# Setting parallel\_tool\_calls = False | Only working with GPT-4

**URL:** <https://community.openai.com/t/setting-parallel-tool-calls-false-only-working-with-gpt-4/943094>\
**Category:** Bugs\
**Created:** [September 17, 2024, 1:31am UTC](https://community.openai.com/t/setting-parallel-tool-calls-false-only-working-with-gpt-4/943094 "2024-09-17T01:31:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![netocamarano](https://sea2.discourse-cdn.com/openai1/user_avatar/community.openai.com/netocamarano/32/311397_2.png) [@netocamarano](https://community.openai.com/u/netocamarano)\
**Post date:** [September 17, 2024, 1:31am UTC](https://community.openai.com/t/setting-parallel-tool-calls-false-only-working-with-gpt-4/943094/1 "2024-09-17T01:31:05Z")

</div>

Setting parallel\_tool\_calls = False is Only working with GPT-4, but not with 4o, 4o-mini or any other model.

Is it supposed to be like this or is there a bug?