Pick AI Ark if you want a global, verified export file at a price you can read on a page, and you already own your sending stack. Pick Cognism if you need phone-verified European mobiles, DNC screening and CRM-native workflows in one platform, and you can sign an annual contract. Most teams shopping for a Cognism alternative want the first thing.
Last updated: September 2026.
Key takeaways
Different jobs. AI Ark is a discovery and enrichment database that hands you a verified CSV or API response. Cognism is a sales intelligence platform built around phone-verified mobiles, signals and CRM sync.
Different point of validation. AI Ark checks every email against BounceBan as you export, and only addresses that pass reach the file. Cognism runs a 16-step verification process across its database ahead of delivery.
Refresh cadence. AI Ark refreshes its entire database of 400 million people and 70 million companies every 30 days. Cognism refreshes director level and above on a 30-day cycle.
Pricing models aren't comparable directly. AI Ark publishes every tier: 5,000 credits for $49 a month, 60,000 for $470 a year, rollover up to 2x your plan. Cognism publishes no prices, its credits expire at term end, and Vendr puts its median contract at $36,000 a year.
Export shape. AI Ark exports 10,000 records per batch. Cognism's fair usage policy sets 25 records per export action and 2,000 per user per month.
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AI Ark vs Cognism at a glance
Feature | AI Ark | Cognism |
Category | Company and people discovery database with enrichment | Sales intelligence platform |
Database size | 400M+ people, 70M+ companies, global | Not publicly stated |
Email validation | Real-time BounceBan check at export; invalid, unknown and risky addresses dropped before the file is written | 16-step verification across the database |
Published accuracy | Only addresses that passed verification are delivered; bounce rate under 1.5% expected | 87% on phone-verified mobiles |
Catch-all addresses | Resolved individually and delivered as "Catch-All Valid" only when that mailbox is confirmed; risky and unknown catch-alls filtered out | Not publicly stated |
Database refresh | Entire database every 30 days | Director level and above every 30 days |
Pricing model | Published credit tiers, monthly or annual, no seat minimum | Quote-only, annual, 5 seats included per package |
Published entry price | $49/month for 5,000 credits; $470/year for 60,000 credits | Not publicly stated |
Credit rollover | Yes, up to 2x your monthly plan balance | No |
Free tier | Yes; free account runs real searches and shows live counts before you pay | No; free data sample by form, returned in about 72 hours |
Native CRM sync | API plus Zapier, Make, n8n and Clay | Yes |
API | Yes: People Search, Company Search, Email Finder, Mobile Finder and Reverse Lookup, priced identically to web exports, 300 requests/minute | Yes; requires a seat |
MCP server | Yes, hosted; works in Claude, Cursor and Windsurf | None published |
Export ceiling | 10,000 records per batch, custom export templates, Net New filter to page through larger sets | 25 per export action; 2,000 per user per month |
Bulk input search | Yes; paste up to 10,000 domains, LinkedIn URLs or company names at once | Yes, CSV upload |
What Teams Say About AI Ark
What is AI Ark?
AI Ark is a B2B company and people search engine, built for teams running their own outbound: agencies, SDR teams, RevOps groups and founders who already have a sending tool, a CRM and a sequencer. We cover more than 400 million people and 70 million companies globally, refreshed every 30 days.
The assumption is that you own your outreach stack and don't want to replace it. AI Ark's job is to hand you a file you can upload without a second thought. Every email in it was checked against BounceBan at the moment of export. That's a narrow job, and it's the whole job.
What separates AI Ark is the filters and the duplicate handling. Company Lookalike takes up to five reference URLs and finds semantically similar companies on what each business actually does, reading the description, products and keywords rather than matching on headcount. Net New versus Saved Records means you never pay twice for a contact. And the filter set carries what most databases don't: headcount growth over 6, 12 or 24 months, employees by department, time in role separate from time at company, company HQ separate from where the person sits, economic zones, profile badges, and keywords scoped to one section of a profile.
