Free solutions for testing and developing with the API?


I’m new to this forum and the OpenAI API. Recently, I’ve been working on implementing the OpenAI API in Fortran, and I’ve made some progress with the basics. However, I’ve come to realize that it requires payment for API usage. Are there any free alternatives available for testing and developing my code? Apologies if this question has been asked before, but I’m looking to find a solution that allows me to experiment and refine my code.

Thank you in advance for any assistance or guidance you can provide.


If you’ve already had an OpenAI account for a while and you missed out on using the free trial credit because it expired, there’s another site that offers a free credit, uses an API that is compatible with OpenAI libraries, and has AIs that will at least respond back to you.

The OpenAI API cost little, is pay-per-use, and doesn’t require a subscription, just monthly payment for what you’ve used, which can be hundreds of requests for less than a dollar.

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@_j Thank you for your answer. Yes, I have already missed out on my free trial credit. Goose seems to be a good alternative at this time for me.

How do their models compare to OpenAI’s? Anything near the level of gpt-4?

Not quite…The largest is EleutherAI/gpt-neox-20b · Hugging Face, released a year ago.

They are completion models, meaning they need a prompt similar to OpenAI’s completion. English only.

Out-of-scope use

GPT-NeoX-20B is not intended for deployment as-is. It is not a product and cannot be used for human-facing interactions without supervision.

You can see it would need a stop sequence here to not take over as the user:

The demo only has 256 tokens – only enough for me two-shot it (other off-screen), and we see some plausible nonsense:

Demo site:

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