Just plug your API keys into a front end like https://github.com/enricoros/big-AGI and pay as you go for all commercially available models
Have you tried open-webui?[1] I've been using that and really loving it, but wondering if I should try out big-AGI
Not to add more to the mix, but I've been very happy with Librechat: https://github.com/danny-avila/LibreChat
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