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OpenAI Says Ringg Uses GPT-5.6 Agents to Resolve Up to 65% of Customer Calls

September 23, 2026 at 12:39 EDT

AI Agents
Foundation Models
Sales & Business

OpenAI said Ringg is using GPT-5.6-powered agents to automate customer-service work across voice, chat, WhatsApp, and web, resolving up to 65% of routine inquiries without a human agent. The customer story, dated September 24, 2026, frames Ringg as a high-volume enterprise agent platform operating in Asia-Pacific and Oceania, with more than 7 million connected calls handled each month and an average customer CSAT of 4.8.

September 24, 2026 · OpenAI and Ringg

GPT-5.6 moves into high-volume customer calls

Ringg says its agents resolve up to 65% of routine customer inquiries across voice, chat, WhatsApp, and web while reducing selected model costs by about 90% versus GPT-4.1.

7M+

connected calls handled each month

65%

routine inquiries resolved by agents

90%

lower model cost for selected workloads

4.8

average customer CSAT

Cost comparison for selected workloads

GPT-4.1

baseline cost

GPT-5.6 Luna

about 10% of baseline

A 90% reduction means the visual drops from ten blocks to one block for comparable selected workloads.

How a request moves through the agent stack

Customer input

Voice, chat, WhatsApp, or web

→

Model routing

GPT-4.1, GPT-5.6 Luna, Terra, or Sol

→

Business action

CRM, tickets, payments, scheduling, APIs

What operations teams gain

Lower model costs, faster response times, multilingual coverage, and automation for routine inquiries at high call volumes.

What still needs controls

Ringg still relies on testing, staged rollouts, endpoint monitoring, summaries near context limits, and human escalation.

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