AI Tools for HR
Comparison · 6 toolsHR & People Ops
AI Tools for HR compared
Every tool in our HR & People Ops stack, side by side. Ratings, pricing, what each one is genuinely best at — and the picks we'd actually recommend.
Our picks
Best overall
Paradox (Olivia)
8.6/10Paid (per-hire or per-req pricing)
The AI assistant 'Olivia' that screens, schedules and answers candidates over SMS and WhatsApp.
Why: Highest overall rating in the HR & People Ops stack.
Best on a budget
Notion AI
8.3/10Freemium (AI add-on ~$10/user/mo)
Turns your Notion workspace into a searchable, drafting-capable HR knowledge base.
Why: Strongest free or freemium option that still holds up under real workloads.
Best for enterprise
Textio
8.4/10Paid (enterprise pricing on request)
The bias-aware writing layer for job ads, performance reviews and manager comms.
Why: Built with SSO, audit trails and procurement-friendly contracts.
The full comparison
Sorted by rating. Every row links straight to the full review.
| Tool | Rating | Pricing | Best for | Not for | Review |
|---|---|---|---|---|---|
Paradox (Olivia) The AI assistant 'Olivia' that screens, schedules and answers candidates over SMS and WhatsApp. | 8.6/10 | Paid (per-hire or per-req pricing) | TA teams hiring hourly, seasonal or high-turnover roles at scale. | Bespoke exec search or senior technical hiring where every candidate needs a human. | Read → |
Textio The bias-aware writing layer for job ads, performance reviews and manager comms. | 8.4/10 | Paid (enterprise pricing on request) | In-house talent and HRBP teams that write a lot of external copy — job ads, offer letters, review write-ups. | Teams hiring fewer than 10 people a year — the ROI won't show up. | Read → |
Notion AI Turns your Notion workspace into a searchable, drafting-capable HR knowledge base. | 8.3/10 | Freemium (AI add-on ~$10/user/mo) | Notion-native companies that want AI without adopting another platform. | Organisations standardised on SharePoint or Confluence. | Read → |
Otter.ai Records, transcribes and summarises 1:1s, interviews and grievance meetings so HR can be present, not typing. | 8.2/10 | Freemium (paid tiers from ~$10/user/mo) | HRBPs, ER investigators and recruiters running lots of structured conversations. | Anywhere consent to record is a legal or cultural blocker. | Read → |
Leena AI A conversational HR agent that answers policy questions, resets passwords and raises tickets from Slack, Teams or intranet. | 8.1/10 | Paid (per-employee licensing) | HR ops teams supporting 500+ employees who drown in Tier-1 tickets. | Small teams where a shared inbox is still faster than a chatbot. | Read → |
Effy AI Runs 360 reviews inside Slack or Teams and hands managers an AI-drafted summary instead of a blank page. | 8.0/10 | Freemium (free tier + paid team plans) | Startups and scale-ups running quarterly or bi-annual reviews on a light-touch process. | Enterprises with existing Workday/SAP performance modules they must feed. | Read → |
Strengths & trade-offs at a glance
Paradox (Olivia)
8.6/10Pros
- Cuts time-to-schedule from days to minutes; measurable no-show reduction.
- Meets candidates where they already are (SMS/WhatsApp), not in email.
- Integrates with Workday, SuccessFactors, Greenhouse and most ATSs.
Cons
- Requires clean must-have criteria; garbage-in, garbage-out on screening.
- Enterprise procurement cycle — not a Friday-afternoon buy.
- Personality of 'Olivia' is fixed; limited voice customisation.
Textio
8.4/10Pros
- Real-time bias detection with concrete rewrite suggestions, not vague warnings.
- Benchmarks your language against millions of ads and their measured hiring outcomes.
- Performance-review module flags evaluative language that skews by gender.
Cons
- Priced for organisations, not individual recruiters.
- Suggestions are US-English biased; UK teams occasionally override.
- Setup and adoption require exec sponsorship to stick.
Notion AI
8.3/10Pros
- Zero-friction rollout if you're already on Notion.
- Grounded Q&A over your workspace, with page citations.
- Great for handbook, policy and onboarding drafts.
Cons
- Only as good as your workspace hygiene.
- Not a replacement for a purpose-built HR helpdesk.
- Limited controls over what content the AI can and cannot read.
Otter.ai
8.2/10Pros
- Reliable UK-English transcription accuracy.
- Speaker separation and time-stamps out of the box.
- Auto-summary and action items save the write-up.
Cons
- Consent handling is on you — some jurisdictions require dual consent.
- Data residency defaults to the US; check before enabling.
- Free plan minute cap fills up fast for busy HRBPs.
Leena AI
8.1/10Pros
- Deflects 60–80% of common HR requests according to published case studies.
- Deep HRIS integrations (Workday, SAP SuccessFactors, BambooHR).
- Multilingual, useful for global workforces.
Cons
- Content quality depends on the state of your knowledge base going in.
- UI feels enterprise-heavy; not the sleekest chat experience.
- Change management is the real work — buying it is easy.
Effy AI
8.0/10Pros
- Extremely fast to launch — first review cycle live in a day.
- Free tier covers small teams end to end.
- Reviews land in Slack/Teams where people already are.
Cons
- Not a calibration or comp-decision tool — you'll still need a spreadsheet.
- Limited customisation on rating scales in lower tiers.
- Best when everyone is already on Slack or Teams.