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ChatGPT vs Otio: who uses which

Customers, public proof and the companies that use both.

ChatGPTvsOtio

On usedby, 40 companies use ChatGPT and 6 use Otio. No company is listed with both yet. Otio leads among the Schools & Universities companies on usedby that use either tool.Latest check Oct 8, 2026: 12 of 46 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.

Who uses ChatGPT, Otio, or both

Every company with a public proof for at least one of the two tools.

40

use only ChatGPT

0

companies use both

6

use only Otio

40 companies use only ChatGPT, 6 use only Otio and 0 use both, out of the 46 companies on usedby that use at least one of them.

ChatGPT

Open ChatGPT
40customers
0 confirmed 35 observed 5 signals

Where it lands

DevTools & Infrastructure4
Banking & Mortgages3
Fintech & Payments3

Newest customers

We have not started tracking changes for ChatGPT yet.

Otio

Open Otio
6customers
0 confirmed 6 observed

Where it lands

Schools & Universities4
Artificial Intelligence1
IT Services & System Integration1

Newest customers

No new customer since tracking started on October 5, 2026.

Who uses both

Companies with a confirmed or observed line on both tools.

No company uses both yetusedby has not found a company with a confirmed or observed line on both ChatGPT and Otio.

Side by side

Facts from our data and from each vendor's public pages. Each line says where it comes from.

ChatGPTOtio
Customersusedby, latest check Oct 8, 2026ChatGPT: 40 (0 confirmed, 35 observed, 5 job-post signals)Otio: 6 (0 confirmed, 6 observed)
Top industryusedby, latest check Oct 8, 2026ChatGPT: No clear leadOtio: Schools & Universities (4)
CategoryusedbyChatGPT: Foundation Models (LLMs)Otio: AI Search & Research
PricingChatGPT: Free: $0 / month; Go: $8 / month; Plus: $20 / month; Pro: $100 / monthchatgpt.com, checked Oct 4, 2026Otio: Free: $0; Lite: $7 mo; Go: $18 mo; Pro: $45 mootio.ai, checked Oct 8, 2026
Free trialChatGPT: Free trial or free plan available.chatgpt.com, checked Oct 4, 2026Otio: Free trial or free plan available.otio.ai, checked Oct 8, 2026
IntegrationsChatGPT: Gmail, Remote Desktop Commander, Google Drive, GitHub, Outlook Email, Slack, Notion, Google Calendar, Canva, Dropbox, Shopify, Figmachatgpt.com, checked Oct 4, 2026Otio: Google Drive, Dropbox, OneDrive, Box, Zoterootio.ai, checked Oct 8, 2026
WebsiteChatGPT: chatgpt.comOtio: otio.ai

What customers report

Results as the vendor or the customer published them, with the source and the date.

No reviewed story yetusedby shows a story of ChatGPT or Otio here once its figures are checked against the captured page.

Questions about ChatGPT and Otio

Which is used more, ChatGPT or Otio?

ChatGPT has more customers on usedby: 40 against 6 for Otio.

Do companies use both ChatGPT and Otio?

usedby has not found a company with a confirmed or observed line on both ChatGPT and Otio yet.

Who uses ChatGPT?

40 companies on usedby, each with the public page that shows it. See who uses ChatGPT.

Who uses Otio?

6 companies on usedby, each with the public page that shows it. See who uses Otio.

How does usedby count customers?

A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.

ChatGPT vs ClaudeCustomers comparedChatGPT vs ListenCustomers comparedChatGPT alternativesWhat ChatGPT customers also useAll Foundation Models (LLMs) toolsRanked by customers