No official replacement is published on that page. Palmyra X4 (writer.palmyra-x4-v1:0) shuts down on 2027-03-09 per AWS Bedrock's deprecation page (checked 2026-10-23). Price, context window, and max output were left blank because the official pages we checked did not publish them.
Palmyra X4 (writer.palmyra-x4-v1:0) model page · AWS Bedrock
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. Palmyra X4 (writer.palmyra-x4-v1:0) shuts down on 2027-03-09 per AWS Bedrock's deprecation page (checked 2026-10-23). Price, context window, and max output were left blank because the official pages we checked did not publish them.
Price comparison is not published yet.
Context window sizes are not both published on the official pages we checked.