Onlim vs Open

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed October 2026

Onlim

Onlim GmbH

AI Agents for Voice and Chat. Automate customer inquiries via phone, chat, email, and WhatsApp.

Paid

77% verification coverage

Open

OpenChat, Inc.

The unified AI customer support platform

Paid

82% verification coverage

Trust & Reliability

Onlim

Customers (per vendor):WienerNetze, Netto, Wien Energie +7

GDPR

Open

Customers (per vendor):Booking.com, MoneyGram, Toters +7

GDPR

SOC 2

Too Close to Call

Open (7.1) vs Onlim (6.7) — difference of 0.4 points

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Onlim

6.7

avg score

Open

7.1

avg score

Both tools score very similarly overall — the best choice depends on your specific priorities.

Based on 7 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Too close to call — it's a tie

Onlim

Best For

Mid-sized companies in the DACH region automating recurring inquiries

Companies in healthcare needing secure AI agents

Financial service providers requiring compliance-ready AI

Energy suppliers automating customer service

Open

Best For

Support teams of every size seeking to automate customer interactions

Enterprises requiring compliant AI for mission-critical customer support

Businesses looking to unify customer experience across multiple channels

Companies aiming to reduce ticket volume and improve CSAT

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Onlim is best for

💬Chat & Conversation7.1🤖Automation & Agents7.0🎵Audio & Voice7.0

Open is best for

🎧Customer Support8.1🤖Automation & Agents7.7💬Chat & Conversation7.6

Filter by your use case:

Limitations

Onlim

Cons

Basic plan is limited to 500 voice minutes per month
Basic plan supports up to 5 concurrent calls
Basic plan only supports simple FAQs and standard appointments
Setup fees apply to all plans

Open

Cons

Pricing is volume-based and requires a custom quote for high volumes (above 100k resolutions/month)
Carrier minutes for telephony are an additional pass-through cost
Requires integration with existing helpdesk/CRM systems for full functionality
No explicit mention of a free tier or trial for the full platform, only a demo request
The $2 million refund guarantee is limited to the first 120 days of use

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Onlim

6.7

/ 10

Open

7.1

/ 10

Your pick

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Onlim

7.0▲ +4.0

Open

3.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Onlim

7.0

Open

8.0▲ +1.0

Support

How strong is the documentation, customer support, community, and learning resources?

Onlim

7.0

Open

8.0▲ +1.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Onlim

7.0

Open

10.0▲ +3.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Onlim

4.0

Open

7.0▲ +3.0

Performance

Calculated

Latency + throughput speed

Onlim

8.0

Open

8.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Onlim

7.0▲ +1.0

Open

6.0

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Onlim

Task

Open

5.0

Ticket Management

9.0

8.0

Auto Resolution

9.0

8.0

Knowledge Base

9.0

8.0

Live Chat

8.0

4.0

Sentiment Analysis

7.0

Escalation Rules

9.0

Multi Channel Support

10.0

6.0

Response Templates

7.0

4.0

Sla Tracking

7.0

6.0

Customer Satisfaction

8.0

7.0

Conversation Quality

8.0

6.0

Context Retention

7.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Onlim and Open?

Onlim — "AI Agents for Voice and Chat. Automate customer inquiries via phone, chat, email, and WhatsApp". Open — "The unified AI customer support platform". The Features section on this page compares them side by side.

Who is Onlim best for compared with Open?

Onlim is best for Mid-sized companies in the DACH region automating recurring inquiries; and for Companies in healthcare needing secure AI agents. Open is best for Support teams of every size seeking to automate customer interactions; and for Enterprises requiring compliant AI for mission-critical customer support.

How does the pricing of Onlim compare with Open?

Onlim is paid, paid plans start at $149/month. Open is paid, includes a free plan. Always verify current pricing with the vendor.

Does Onlim or Open have a free plan?

Onlim lists no free plan. Open has a free plan. Always verify current pricing with the vendor.

Do Onlim and Open offer an API?

Onlim offers API access on its enterprise plans. Open offers a public API.

Explore Alternatives

Onlim Alternatives

Tools similar to Onlim

Open Alternatives

Tools similar to Open

Compare More AI Tools

Use our comparison tool to compare up to 5 AI tools side-by-side with AI-powered recommendations.