Articles

Our team’s insights on building better AI systems.

Jun 9, 2026

Claude Agent SDK Tracing and Evaluation in Production (2026)

Trace Claude Agent SDK runs in production: span models for tool calls and subagents, cost tracking, debugging failed runs, and turning traces into evals.

Mar 27, 2026

Google FLUTE: Fast Lookup Table Quantization for LLM Inference (Complete Guide)

FLUTE achieves 2–4× faster GEMM kernels and 1.5–2× end-to-end LLM inference throughput using lookup-table quantization. Complete guide covering how it works, benchmark results, hardware requirements, and vLLM deployment.

Mar 10, 2026

ChatGPT Enterprise Pricing 2026: Cost, Plans & What You Get

ChatGPT Enterprise costs approximately $60/user/month with a 150-seat minimum and annual contract. This guide covers the full 2026 pricing breakdown, plan comparison, negotiation levers, nonprofit discounts, and total cost of ownership.

Mar 9, 2026

OpenAI Rate Limits: Complete Guide to TPM, RPM & Tier Limits (2026)

Understand OpenAI rate limits across all models and tiers. Learn the 4 dimensions (RPM, TPM, RPD, TPD), diagnose 429 errors, and implement exponential backoff, batching, and model routing in production.

Mar 9, 2026

Speculative Decoding: How It Works, Why It's Fast, and How to Use It

Speculative decoding delivers 2–4× faster LLM inference with zero quality loss. Learn how it works and implement it with HuggingFace and vLLM in minutes.

Feb 21, 2026

LLM API Pricing Comparison 2026: 30+ Models, Every Provider

The most complete LLM API pricing comparison for 2026 — covers 30+ models from OpenAI, Anthropic, Google, Mistral, plus open-source inference providers (Groq, Together AI, Fireworks AI, inference.net) that slash costs by 50–95%.

Feb 21, 2026

LLM Evaluation Tools: The Complete Comparison Guide (2026)

Compare the 9 best LLM evaluation tools — DeepEval, RAGAS, Promptfoo, LangSmith, Braintrust, and more. Includes code examples, pricing, and a decision framework for picking the right tool.

Feb 20, 2026

LLM Observability: A Complete Guide to Monitoring Production Deployments

Learn how to implement LLM observability with metrics, tracing, evals, and cost monitoring. A practical guide for engineers running LLMs in production.

Feb 20, 2026

vLLM Advanced: Building Custom Inference Pipelines at Scale (2026 Guide)

Go beyond LLM.generate() — master vLLM's advanced API: LLMEngine, AsyncLLMEngine, structured output, multi-GPU serving, and production tuning. Complete guide for 2026.

Feb 19, 2026

Llama vs ChatGPT: Can Open Source Match GPT-5? (2026)

Llama 4 Maverick vs GPT-5 and GPT-5.2 compared on benchmarks, token pricing, privacy, and fine-tuning. Concrete use-case decision framework. February 2026 data.