Writer
Writer: Palmyra X5
writer/palmyra-x5
Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million tokens, powered by a novel transformer architecture and hybrid attention mechanisms. This enables faster inference and expanded memory for processing large volumes of enterprise data, critical for scaling AI agents.
Input
$0.6
/ 1M tokens
Output
$6
/ 1M tokens
Context window
1.04M
tokens
Limits
Context
1,040,000
tokens
Max output
8,192
0.8% of the context window
Model facts
Author
Writer
Tokenizer
Other
Modality
Text -> Text
Created
Jan 21, 2026
Publication status
Hugging Face: unavailableLicense: not publishedParameter count: not published
Modalities
Input · TextOutput · Text
Generation controls
Max tokensStopTemperatureTop kTop p