Claude Updates & Tutorials
Anthropic has officially deprecated the use of custom temperature, top_p, and top_k values on Claude Opus 4.7 and later models, including Opus 4.8. Starting with these newer versions, setting any of these sampling parameters to non-default values now returns a 400 error. The change is part of Anthropic’s broader effort to simplify model behavior and…
Anthropic will retire claude-mythos-preview on June 30, 2026, according to the company’s official Model Deprecations page. The model has been marked as deprecated, with claude-mythos-5 listed as the recommended replacement. Users currently relying on claude-mythos-preview will need to migrate ahead of the retirement date. Note that claude-mythos-5 is currently invitation-only and gated behind Project Glasswing….
Anthropic will retire the original Claude Opus 4 and Claude Sonnet 4 models from the API on June 15, 2026 — just two days from now. The company first announced the deprecations on April 14, 2026. Both models have been in deprecated status since then, and API calls to the old identifiers will stop working…
Anthropic has officially confirmed deprecation timelines for several Claude models, with two major deadlines looming in the coming weeks. According to the company’s Model Deprecations page and recent release notes, developers using older Claude 4-series models will need to migrate before the models are retired from the API. Key Dates Additional Changes Starting with newer…
Fresh data from Anthropic’s Institute post “When AI builds itself” (surfacing prominently this week) quantifies how quickly Claude is internalizing Anthropic’s own R&D loop. The numbers paint a clear picture of compounding automation in frontier AI development. Core Metrics (as of May 2026) Additional Signals of Velocity What This Means for AI R&D These figures…