digging into data...

Terrific discusion. In all seriousness, don't miss out. Powerful tools in the Mastermind, build and customize.

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A consolidated reference built from Anthropic’s live documentation (fetched May 28, 2026). Covers the model’s API surface, the effort/thinking system, every section of the official Prompting Best Practices page, and the migration deltas that bite existing pipelines. Strategic notes for the NovCog stack are at the end. Everything here is sourced from the canonical docs listed in Section 1. Where a figure came from a third-party source rather than Anthropic’s own docs, it is explicitly flagged as unverified. 1. Source URLs Models & specs Models overview (spec + pricing table) — https://platform.claude.com/docs/en/about-claude/models/overview What’s new in Claude Opus 4.8 — https://platform.claude.com/docs/en/about-claude/models/whats-new-claude-4-8 Migration guide (4.7 → 4.8, and earlier) — https://platform.claude.com/docs/en/about-claude/models/migration-guide Model IDs and versioning — https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions Choosing a model — https://platform.claude.com/docs/en/about-claude/models/choosing-a-model Model deprecations — https://platform.claude.com/docs/en/about-claude/model-deprecations Pricing — https://platform.claude.com/docs/en/about-claude/pricing Prompting & parameters Prompting best practices (the long guide) — https://platform.claude.com/docs/en/build-with-claude/prompt-engineering/claude-prompting-best-practices

Almost no one talks about this. Even with the Apple price "premium" (also known as the Cupertino gouge), over time, the better efficiency delivers an ROI. Especially as electric bills skyrocket. If MLX implementation continues apace, this is delta will widen.