Model · Language model

Palmyra X6

Writer's Palmyra X6, launched August 13, 2026, a 1M-context agentic language model for long-horizon enterprise workflows with tool use and sub-agents, served as the default model on the Writer API.

Developer
Writer
Distribution
Developer API
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 X6 API model line launched August 13, 2026 with the palmyra-x6 API identifier and documented as Writer's default agentic model on the Writer API. Palmyra X4 and X5 are separate deprecating lines.

Risk statements

Not yet examined.

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