Official documentation

ChatGPT release notes (OpenAI Help Center)

OpenAI, OpenAI Help Center, 2026

Read on October 17, 2026

What it is: OpenAI's dated log of ChatGPT changes, including the 2026 entries on dictation accuracy, empty transcriptions and iOS retries.
How much weight it carries: Official and dated, the most direct record of what OpenAI changed in dictation. Read from an archived copy because the live page refused automated requests. The entries are vendor claims about its own product, and the notes do not give test sets or model names.

Facts taken from this source

On January 12, 2026, OpenAI said it was improving ChatGPT dictation for all logged-in users and significantly reducing empty transcriptions.
“We’re improving our dictation capabilities in ChatGPT for all logged-in users, significantly reducing empty transcriptions and improving accuracy.” (January 12, 2026 entry)
OpenAI's release notes say it began rolling out a new speech-to-text model for dictation in ChatGPT across all plans, with no change to how users dictate.
“We’re rolling out a new speech-to-text model for dictation in ChatGPT across all plans. This is a behind-the-scenes update, so there are no changes to how you use dictation.” (June 26, 2026 entry)
OpenAI says word error rate in its ChatGPT dictation evaluations was at least 10% lower for the top languages tested than with the previous production model.
“was at least 10% lower for top languages tested than with the previous production model.” (June 26, 2026 entry)
On iOS, ChatGPT automatically retries dictation once if it fails because of a connection issue or timeout.
“If dictation fails because of a connection issue or timeout, ChatGPT automatically retries once, helping you finish recording without starting over.” (August 7, 2026 entry)

Official documentation

OpenAI, OpenAI Help Center, 2026

Read on October 17, 2026

What it is: OpenAI's dated log of ChatGPT changes, including the 2026 entries on dictation accuracy, empty transcriptions and iOS retries.
How much weight it carries: Official and dated, the most direct record of what OpenAI changed in dictation. Read from an archived copy because the live page refused automated requests. The entries are vendor claims about its own product, and the notes do not give test sets or model names.

On January 12, 2026, OpenAI said it was improving ChatGPT dictation for all logged-in users and significantly reducing empty transcriptions.
“We’re improving our dictation capabilities in ChatGPT for all logged-in users, significantly reducing empty transcriptions and improving accuracy.” (January 12, 2026 entry)
OpenAI's release notes say it began rolling out a new speech-to-text model for dictation in ChatGPT across all plans, with no change to how users dictate.
“We’re rolling out a new speech-to-text model for dictation in ChatGPT across all plans. This is a behind-the-scenes update, so there are no changes to how you use dictation.” (June 26, 2026 entry)
OpenAI says word error rate in its ChatGPT dictation evaluations was at least 10% lower for the top languages tested than with the previous production model.
“was at least 10% lower for top languages tested than with the previous production model.” (June 26, 2026 entry)
On iOS, ChatGPT automatically retries dictation once if it fails because of a connection issue or timeout.
“If dictation fails because of a connection issue or timeout, ChatGPT automatically retries once, helping you finish recording without starting over.” (August 7, 2026 entry)