Writer: Palmyra X5

proprietary

Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise.

Context
1.0M
Max output
8K
Input price
$0.6/1M tokens
Output price
$6/1M tokens

Capabilities

Reasoning & Interaction
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming

Details

Model IDwriter/palmyra-x5
Provider OpenRouter
Creator Writer
Family—
Licenseproprietary
Status—
Typechat
Input modalitiestext
Output modalitiestext
Open weightNo
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output8K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Pricing

Input
$0.6
Output
$6
Cache write
—
Cache read
—
Batch in
—
Batch out
—

API

GET/v1/models/openrouter/writer/palmyra-x5

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.

Changes · 2 entries
writer/palmyra-x5update2b100acMar 23, 2026, 05:30 AM
model_typechat
release_date2026-01-21
taglinePalmyra X5 is Writer's most advanced model, purpose-built...
writer/palmyra-x5create7f5c66fMar 21, 2026, 05:16 AM