Palmyra X5

language modelWriter

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...

Key facts

Made byWriter
Typelanguage model
ReleasedJanuary 21, 2026
Reads at once1,040,000 tokens
Price (API, per million tokens)$0.6 in · $6 out
Input → outputtext → text

Questions about Palmyra X5

Who makes Palmyra X5?

Palmyra X5 is made by Writer.

When was Palmyra X5 released?

We first saw Palmyra X5 listed on January 21, 2026.

How much does Palmyra X5 cost?

Through OpenRouter it costs $0.6 per million input tokens and $6 per million output tokens. Prices change, so check the provider before you build on it.

How much text can Palmyra X5 read at once?

Up to 1,040,000 tokens, roughly 780K words.

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Modelcast collects this page automatically from public sources (OpenRouter). Facts are copied from those sources, not written by the maker. Not affiliated with Writer.