What is Cognism, and when do teams look for a Cognism alternative?
Cognism is a London-based sales intelligence platform, founded in 2015 and used by more than 4,000 revenue teams. It sells Sales Prospecting in Standard and Pro packages with five seats each, CRM Enrichment standalone or as an add-on, and Data-as-a-Service for API and bulk delivery. The positioning is European B2B data with compliance built in, for mid-market and enterprise teams with at least five salespeople.
Its database comes from a community contribution layer, public information across websites, job postings, news feeds and registries, machine learning models that infer technology usage, and partnerships with Bombora and CB Insights. Records pass through five stages: confidence scoring, automated verification, do-not-call screening, manual review by data scientists, and a popularity score that sets refresh priority. Its distinctive asset is the in-house research team that manually validates mobile numbers to produce Diamond Data. On the platform side: firmographic, technographic and signal-based filters, 20,000+ technologies, hiring, funding, M&A and job-change signals, AI research and persona tools, natural-language search, SSO, a Chrome extension over LinkedIn, and native sync to Salesforce, HubSpot, Pipedrive, Dynamics, Outreach and Salesloft.
On pricing, Cognism is upfront about being quote-only. No list prices, no free plan, no self-serve trial; the entry point is a demo or a data sample returned in about 72 hours. It also declines to publish a database size, reasoning that coverage of your target market matters more than a headline number. That fits buyers running formal procurement with budget approved, and fits teams wanting to test something this afternoon far less. That gap is why people go looking for an alternative to Cognism.
See how AI Ark handles your ICP.
Free tier, 100 credits a month, no card and no sales call.
Data quality: where validation happens
Both companies verify emails. The difference is when, and what happens to the ones that fail.
How AI Ark does it
AI Ark verifies at export, not in advance. Every address goes to BounceBan in real time for SMTP checks and catch-all resolution. Anything invalid, unknown or risky is removed, and only addresses that passed reach your file. That's why a verified export can take 30 minutes, and it's what a bounce rate under 1.5% is built on.
Catch-alls are the part most providers hand back as a problem. Those servers accept mail to any address, so a standard check can't tell a real mailbox from a typo, and most tools just mark the category risky. AI Ark resolves them individually and flags them Catch-All Valid only where the mailbox is confirmed.
About 70% of contacts in a typical export come back with a verified email. That's a find rate, not an accuracy rate, and the two get confused constantly. The other 30% still arrive as complete records with LinkedIn URL, title and firmographics, enough for LinkedIn outreach.
How Cognism does it
Cognism verifies ahead of delivery, through what it describes as a 16-step process across the database. Personal addresses are excluded, so what you get is a notified B2B email set. Mobiles get heavier treatment, including manual verification for Diamond Data.
Cognism publishes no email accuracy percentage. Its FAQ answers that with methodology rather than a figure, and its terms note accuracy varies by region and isn't guaranteed. The one hard number it publishes is 87%, covering phone-verified mobiles. The closest proxy for email sits on its own compliance page, where ComplyAdvantage reports a 7% internal bounce benchmark and puts Cognism at 6%.
On Capterra UK, where Cognism holds 4.7 out of 5 from 263 reviews, a July 2026 reviewer rated European mobile coverage highly, then noted coverage drops off outside Europe and that export credit limits bottleneck larger list builds.
The trade-off, stated fairly
Cognism's model shows you a contact's data status before you spend a credit, and reveals are instant because the verification already happened. AI Ark cannot pre-filter to people who have an email, because the check runs at export. In return, the check is minutes old rather than months, and you never pay for an address that failed.
Verification at export catches what pre-verification structurally cannot: the address that was valid last month and is dead today. A check run at ingestion is only as fresh as the day it ran. Either way the test is cheap. Export the same 500 contacts from both, send, and compare bounce reports on your own ICP.
True cost: what a valid lead actually costs
List price is the wrong comparison because the two sell different units. AI Ark sells credits that convert into verified records. Cognism sells a subscription with seats, integrations, support and a credit allocation inside it. What transfers is cost per contact you can actually send to.
