50% of first choices, clear leader.
“avoid or be cautious about... Lob: geared toward developer-first transactional mail and often requires engineering support, so it is a poor fit” Perplexity Sonar, negative prompt
“Avoid entirely: GrowMail, Lob, Postalytics (for small budgets)” Mistral Small, negative prompt
“you should avoid or be highly cautious about the following direct mail automation platforms... Sendoso starts around $15,000 to $25,000+ per year” Gemini 3.5 Flash, negative prompt
“positioned more for sales, account-based marketing, and larger GTM teams” Perplexity Sonar, negative prompt
21 of 72 answers in this category came back with a source list, from 4 of 12 models: citations where the model returns them, or the search results it consulted. 252 links across 85 sites, every framing counted. Ranked by the number of answers carrying the site or page. The other 8 models searched through a gateway that returned no source list on this edition.
The ten pages named in the most answers, by full address. A page here is one the models returned with a recommendation, not one the index endorses.
| Company and products | Share | Own site cited | Name searches, Google | AI search demand, est. | Organic visits | Paid search a month, est. | Google ads, last 30 days | Best Google position |
|---|---|---|---|---|---|---|---|---|
| Postalytics postalytics.com | 50% | 160 | 1,000 | 3 | 90,338 | 28 | 2 | |
| Click2Mail click2mail.com | 10% | 106 | 1,900 | 24 | 25,581 | $4 | 16 | |
| Lob lob.com | 10% | 302 | 27,100 | 6,319 | 55,936 | 10 | 9 | |
| Stannp stannp.com | 8% | 8 | 720 | 9 | ||||
| Mailjoy mailjoy.com | 4% | 6 | 70 | 0 | ||||
| REmail remaildirect.com | 4% | 2 | ||||||
| PostGrid postgrid.com PostGrid Print & Mail 2% | 2% | 199 | 1,600 | 11 | 196,042 | $765 | 120 | 3 |
| PostPilot postpilot.com | 2% | 42 | 1,900 | 10 | 2,926 | $430 | 31 | 4 |
| GundirXpress gundir.com | 2% | 1 | ||||||
| PostKnock postknock.com | 2% | 3 |
Google's top ten for the two searches hold 13 sites; 7 of them are among the sites the models cited here (directmail.io, g2.com, gartner.com, lob.com, postalytics.com, postgrid.com, thecmo.com). The first result for “best direct mail automation platform” is thecmo.com.
| Prompt | Model | Version string | Time (UTC) | Searched | Sources | Latency |
|---|---|---|---|---|---|---|
| Direct recommendation | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-15 04:22 | yes | 5 | 7 s |
| Direct recommendation | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-15 00:14 | yes | 5 | 5 s |
| Direct recommendation | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-14 23:33 | yes | 15 | 23 s |
| Direct recommendation | Perplexity Sonar | sonar | 2026-09-15 02:10 | yes | 19 | 6 s |
| Direct recommendation | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 04:35 | yes | 0 | 12 s |
| Direct recommendation | Mistral Small | mistral/mistral-small via mistral | 2026-09-14 23:05 | yes | 0 | 8 s |
| Direct recommendation | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via fireworks | 2026-09-15 04:56 | yes | 0 | 13 s |
| Direct recommendation | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 04:41 | yes | 0 | 2 s |
| Direct recommendation | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-15 00:12 | yes | 0 | 24 s |
| Direct recommendation | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-15 04:23 | yes | 0 | 28 s |
| Direct recommendation | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-14 22:52 | yes | 0 | 14 s |
| Direct recommendation | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-14 23:47 | yes | 0 | 10 s |
| Paraphrase | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-15 03:06 | no | 0 | 4 s |
| Paraphrase | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-15 01:07 | yes | 4 | 4 s |
| Paraphrase | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-15 04:37 | yes | 12 | 22 s |
| Paraphrase | Perplexity Sonar | sonar | 2026-09-15 03:04 | yes | 20 | 4 s |
| Paraphrase | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 02:16 | yes | 0 | 13 s |
| Paraphrase | Mistral Small | mistral/mistral-small via mistral | 2026-09-15 01:10 | yes | 0 | 6 s |
| Paraphrase | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-09-15 00:27 | yes | 0 | 29 s |
| Paraphrase | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 02:49 | yes | 0 | 2 s |
| Paraphrase | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-14 22:54 | yes | 0 | 54 s |
| Paraphrase | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-15 00:07 | yes | 0 | 36 s |
| Paraphrase | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-15 01:05 | yes | 0 | 122 s |
| Paraphrase | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-14 22:53 | yes | 0 | 16 s |
| Comparative | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-15 02:54 | yes | 6 | 8 s |
| Comparative | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-15 03:12 | yes | 7 | 12 s |
