grok 4.1 Fast, budget prompt, hard negative)
- "Quote-based ($0.02-0.04 per user) | Enterprise-grade but scales with usage" (Kimi K2, budget prompt, soft negative)
- "If you have to invest in just one approach, start with Radar. It is the most versatile geolocation platform for mid-market businesses." (Gemini 3.5 Flash, paraphrase prompt, first choice)
- "Often regarded as the industry-leading "Location OS," Radar is a developer-friendly platform providing highly accurate geofencing" (Gemini 3.5 Flash, comparative prompt, first choice)
- "Radar appears to be a leading proximity marketing platform mentioned in the results" (MiniMax M2.5, direct prompt, first choice)

## What the models said about Kontakt.io

- "Avoid: Enterprise tools like Kontakt.io" (Grok 4.1 Fast, budget prompt, hard negative)
- "more of a managed, enterprise-leaning solution, so it's usually not the cheapest choice for a tight budget" (GPT-5.4 mini, budget prompt, soft negative)
- "Kontakt.io (Best Overall) ... Highest overall score (9.6/10) across features, ease of use, and value" (GLM 4.7 FlashX, comparative prompt, first choice)
- "Kontakt.io is considered the best overall platform for indoor location, with a score of 9.6/10." (Llama 4 Maverick, comparative prompt, first choice)
- "Best overall: Kontakt.io (enterprise) and Foursquare (no-hardware approach)" (MiniMax M2.5, comparative prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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.