APIDir Model cost calculator
DeprecationVerified

January 16, 2026

January 16, 2026 Cowork research preview expanded to Pro plans Cowork is now available to Pro plan users on Claude Desktop (macOS only). Claude Code access added to Team plan Standard seats We’re now including Claude Code access with every Team plan standard seat. Refer to this article for more information: Purchasing and managing seats on Team plans . Opus 4 and 4.1 deprecated from Claude and Claude Code We’ve removed Claude Opus 4 and 4.1 from the Claude model selector and Claude Code. Refer to this article for further details and recommendations: Adapting to new model personas after deprecations .

Action requiredReview affected integrations and migrate before the documented retirement boundary.
ClaudeproductClaude CodeproductClaude modelsmodel family

Evidence chain

Anthropic Claude Apps release notesOfficial · official

January 16, 2026 Cowork research preview expanded to Pro plans Cowork is now available to Pro plan users on Claude Desktop (macOS only). Claude Code access added to Team plan Standard seats We’re now including Claude Code access with every Team plan standard seat. Refer to this article for more information: Purchasing and managing seats on Team plans . Opus 4 and 4.1 deprecated from Claude and Claude Code We’ve removed Claude Opus 4 and 4.1 from the Claude model selector and Claude Code. Refer to this article for further details and recommendations: Adapting to new model personas after deprecations .

Open original source

External discussion

No reviewed external discussion has been linked yet. This does not change the evidence confidence.