Breaking

OpenAI Adds Plugins and GPT-6 Models to ChatGPT Voice for Work

September 23, 2026 at 13:10 EDT

Foundation Models
AI Agents
Sales & Business

OpenAI has expanded ChatGPT Voice from a conversational interface into a way to operate ChatGPT Work with connected business tools and newer GPT-6 models. Voice can now use plugins such as email, calendar and Slack, and can run with GPT-6 Astra, GPT-6 Sol and GPT-6 Luna when users work across ChatGPT Work on web and mobile.

Sep. 23, 2026 · OpenAI

Voice becomes a Work controller

ChatGPT Voice can now use connected apps such as email, calendar and Slack while running with GPT-6 Astra, Sol and Luna inside ChatGPT Work.

The cost gap behind the model push

GPT-6 Sol

11.1x

Claude Opus 5

On AutomationBench, OpenAI reports GPT-6 Sol at 33.2% and Claude Opus 5 at 26.9%, with Opus costing 11.1 times more per task in the comparison shown.

GPT-6 models: Astra, Sol and Luna

50%

Lower Sol and Luna API prices versus GPT-5.6 promotional pricing

1.05M

Token context window across the GPT-6 lineup

128K

Maximum output tokens listed for Astra, Sol and Luna

How a spoken task flows

Speak the outcome

Ask Work for a deck, spreadsheet, Site or report.

Use plugins

Pull permitted context from email, calendar, Slack or files.

Review the result

The task can continue in text after the call ends.

Why users care

Voice is now closer to a hands-free control surface for meeting prep, message triage and multi-step deliverables.

What still matters

Plans, permissions, plugin authorization, approvals and separate usage accounting still shape what teams can do.

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