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DeepSeek V4.1 Flash free for 7 days: 10M tokens a day after any top-up. Until Nov 30.

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LLM models and APIs

Calling a model from code: keys, requests, streaming, tools and cost.

LLM models and APIs

What Is a Large Language Model (LLM)?

How large language models turn text into tokens, predict the next one, and why they sound confident when they are wrong.

Beginner13 min read

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