Which is not a limitation of using closed source LLMs?
a) There can be data privacy concerns preventing you from sharing data with the LLM creators
b) Consistently using closed source LLMs for various use cases can incur high costs
c) Closed-source LLMs may have limitations in terms of customization and fine-tuning for specific applications or domains
d) Closed source LLMs are always less accurate and perform poorly compared to open-source LLMs