OpenAI Expands input_file Support

Expanded input_file support to accept more file types, including documents, presentations, spreadsheets, code, and text files.

Feb 25, 2026

At a glance

Decide impact, cost movement, and the next step before reading the full diff.

Affected

OpenAI · responses-api

New Launch

Cost impact

Low · 0/5

Estimated from pricing and window changes

Migration pressure

Low · 1/5

No explicit deadline yet

Next step

Keep monitoring the official rollout

Do this first, then review field-level details

Use explicit levels instead of abstract charts to judge this change.

Cost

Low

Score 0/50%

Quality

Medium

Score 2/540%

Migration

Low

Score 1/520%

Reliability

Low

Score 0/50%

Compliance

Low

Score 0/50%

The change allows for more versatile file type support, potentially enhancing user experience and application flexibility.

Review changed fields first, then decide whether you need full before/after values.

After

Expanded  input_file  support to accept more document, presentation, spreadsheet, code, and text file types. Learn more  here .

Each source focuses on what it confirms, without repeating the whole article.

changelog

Expanded input_file support to accept more document, presentation, spreadsheet, code, and text file types. Learn more here .

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