| Comparative | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-14 23:50 | yes | 14 | 23 s |
| Comparative | Perplexity Sonar | sonar | 2026-09-15 01:44 | yes | 16 | 10 s |
| Comparative | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 04:45 | yes | 0 | 8 s |
| Comparative | Mistral Small | mistral/mistral-small via mistral | 2026-09-15 02:07 | yes | 0 | 7 s |
| Comparative | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-09-15 04:34 | yes | 0 | 41 s |
| Comparative | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 01:26 | yes | 0 | 2 s |
| Comparative | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-15 05:06 | yes | 0 | 39 s |
| Comparative | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-14 23:35 | yes | 0 | 43 s |
| Comparative | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-14 23:30 | yes | 0 | 91 s |
| Comparative | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-15 03:59 | yes | 0 | 19 s |
| Budget constrained | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-14 23:01 | yes | 6 | 9 s |
| Budget constrained | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-15 01:32 | yes | 3 | 7 s |
| Budget constrained | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-15 02:34 | yes | 15 | 22 s |
| Budget constrained | Perplexity Sonar | sonar | 2026-09-15 04:34 | yes | 20 | 18 s |
| Budget constrained | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 00:06 | yes | 0 | 8 s |
| Budget constrained | Mistral Small | mistral/mistral-small via mistral | 2026-09-15 04:06 | yes | 0 | 9 s |
| Budget constrained | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via deepinfra | 2026-09-14 23:40 | yes | 0 | 29 s |
| Budget constrained | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 03:30 | yes | 0 | 2 s |
| Budget constrained | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-14 23:58 | yes | 0 | 30 s |
| Budget constrained | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-15 04:18 | yes | 0 | 28 s |
| Budget constrained | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-15 02:31 | yes | 0 | 85 s |
| Budget constrained | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-14 22:54 | yes | 0 | 18 s |
| Scale constrained | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-14 23:58 | no | 0 | 6 s |
| Scale constrained | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-15 00:21 | no | 0 | 10 s |
| Scale constrained | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-15 01:45 | yes | 6 | 23 s |
| Scale constrained | Perplexity Sonar | sonar | 2026-09-15 02:47 | yes | 17 | 7 s |
| Scale constrained | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 04:26 | yes | 0 | 8 s |
| Scale constrained | Mistral Small | mistral/mistral-small via mistral | 2026-09-15 00:57 | yes | 0 | 7 s |
| Scale constrained | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via fireworks | 2026-09-15 00:48 | yes | 0 | 20 s |
| Scale constrained | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 05:05 | yes | 0 | 3 s |
| Scale constrained | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-14 22:52 | no | 0 | 31 s |
| Scale constrained | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-14 23:08 | yes | 0 | 28 s |
| Scale constrained | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-14 23:34 | yes | 0 | 19 s |
| Scale constrained | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-15 04:55 | yes | 0 | 17 s |
| Negative framing | Claude Haiku 4.5 | claude-haiku-4-5-20251001 | 2026-09-15 02:32 | yes | 14 | 8 s |
| Negative framing | GPT-5.4 mini | gpt-5.4-mini-2026-03-17 | 2026-09-14 23:23 | yes | 4 | 4 s |
| Negative framing | Gemini 3.5 Flash | gemini-3.5-flash | 2026-09-15 00:26 | yes | 24 | 24 s |
| Negative framing | Perplexity Sonar | sonar | 2026-09-15 02:55 | yes | 20 | 5 s |
| Negative framing | Grok 4.20 | spacexai/grok-4.1-fast-non-reasoning via vertex (asked for grok-4.20-non-reasoning; the API answered as this version) | 2026-09-15 01:53 | yes | 0 | 10 s |
| Negative framing | Mistral Small | mistral/mistral-small via mistral | 2026-09-15 02:16 | yes | 0 | 15 s |
| Negative framing | DeepSeek V4 Flash | deepseek/deepseek-v4-flash via fireworks | 2026-09-15 02:07 | yes | 0 | 23 s |
| Negative framing | Llama 4 Maverick | meta/llama-4-maverick via bedrock | 2026-09-15 02:47 | yes | 0 | 2 s |
| Negative framing | Qwen 3.7 Flash | alibaba/qwen3.7-flash via alibaba | 2026-09-15 00:55 | yes | 0 | 61 s |
| Negative framing | Kimi K2 | moonshotai/kimi-k2 via novita | 2026-09-15 00:53 | yes | 0 | 56 s |
| Negative framing | GLM 4.7 FlashX | zai/glm-4.7-flashx via zai | 2026-09-15 05:04 | yes | 0 | 25 s |
| Negative framing | MiniMax M2.5 | minimax/minimax-m2.5 via minimax | 2026-09-15 03:37 | yes | 0 | 34 s |
Every judgment call made between the raw labels and the numbers above, listed so it is visible and reversible.
ShowHide