Tokenizer

Two providers both advertise $0.50 per million output tokens, why is that comparison still dishonest?

What is the EOS token and how does the runtime use it?

Walk through the shape of an OpenAI-compatible chat completions request and response.

Why might a LoRA that passes every eval check then garble one in five prod requests?

Pick the most accurate one-sentence summary of the tokenizer's role in fine-tuning.

Define the role of a chat template when fine-tuning on (system, user, assistant) data

An LLM never sees raw text. So what does it actually process?