LLM & Language Models
How LLMs work, honest comparisons, and production usage
Aya 23: Cohere's Multilingual LLM Fine-Tuned Across 23 Languages
Cohere For AI trained Aya 23 on 204k human-written multilingual prompts to create an instruction model that serves low-resource languages most commercial LLMs ignore.
Claude 3 Opus: When to Pay the Premium for Anthropic's Most Capable Model
Claude 3 Opus costs $15/1M input tokens - 5x more than Sonnet. This guide breaks down exactly which tasks justify the price premium and which ones you should route to the cheaper sibling.
Qwen 2.5 72B: Alibaba's Multilingual Model That Rivals GPT-4o
Qwen 2.5 72B scores 9.12 on MT-Bench (vs GPT-4o at 9.18), supports 29 languages, and runs locally via Ollama. Here's how to get started.
InternLM 2.5: Shanghai AI Lab's Long-Context Multilingual LLM
InternLM 2.5 20B offers a 1M token context window, strong Chinese-English bilingual reasoning, and native tool calling - all in a model small enough to serve on a single A100.
Mistral Large 2: The 128K Context Enterprise LLM from Europe
Mistral Large 2 packs 123B parameters, 128k context, and support for 80+ languages into a model that scores 92% on HumanEval and costs $2/1M input tokens.
FlashAttention-3: Fast Exact Attention on Hopper GPUs via Asynchronous Warps & FP8
FlashAttention 3 delivers 1.5-2x speedup over FA2 on H100 GPUs through asynchrony, FP8 support, and better overlap of compute and memory operations - without approximating the attention computation.
Retrieval-Augmented Generation: Architectural Foundations and Production Evolution
A deep engineering breakdown of Retrieval-Augmented Generation (RAG). Learn the mathematical foundations from the seminal FAIR paper to modern production hybrid retrieval, reranking, and chunking.
Claude 3.5 Sonnet: Why It Tops SWE-Bench and How to Use It for Code
Claude 3.5 Sonnet scored 49% on SWE-Bench Verified, outperforming GPT-4o by 11 points. Here's what makes it exceptional for coding tasks and how to use it.
GPT-4o: The Complete Developer Guide to OpenAI's Multimodal Flagship
GPT-4o unifies text, vision, and audio in a single model. Here's everything developers need to know about the API, pricing, and when to use it.
