Free credit for tool builders

Hi, new here!

Am developing an app to help coders. I’m integrating different providers. Gemini is easy since they do provide free keys with generous credits daily, making testing easy.

I couldn’t find similar thing with OpenAPI api. Is there a provision like Gemini in openapi for builders like me? If not what’s the best way?

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Not entirely free, but if you have an API account with positive balance it is possible that you might be eligible for daily complimentary tokens on traffic shared with openai.

You can read more here:
https://help.openai.com/en/articles/10306912-sharing-feedback-evaluation-and-fine-tuning-data-and-api-inputs-and-outputs-with-openai

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Thanks. I do not have an account yet with paid balance. But If there’s no free playground, I guess I will start with other models and come back to this later

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Hi @evstevemd - you can test for free on a limited set of models including gpt-5-nano subject to limits (60 RPM, 200 RPD, 40,000 TPM). Give it a try and let me know if you have feedback.

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Hi Richa,

How do I do that exactly? I’m currently interested to make my little tool work with OpenAPI than care what model it is. So anything that guarantees that it will work with advanced models is fine.

If you have a link to docs or something let me know. As of now I assume just change model name and boom, it is free with those constraints. If so please confirm.

Thanks for replying

Yes, you would change the model name to gpt-5-nano. Follow the examples on this docs page.

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Evidence is to the contrary:

gpt-5-nano FAIL! Error code: 429 - {'error': {'message': 'You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.', 'type': 'insufficient_quota', 'param': None, 'code': 'insufficient_quota'}}

Please explain.

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@_j: I tried again shortly after @Richa_Deshpande made this comment and it does actually work now. At least when creating a brand new account.

Three-year ChatGPT users that only just discovered the API may not find “create a different account” ideal…

Within that class of account holder, there’s also the “3 month $18 or $5 trial API credit expired” set, that didn’t even know that existed when creating a ChatGPT login.

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I will test this scenario again and if that’s correct, I will also raise this again.

It’s kind of odd that we encounter this question rather frequently even though it should work without any issues.

@evstevemd can you confirm that you previously had an OpenAI account, maybe only for ChatGPT, before trying to use the API’s free tier?

I have an account on personal email and this is a different account we use at work.

I didn’t test it yet as there’s a bug in the tool we are fixing so I will test later tonight or tomorrow and let you know

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