How do their growth rates compare?

Numerous.ai has a month-over-month growth rate of -17%; Respond.io has -8.7%.

How does pricing compare?

Numerous.ai: Freemium, Free Trial, Paid. Paid subscription with a paid trial: 7-day trial for $1, then a per-person plan that includes 1,000,000 characters of ChatGPT input and output per person, usable in both Google Sheets and Excel. Annual billing saves around 57%. Cancel anytime and keep remaining tokens; custom plans available on request. Respond.io: Freemium. Freemium with a free trial. Paid tiers scale by users and monthly active contacts, and WhatsApp messaging fees are billed separately by the channel provider.

What are alternatives to Numerous.ai and Respond.io?

Other tools in related categories include Intercom, Gorgias, Crisp, AiSensy, Tidio.

Numerous.ai vs Respond.io — Traffic (128.83K vs 1.61M), Pricing & Verdict

Open AI Tools

Numerous.ai vs Respond.io — Traffic (128.83K vs 1.61M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Numerous.ai	Respond.io
Official Domain	numerous.ai	respond.io
Pricing Model	Freemium, Free Trial, Paid	Freemium
Monthly Visits	128.83K (128,828)	1.61M (1,606,802)
MoM Traffic Delta	-26.39K (-17%)	-152.34K (-8.7%)
Primary Market & Share	🇺🇸 United States (20.1%)	🇲🇾 Malaysia (17.4%)
Direct Visits / mo	32.73K	1.24M
User Rating	4.5	4.5
Supported Platforms	Website	Website

Numerous.ai

ChatGPT inside Google Sheets and Excel, with no API keys required

AI as a spreadsheet formula

Use AI in any cell through a simple function — no API keys, no external chat window, no copy-paste between tabs.

Bulk processing with caching

Drag a single prompt down a column to process thousands of rows, with identical queries cached so you are not charged twice for the same work.

Summarisation and classification

Summarise, rewrite, extract and classify long bodies of text such as surveys, articles or social posts into clean structured columns.

Marketing content at scale

Generate ad copy, keyword lists, SEO content and campaign structures directly from your sheet's own data.

Strengths & Pros

+Works inside the tools teams already use, so no new workflow to learn
+No API keys or provider accounts to set up
+Query caching keeps bulk runs cost-efficient, especially across thousands of rows
+One plan covers the whole team in both Google Sheets and Excel