Changelog

What changed, and when.

A reference is only as good as its maintenance. This is the dated record of every meaningful update - pricing re-verifications included, since those happen on a schedule, not on inspiration.

  1. Aug 1, 2026 Pricing

    Model prices re-verified across all four vendors

    Swapped Claude Opus 4.8 for the newly launched Claude Opus 5 (same $5/$25 rate); cut GPT-5.6 Terra to $2/$12 and GPT-5.6 Luna to $0.20/$1.20 on updated OpenAI pricing. Google and xAI prices confirmed unchanged.

  2. Jul 19, 2026 Pricing

    Model prices re-verified across all four vendors

    Added Claude Sonnet 5, GPT-5.6 Sol/Terra/Luna and Grok 4.5; removed the GPT-4.1 family and Grok 4.1, which vendors no longer list.

  3. Jul 19, 2026 Articles

    Two new articles: model-retirement migrations and agent operations

    An ops playbook for LLM model migrations (Opus 4.1 retires Aug 5), and a guide to running agents with budgets, gates and escalation.

  4. Jun 20, 2026 Articles

    Four practitioner how-tos published

    Eval datasets, prompt versioning with GitHub, hallucination-rate measurement, and what to log in an LLM trace.

  5. Jun 16, 2026 Articles

    RAG freshness monitoring checklist

    Field-by-field checklist for keeping a RAG index true, with an inline pipeline diagram.

  6. Jun 11, 2026 Feature

    Learn LLMOps page launched

    Thirteen live-verified courses, programs, certifications, books and podcasts, mapped to stack layers - plus site search, RSS feed and llms.txt.

  7. Jun 10, 2026 Pricing

    Claude Fable 5 added to the cost calculator

    Verified at $10/$50 per MTok alongside a full pricing re-check.

  8. Jun 8, 2026 Data

    Sources & citations system

    Central register of live-verified references, cited on the homepage, stack page, glossary and every article. Layer colour system and stack diagrams shipped the same week.

  9. Jun 5, 2026 Feature

    LLMOps.si launched

    The stack guide, production checklist, cost calculator, maturity score, glossary, tools directory, five reference architectures and the first ten articles.

Pricing entries are produced by a scheduled verification pass against vendor pricing pages. Spotted something stale anyway? Tell us.