Millis AI vs Thoughtly

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

Data last refreshed October 2026
Millis AI logo

Millis AI

TMate Inc.

Build next-gen voice agents with ultra-low 600ms latency

Paid
71% verification coverage
VS
Thoughtly logo

Thoughtly

Thoughtly, Inc.

Everyone deserves a follow up.

Freemium
80% verification coverage

Trust & Reliability

Millis AI

Customers (per vendor):Evergrowth, Annie, GPT Nexus +4
GDPR

Thoughtly

Uptime:100.0%Status page
Users:1K-10K
Customers (per vendor):Centracom, Nomad, 2U +7
GDPR
SOC 2
HIPAA

Overall Winner: Thoughtly

7.3/10 vs Millis AI at 5.9/10

Leads in:
Performance
Integration
Support

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

AI Comparison Summary

Millis AI

5.9

avg score

Thoughtly

7.3

avg score

Thoughtly leads overall — particularly in Support and Integration and 3 more.

Millis AI has an edge in Ease of Use.

Based on 7 dimensions

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

Overall Winner

Thoughtly

7.3 / 10

Millis AI

Best For
Developers building voice applications
Businesses automating customer support
Teams creating virtual assistants
Innovators developing voice-enabled devices

Thoughtly

Best For
Revenue teams getting inbound conversion off the ground
Teams running production inbound across multiple channels
Regulated verticals and high-volume operations
Education enrollment teams qualifying program fit

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

Millis AI is best for

🎵Audio & Voice7.0✍️Writing & Content6.0🎨Image & Design6.0

Thoughtly is best for

🤖Automation & Agents8.2✍️Writing & Content8.0🎵Audio & Voice7.0

Filter by your use case:

Limitations

Millis AIMillis AI

Cons

No cons listed yet.

ThoughtlyThoughtly

Cons

  • Flex plan has a limit of 10 concurrent calls
  • Scale plan has a limit of 100+ concurrent calls
  • Custom LLM and dedicated infrastructure are only available on the Enterprise plan
  • HIPAA, BAA, PCI scope review, SSO, and SCIM are only available on the Enterprise plan
  • Uptime SLA is 99.9% for Scale, but custom for Enterprise
  • Self-serve onboarding for Flex plan, white-glove for Scale, custom for Enterprise
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

Ease of UseCustomizationSupportIntegrationCompliancePerformancePlanning

Millis AI

5.9

/ 10

Thoughtly

7.3

/ 10

Clear winner

Dimension Breakdown

Ease of Use

AI

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

Millis AI
9.0▲ +3.0
Thoughtly
6.0

Customization

Calculated

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

Millis AI
6.0
Thoughtly
7.0▲ +1.0

Support

AI

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

Millis AI
5.0
Thoughtly
8.0▲ +3.0

Integration

Calculated

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

Millis AI
6.0
Thoughtly
9.0▲ +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

Millis AI
3.0
Thoughtly
5.0▲ +2.0

Performance

Calculated

Latency + throughput speed

Millis AI
8.0
Thoughtly
10.0▲ +2.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Millis AI
4.0
Thoughtly
6.0▲ +2.0

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

Millis AI

Task

Thoughtly

8.0
Latency Ttft
8.0
6.0
Speech Recognition Accuracy
6.0
8.0
Voice Naturalness
8.0
8.0
Interruption Handling
7.0
7.0
Turn Taking
7.0
6.0
Context Retention
8.0
7.0
Multilingual Support
8.0
2.0
Emotion Detection
6.0
6.0
Call Routing Transfer
9.0
4.0
Crm Integration
9.0
1.0
Ticket Management
4.0
6.0
Auto Resolution
6.0

* 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 Millis AI and Thoughtly?
Millis AI — "Build next-gen voice agents with ultra-low 600ms latency". Thoughtly — "Everyone deserves a follow up". The Features section on this page compares them side by side.
Who is Millis AI best for compared with Thoughtly?
Millis AI is best for Developers building voice applications; and for Businesses automating customer support. Thoughtly is best for Revenue teams getting inbound conversion off the ground; and for Teams running production inbound across multiple channels.
How does the pricing of Millis AI compare with Thoughtly?
Millis AI is paid. Thoughtly is freemium. Always verify current pricing with the vendor.
Does Millis AI or Thoughtly have a free plan?
Millis AI lists no free plan. Thoughtly has a free plan. Always verify current pricing with the vendor.
Do Millis AI and Thoughtly offer an API?
Millis AI offers a public API. Thoughtly offers a public API.

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