Published pricing
Cognism
Plan | Monthly | Annual | Seats | Credits |
Standard | Not offered | Not publicly stated | 5 included | Custom allocation, not published |
Pro | Not offered | Not publicly stated | 5 included | Custom allocation, not published |
CRM Enrichment | Not offered | Not publicly stated | Add-on or standalone | Included in subscription |
Data-as-a-Service | Not offered | Not publicly stated | API needs a prospecting seat | Priced on records and volume |
AI Ark
Plan | Credits per month | Monthly billing | Annual billing (credits per year) | Seats included |
Free | 100 | $0 | $0 | 1 |
Starter | 5,000 to 30,000 | $49 to $119 | $470 for 60,000 to $1,142 for 360,000 | Up to 3 |
Builder | 60,000 to 300,000 | $219 to $879 | $2,102 for 720,000 to $8,438 for 3,600,000 | Up to 5 |
Scale (Agency & Enterprise) | 450,000 to 5,000,000 | $1,249 to $9,999 | $11,990 for 5,400,000 to $95,990 for 60,000,000 | 10 |
On AI Ark, a person profile costs 0.5 credits, a verified email adds 0.5, a company record 0.1, a mobile 5. On Cognism, one credit reveals one contact, credits are shared across prospecting, Enrich and the API, and are only spent again if that contact changes jobs.
A worked scenario
Take a team of three needing 5,000 verified contacts a month, 60,000 a year, that owns its sending tool.
AI Ark. At a 70% find rate, 60,000 verified emails means exporting about 85,700 records: 42,857 credits for profiles plus 30,000 for emails, roughly 72,900 a year. The annual 180,000-credit package at $758 covers that, which works out at $12.60 per 1,000 valid contacts. On the monthly 15,000-credit plan it's $948 a year, or $15.80 per 1,000. A five-person team moves to the Builder band, which includes five seats, and the cost still stays under $40 per 1,000.
Cognism. No list price exists, so the honest input is third-party procurement data. Vendr reports a median contract of $36,000 a year, with buyers negotiating 26% off on average. Across 60,000 reveals that's $600 per 1,000 revealed. Since Cognism publishes no email accuracy figure, the closest proxy is the 6% bounce rate on its compliance page , which puts it at about $640 per 1,000 valid.
Same method both sides: annual plan cost divided by valid contacts delivered, stated per 1,000, at the cheapest plan covering the volume. Two caveats. Cognism doesn't publish how many reveals $36,000 includes, and Vendr notes overages are common past the allocation. Cognism's figure also covers seats, CRM sync and support; weigh it against the whole set of tools you would otherwise buy, not against AI Ark alone.
The counterpoint, stated honestly
If you have no stack at all, the comparison changes: weigh Cognism's contract against everything you would otherwise buy separately, not against AI Ark alone. The same applies if your motion is the phone, where verified mobiles and registry screening are what you are paying for.
The line item most comparisons miss is verification. Unverified data must be cleaned before it's safe to send, and that cost lands elsewhere: a verifier plus the hours running lists through it. AI Ark absorbs that at export; Cognism absorbs it ahead of delivery. Compare either against a provider handing you raw addresses and add the verifier cost to that side.
Work out your own number.
Compare published pricing against what your current contract costs per verified contact.
Features side by side
Finding the right accounts
Feature | AI Ark | Cognism |
Company search with firmographic filters | Industry, location, annual revenue, founding year, and actual headcount rather than the self-reported LinkedIn size range | Yes |
AI Lookalike (semantic company matching) | Up to 5 reference URLs; matches on description, products and services and keywords, then layer your own filters on the result | No |
Headcount growth filter | Minimum growth percentage over 6, 12 or 24 months | Hiring and expansion signals |
Employees by department | Filter on department size, e.g. large engineering team, small sales team | Not documented |
Technographics | Yes | Yes |
Funding | Yes | Yes |
Cognism doesn't publish a full filter list, so rows marked "not documented" reflect what appears on its public product, pricing and help pages as of September 2026.
