---
type: email
from: Sami Hamine <notifications@github.com>
subject: Re: [openai/openai-agents-python] GPT-5 + tool calls: Error code: 400

 - Item 'rs_...' of type 'reasoning' was provided without its required

 following item. (Issue #1660)
received: 2026-03-06 07:27:11
date_header: Wed, 10 Sep 2025 01:06:55 -0700
priority: normal
status: awaiting_approval
uid: 29988
---

## Email Content

**From:** Sami Hamine <notifications@github.com>
**Subject:** Re: [openai/openai-agents-python] GPT-5 + tool calls: Error code: 400

 - Item 'rs_...' of type 'reasoning' was provided without its required

 following item. (Issue #1660)
**Date:** Wed, 10 Sep 2025 01:06:55 -0700

### Body (preview)

samihamine left a comment (openai/openai-agents-python#1660)



@rm-openai Unfortunately, We are also experiencing this error in our production environment. I can confirm that the issue still persists with the same error message.



Do you know if a fix or patch is planned to be deployed soon?



Thanks a lot for your support and efforts on this. 🙏



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