Environment I am communicating with the Assistants API via a Next.js route handler using an OpenAI client instanced from "openai": "^4.103.0" package. The assistant is using GPT-4o, but the same issue was encountered when trying GPT-4.1. Steps User uploads a jpeg image with purpose: vision. Image…

Hey everyone, Apologies for the inconvenience. We have deployed a fix for this issue and this should now be resolved. Incase, you are still facing the issue please open a support request (support@openai.com) and our team will take a look into individual setup.

Thank you - We hope to get an update ASAP

Hello, we face this issue for days now and I would like to ask if anyone have found a workaround by using other model versions while gpt-4.1 have these issues.

Still nothing, our team already started looking to migrate to some other models with vision capabilities, there’s more options here in 2026

@DgYWFT I completely agree but these things have schedules for these reasons.

Hello @vb , are there any news regarding this issue? Based on your experience how long does it take for resolving similar issues for the OpenAI team?

@vb have you received any updates from the team? Thanks

I’ve asked the team for an update and will share any news as soon as I receive it. For now, the most constructive step is to migrate to the Responses API sooner rather than later, as Assistants will be sunset in a few months. Community feedback on the migration has been very positive, so I think t…

Hey everyone, Apologies for the delay. Can someone please open a support request with us and provide the HAR file in the support case. Please make sure to include your forum username and link to the forum discussion in the support request so we can track it. Furthermore, please share the case id or …

This is a complete platform-wide outage of service that has been ongoing for two weeks. It does not need someone to offer you free consulting or to figure out what a HAR file is and for you to waste their time making people do extra work. It is immediately actionable. Assistants - Replication step…

Error when attaching images via Assistants API

API Bugs

Marc_D February 26, 2026, 4:50pm 30

If your are using Flex Tier, all started failing totally for me

Topic		Replies	Views
“Run failed Sorry, something went wrong.” when sending image to GPT-4o through API not even working with links Bugs api , image-reading , gpt-4-vision , gpt-4o	16	780	February 14, 2026
Run failed, Sorry, something went wrong. Error while sending an image Bugs gpt-4 , api , assistants-api	87	11605	September 26, 2024
Assistant runs with file uploads failing Bugs gpt-4 , assistants-api	7	328	January 5, 2026
API service outage: Fine-tuning gpt-4o with image input fails randomly on Responses & CC Bugs fine-tuning , fine-tuning-vision	8	146	March 23, 2026
"Failed to create file operation" -- 500 error (Assistant's API) Tier 5 Bugs	34	1323	February 12, 2025

Error when attaching images via Assistants API

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