No official replacement is published on that page. claude-sonnet-5-5 is not scheduled to shut down sooner than 2027-09-28 per Anthropic's deprecation page (checked 2026-10-17). 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 model page · Anthropic
A migration diff is not published because the official page did not name a replacement model id.
No official replacement is published on that page. claude-sonnet-5-5 is not scheduled to shut down sooner than 2027-09-28 per Anthropic's deprecation page (checked 2026-10-17). Published on the official docs: input price $2 per million tokens, context window 1,000,000 tokens, max output 128,000 tokens.
Price comparison is not published yet.
Context window sizes are not both published on the official pages we checked.