Shutdown calendar / Amazon Bedrock
anthropic.claude-opus-4-1-20250805-v1:0 shuts down on Jan 8, 2027
That is 103 days from the last dataset check (Sep 27, 2026).
| Platform | ID | Shutdown | Recommended replacement | Source |
|---|---|---|---|---|
| Amazon Bedrock | anthropic.claude-opus-4-1-20250805-v1:0 | Jan 8, 2027 in 103 days | not named by the provider | official page |
What breaks
- Requests fail. After Jan 8, 2027 every call that names
anthropic.claude-opus-4-1-20250805-v1:0returns an error on Amazon Bedrock. Nothing is migrated for you. - Output changes. A newer model answers differently: length, format, refusals and JSON shape can all shift. Run your own prompts through both models before the date and compare.
Notes
- Public extended access (higher price) from 2026-10-08
Find it in your code
Quick look:
grep -rnF "anthropic.claude-opus-4-1-20250805-v1:0" --include=*.{py,js,ts,go,java,rb,yaml,yml,json,env} .Or scan the whole repo for this and every other retiring model, including parameters the replacement rejects:
Want the migration done?
Our $199 migration report runs your saved prompts on anthropic.claude-opus-4-1-20250805-v1:0 and on the replacement, shows the outputs side by side,
and gives you a ready patch. See pricing.