LLM cost optimization

3 articles

LLM Engineering • Jul 11, 2026

GPT-5.6 Sol vs Terra vs Luna: Which One Should You Actually Use? (2026)

GPT-5.6 Sol vs Terra vs Luna compared on price, coding, latency, and cost per task — plus a routing strategy that cuts your bill without wrecking quality.

11 min read

LLM Engineering • Jul 2, 2026

Claude Fable 5: The Deep-Dive Guide — What It Does, What It Costs, and When It's Worth the Premium (2026)

Claude Fable 5 is Anthropic's most capable model yet. The honest deep-dive: capabilities, the $10/$50 cost math, API behavior, and when to use it.

12 min read

LLM Engineering • Jul 1, 2026

Claude Sonnet 5: The Honest Guide — Pros, Cons, Use Cases, and What It Actually Costs (2026)

Claude Sonnet 5 brings near-Opus coding to Sonnet pricing. The honest pros, cons, use cases, benchmarks, and the cost math (including the tokenizer gotcha).

8 min read