OpenAI Added Audio File Uploads to ChatGPT

Paid subscribers can now upload audio files of up to 512MB for analysis by the AI platform.

Updated on Oct. 7, 2026 in Artificial Intelligence

Isometric editorial illustration of a sculptural, geometric sound wave, representing technical audio analysis. — OpenAI has launched a new feature allowing ChatGPT Plus and Enterprise subscribers to upload and analyze audio files, including MP3 and WAV formats. AI Illustration. Upload story photo >

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Would you use an AI tool to transcribe and summarize your recorded meetings?

OpenAI has introduced audio file upload capabilities for ChatGPT users on paid plans, including Enterprise workspaces. The new feature supports various formats such as MP3, WAV, and FLAC for task-based processing.

Why it matters

This update allows professional users to leverage AI for complex audio analysis, significantly expanding the utility of ChatGPT beyond text and image inputs. The integration supports various audio types, though it currently excludes video files and may have limitations with speaker identification.

The feature supports a maximum file size of 512MB per upload. Compatible formats include WAV, MP3, OGG, FLAC, AAC, M4A, PCM, and audio-only WebM or MP4 files.

The players

OpenAI

OpenAI is an artificial intelligence research organization that develops advanced generative models including the ChatGPT platform.

The details

Users can attach supported files directly to the chat interface to initiate tasks, with longer audio segments processed via Data Analysis. While the tool is now available to paid subscribers, it remains inaccessible to free plan users and may experience processing timeouts for exceptionally long recordings.

September 29, 2026: OpenAI announced the Meetings plugin at DevDay.
October 6, 2026: OpenAI released the audio-file upload functionality.

The Tech Race

This release marks a shift toward multimodal processing, following the trajectory set by ChatGPT's Data Analysis tool. By integrating audio parsing, OpenAI is narrowing the functional gap between its platform and specialized transcription or audio-analysis software.

Paid subscribers can now streamline their workflows by offloading manual transcription and summarization tasks to the AI. Users should verify output for accuracy, as the system may struggle with complex speaker identification or very long recordings.

The takeaway

This development empowers power users to integrate diverse media sources into their AI-driven research and productivity routines. When using the feature, be mindful of the 512MB limit and the potential for transcription errors in technical or multi-speaker files.