Narracomm · The Record

Anthropic

Everything Narracomm has filed on Anthropic.

Updated 6 Oct 2026 · Links open our coverage; primaries are cited there
Headline DateCoverage
Anthropic Commits $100 Million to Claude Frontier Academy Training 10,000 Frontier Deployed Engineers by End of 2027 5 Oct 2026 Read More →
Barclays scales Claude Code to 50% of developers by end-2026, majority in 2027 1 Oct 2026 Read More →
TeraWulf Announces 20-Year Lease With Anthropic At Justified Data Campus 7 Jul 2026 Read More →
Nobel Laureate John Jumper Departs Google DeepMind for Anthropic 22 Jun 2026 Read More →
U.S. Commerce Department Orders Anthropic to Seek Approval for Foreign National Access to Fable 5 and Mythos 5 Models 19 Jun 2026 Read More →
Anthropic Enforces Hard Retirement for Two Claude 4 Models Today — Sonnet-4-20250514 and Opus-4-20250514 Cut Off June 15, 2026 15 Jun 2026 Read More →
Anthropic Lands OpenAI Custom Chip Engineer Clive Chan 13 Jun 2026 Read More →
Anthropic Deprecates Temperature, Top_P, and Top_K on Newer Opus Models 13 Jun 2026 Read More →
claude-mythos-preview to Retire June 30, Migrate to claude-mythos-5 13 Jun 2026 Read More →
Claude Opus 4 and Sonnet 4 Retirement Deadline Hits This Weekend 13 Jun 2026 Read More →
Anthropic Sets Retirement Dates for Multiple Claude Models 13 Jun 2026 Read More →

Anthropic Enforces Hard Retirement for Two Claude 4 Models Today — Sonnet-4-20250514 and Opus-4-20250514 Cut Off June 15, 2026

Anthropic’s official Claude API deprecation documentation confirms that today, June 15, 2026, marks the retirement date for two specific versioned models. API calls using the exact identifiers claude-sonnet-4-20250514 and claude-opus-4-20250514 will now fail. The page, which serves as Anthropic’s authoritative…