ChatGPT vs Retell AI

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

ChatGPT is the stronger AI pick in AI Agents: it has a visibility score of 3.3 versus 2 for Retell AI, and ranks ahead in 100% of the answers that name both.

Choose ChatGPT if…

You want the brand AI engines rank higher (3.3 vs 2)
You need SOC 2 Type 2 coverage
You prefer a larger, established vendor (1,001–5,000 employees)
strong performance on complex tasks like research and deep context

Choose Retell AI if…

You need a self-hosted or on-premises option
You need HIPAA or SOC 2 Type II or GDPR or ISO 27001 coverage
Highly rated by developers and SMBs
One of the highest customer star ratings

AI visibility side by side

Latest weekly run · Nov 3

Metric	ChatGPT	Retell AI
Visibility score	3.3%	2%
Change vs last week	New	New
Rank in AI Agents	#29	#42
Share of voice	0.6%	0.5%
Mentions this run	4	3
Positive in AI answers	0%	—

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

ChatGPT 0pp · Retell AI 0pp over 0 weekly runs.

Engine by engine

ChatGPT leads on 3 of 3 engines

ChatGPT

3.5%

3.1%

AI Mode

3.1%

Perplexity

3.1%

0.9%

ChatGPTRetell AI

Head to head in AI answers

2 engine answers name both brands

2ChatGPT ranked higher

0Retell AI ranked higher

Prompt	Engine	ChatGPT	Retell AI
What are the best AI Agents tools in 2026?	Perplexity	#2	#13
Which AI agent platform has the best reviews?	AI Mode	#2	#4

Features, pricing & fit

Dimension	ChatGPT	Retell AI
Pricing model	—	Usage-based
Entry price	—	Contact sales
Free plan	—	Yes
Deployment	—	Cloud platform, with enterprise on-premises deployment available
Compliance	SOC 2 Type 2	HIPAA, SOC 2 Type II, GDPR, ISO 27001
Support	—	Community and email support, 24/7 omnichannel support with dedicated portal (Enterprise), Dedicated implementation support (Enterprise), Named account manager (Enterprise)
Founded	—	2023
Headquarters	San Francisco	Redwood City, California
Employees	1,001–5,000	51–200
Funding	In progress, seeking up to $20 billion, reported at $1.25 trillion post-money	Seed · $5M raised
Best for	—	Businesses that run high call volumes in healthcare, insurance, financial services, logistics and similar fields, and teams that want to build and change voice agents themselves.