---
title: "Does the OpenAI Batch API preserve the order of submitted requests?"  
description: "Does the OpenAI Batch API preserve the order of submitted requests?"  
author: "Katherine Sullivan"  
published: 2026-10-21  
updated: 2026-10-21  
canonical: https://www.mindstick.com/forum/162630/does-the-openai-batch-api-preserve-the-order-of-submitted-requests  
category: "OpenAI API"  
tags: ["OpenAI", "APIs", "batch-processing"]  
reading_time: 1 minute  

---

# Does the OpenAI Batch API preserve the order of submitted requests?

I’m looking at the [OpenAI Batch API](https://www.mindstick.com/forum/162353/is-openai-batch-api-practical-for-nightly-classification-jobs) for a job that sends thousands of independent prompts. If the results come back in a different order from the input file, is there a reliable identifier I should use to match each response to its original request?

I’d rather not depend on the output sequence staying the same between batches. What has worked for people processing [batch results](https://www.mindstick.com/forum/162505/how-do-you-match-openai-batch-api-results-to-the-requests-that-created-them) in production?


---

Original Source: https://www.mindstick.com/forum/162630/does-the-openai-batch-api-preserve-the-order-of-submitted-requests

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