FullContact vs Prospeo
Zero of fourteen models named FullContact first on the direct prompt; zero named Prospeo. FullContact was named by nine of the fourteen models and Prospeo by eight and FullContact carries 16 labels and Prospeo 10, so the shares are not directly comparable.
Denver, United States, founded 2010. Named in four categories this edition.
Named in eleven categories this edition.
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 identity resolution page.
By framing
FullContactFirst choices, of fourteen modelsProspeo
Across every category in the October 2026 Edition, FullContact and Prospeo were named in the same answer sixteen times, of the 55 answers naming FullContact and the 99 naming Prospeo. In those answers Prospeo took the first choice zero times and FullContact two.
Every model, every framing
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | ||||||
| Perplexity Sonar | | |||||
| Grok 4.1 Fast | | |||||
| 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 | | |
FullContact Prospeo first choice named as an alternative argued againstblank: not namedEach cell is one answer, FullContact on the left and Prospeo on the right.The direct prompt
Neither was the first choice, one was named
2 of 14 modelsThe answer put something else first and named one of the two as an alternative.Neither was named
12 of 14 modelsThe answer made no first choice from these two in this category.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
FullContact10%#1 of 15Prospeo8%#4 of 15FullContact4%#3 of 11Prospeo4%#4 of 11FullContact2%#– of 12Prospeo2%#– of 12What the models said about FullContact
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of four in this category shown.
“FullContact is purpose-built for consumer identity resolution... it is not a B2B prospecting or go-to-market execution platform.” Muse Glimmer 30B · paraphrase prompt · soft negative
“I'd suggest starting with FullContact's free tier or Prospeo's free plan to test capabilities” MiniMax M2.5 · budget prompt · first choice
“If you need a SaaS API quickly with minimal spend: FullContact for general identity resolution” Muse Glimmer 30B · budget prompt · first choice
“FullContact offers great entry points where you can pay for what you use and grow as you go” Claude Haiku 4.5 · budget prompt · alternative
What the models said about Prospeo
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Two of two in this category shown.
“1. Prospeo - for B2B contact resolution with 300M+ profiles and 98% accuracy, starting at free (75 emails/mo)” Llama 4 Maverick · paraphrase prompt · first choice
“starting with FullContact's free tier or Prospeo's free plan” MiniMax M2.5 · budget prompt · first choice
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.