Finding the right people
Feature | AI Ark | Cognism |
Job title / seniority / function | Organization Role filter for C-Suite, VP and Director, refined by function within a department | Yes |
Person location separate from company HQ | Yes, e.g. people in London at companies headquartered in San Francisco | Not documented |
Time in role vs time at company | Two separate filters; combine them to isolate recent internal promotions | Not documented |
Keyword search scoped to a profile section | Restrict a keyword to the headline, summary or skills section only | Not documented |
Match modes (Smart / Word / Strict) | Smart expands to related titles, Word allows extra words, Strict matches characters exactly | Not documented |
Profile badges | Include Premium members, exclude Open to Work | Not documented |
Economic zone filters | EU, G7, G20, plus continents, world regions, states and cities | Not documented |
Batch title paste | Up to 300 comma-separated terms in one paste | Not documented |
Max people per company | Cap contacts per organisation at export, e.g. 5, to keep a list diverse | Not documented |
Getting data out and using it
Feature | AI Ark | Cognism |
Bulk export ceiling | 10,000 records per batch; Net New filter pages through larger sets without re-exporting | 25 per export action; 2,000 per user per month |
Custom export templates | Drag-and-drop column selection, saved and reusable | Not documented |
Duplicate protection | Yes: Net New vs Saved Records | Yes |
Bulk input search | Paste up to 10,000 domains, LinkedIn URLs or company names, then pull all employees at those accounts | Yes, CSV upload |
API access | People Search, Company Search, Email Finder, Mobile Finder and Reverse Lookup at web-export credit rates, 300 requests per minute | Yes; requires a seat |
MCP server | Yes, hosted; works in Claude, Cursor and Windsurf | None published |
Clay / n8n / Make / Zapier | Yes via API, with published Clay templates and a walkthrough; native Push to Clay in development | Zapier |
Native CRM sync | API and Zapier, Make or n8n | Yes |
Neither product sends email or makes calls. Both expect you to bring a sequencer.
Compliance and data sourcing
We're a B2B search engine and data provider, and we process data under the lawful basis of legitimate interest for B2B purposes, GDPR Article 6(1)(f). Our records come from public sources, community contributions and partner networks, with validation algorithms run across them before anything reaches you. We adhere to GDPR and CCPA.
Individuals can ask to be removed from our database. Our terms set out what customers may not do with exported data. Data you upload for enrichment or exclusion lists stays in your workspace.
Cognism holds ISO 27001 and ISO 27701 certification, is attested for SOC 2 Type II in security and availability, notifies business contacts of their inclusion within GDPR timeframes, and screens telephone data against fifteen do-not-call and preference registries across the UK, US, Australia, New Zealand and much of western Europe. It processes under legitimate interest, generally keeps data in the EEA, is a registered California data broker, and publishes an opt-out form.
Choose Cognism if
Your primary outbound motion is the phone, into Europe, and connect rate is what your team is measured on. Cognism's mobiles are manually validated by a research team.
You need DNC and preference screening as a standing control rather than a policy document. Cognism screens fifteen national registries as standard and lets admins decide whether suppressed records are visible to reps.
Procurement requires certificates at signature. Cognism holds ISO 27001 and ISO 27701 certification, SOC 2 Type II attestation and notified-database status.
Your reps work inside Salesforce, HubSpot, Dynamics, Outreach or Salesloft and won't adopt a tool outside them. Cognism syncs natively to all five and runs a browser extension over LinkedIn.
You want intent in the same contract as your contact data. Cognism includes Bombora Company Surge with up to 12 topics from a library of 11,000, alongside hiring, funding, M&A and job-change signals.
You have five or more sellers, an annual budget cycle and a defined European ICP. Cognism's packaging assumes that shape.
Choose AI Ark if
Email is your primary channel and you want a file you can send from without a second verification pass. Every address is checked at export and failures are removed rather than labelled.
