claude-sonnet-5-5 is not scheduled to shut down sooner than 2027-09-28 per Anthropic's deprecation page (checked 2026-10-17). No official replacement is published on that page. Published on the official docs: input price $2 per million tokens, context window 1,000,000 tokens, max output 128,000 tokens.
claude-sonnet-5-5 is not scheduled to shut down sooner than 2027-09-28 per Anthropic's deprecation page (checked 2026-10-17). No official replacement is published on that page. Published on the official docs: input price $2 per million tokens, context window 1,000,000 tokens, max output 128,000 tokens.
What replaces claude-sonnet-5-5?
No official replacement is published on that page.
Is claude-sonnet-5-5 deprecated?
claude-sonnet-5-5 status is active.
Sources
Anthropic model deprecations — checked 2026-10-17. claude-sonnet-5-5 | Active | N/A | Not sooner than September 28, 2027
Anthropic models overview — checked 2026-10-17. claude-sonnet-5-5 | Context window 1M tokens | Max output 128K tokens | Text and image input, text output, vision, and tool use.