Model · Language model
Palmyra X4
Writer's Palmyra X4, a 128K-context tool-calling and RAG-focused language model launched September 2024, served through the Writer API and Amazon Bedrock and scheduled for deprecation on December 14, 2026.
- Developer
- Writer
- Distribution
- Developer API · Third-party hosting
- Artifact licensing
- Proprietary access
- License scope
- Reviewed release artifacts and mandatory terms; not an assessment of training code or training data openness.
- Licenses
- Writer API and Product Terms
- Boundary
- This record represents the Palmyra X4 API model line launched September 2024 with the palmyra-x4 API identifier, served through Writer and Amazon Bedrock, and scheduled for deprecation on December 14, 2026. Writer documents Palmyra X6 as the migration target. Palmyra X5 is a separate line also scheduled for deprecation.
Risk statements
Not yet examined.
Open in the directory → Open official model page ↗
Editorial ratings appear in the directory beside the profile they belong to and are never compared across collections.