You need the price before you talk to anyone. Every tier is published, billing can be monthly, there's no seat minimum or annual commitment, and unused credits roll over up to twice your plan balance.
You build lists in thousands, not dozens. 10,000 records per batch, custom column templates, bulk input of 10,000 domains, and a Net New filter that pages through a 50,000-record market.
Your targeting depends on filters most databases don't carry: headcount growth over a set window, employees by department, time in role separate from time at company, or a keyword restricted to the skills section.
You're working from a customer list rather than a filter set. Company Lookalike takes five of your best accounts, finds semantically similar companies, and lets you layer size, geography and keyword filters on top.
You're building agent-driven workflows. API calls price the same as web exports, run at 300 requests a minute, and a hosted MCP server lets Claude, Cursor or Windsurf query the database directly.
Most teams that move to AI Ark aren't leaving a platform behind, they're replacing the data layer under one they already like. If you own your sequencer and CRM and what you need is a verified file, that's the whole product.
Frequently Asked Questions
1. Is AI Ark a direct replacement for Cognism?
For the data layer, yes. For the workflow layer, not yet. AI Ark covers discovery, filtering, enrichment and verified export, which is what most teams use Cognism for day to day. Native CRM sync and the browser extension are on the roadmap; intent and manually verified mobiles work differently here and always will. So teams that use Cognism as a source of exportable contacts switch cleanly today. Teams that use it as a workflow hub keep a small seat count until the sync and extension land.
2. Is AI Ark's data more accurate than Cognism's?
AI Ark delivers only addresses that passed verification at export, and expects a bounce rate under 1.5%. Cognism publishes no email accuracy figure; a customer on its compliance page reports 6% bounces, and its published 87% covers mobiles, not email.
3. Do I still need a separate email verifier with AI Ark?
No. Verification happens inside the export. Every address is checked against BounceBan before the file is written, and anything invalid, unknown or risky is removed rather than flagged for you to handle. Upload the CSV straight into Smartlead, Instantly or Email Bison.
4. What happens with catch-all domains?
Catch-all servers accept mail to any address, so most tools mark the whole category risky and hand the problem back to you. AI Ark resolves them individually through BounceBan and delivers them flagged Catch-All Valid only where the mailbox is confirmed. The rest are dropped. Cognism doesn't publish its handling.
5. Which is cheaper, AI Ark or Cognism?
On cost per valid contact, AI Ark. For a team of three needing 60,000 verified contacts a year, AI Ark works out at $12.60 per 1,000 on the annual 180,000-credit package, or $15.80 per 1,000 billed monthly. Cognism, at Vendr's $36,000 median and its published 6% bounce figure, is about $640 per 1,000. With no stack at all, compare Cognism's contract against the tools you would otherwise buy, not against AI Ark alone.
6. Does AI Ark have phone-verified mobiles like Cognism's Diamond Data?
Not in the same form, and it's worth being clear why. AI Ark carries verified mobile numbers across more than 100 million profiles at 5 credits each, charged only when a number is returned, coverage at scale, priced per result. Diamond Data is manual validation by a research team: a smaller set, validated by people, priced accordingly. Expanding mobile coverage and verification depth is on our roadmap; replicating a manual research desk isn't. For email-first teams the mobiles are a supplement to a file where every email has already been verified, and the economics favour our model heavily. For dial-first teams working a short, high-value account list, Cognism's approach is the better fit.
7. Can I use AI Ark inside Clay?
Yes. Use the HTTP Request module in Clay with your AI Ark API key; templates and a walkthrough are in the docs, and a native Push to Clay button is in development. The Export Single Person with Email endpoint takes a LinkedIn URL or Person ID and returns a validated email. The same endpoints work in n8n, Make and Zapier.
8. Can I try both before deciding?
Yes, and it costs nothing either side. AI Ark has a free account: run real searches, apply filters and see live counts for your target market before paying anything. Cognism has no free plan or self-serve trial, but returns a free data sample by email in about 72 hours if you submit your ICP.
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