Will we be charged in DEV environments when using GPT-4.1 mini and GPT-5 mini?
Summary: We are presently in the process of trying to setup some AI Agent Teams - specifically the "Employee SelfService Assistant" Agent team. I successfully set this up, but we used the LLM named "GPT-OSS-120B" because we were told this is the only completely free LLM right now. Our question is, can we switch to "GPT-4.1 mini" or "GPT-5 mini" in our DEV environments right now, without getting charged anything or using up our "tokens"? Using "GPT-OSS-120B" has been underwhelming so far and doesn't seem to work well. I've asked this the Assistant the same question more than once, and
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