Writer: Palmyra X5
Review
Writer's Palmyra X5 offers a very large 1M token context window suited to long-document tasks, but without published benchmark data its reasoning and writing quality cannot be independently verified for business deployment.
Assessment date: April 16, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
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..
Architecture
| Modality | Text → Text |
| Tokenizer | Other |
How does Writer: Palmyra X5 stack up?
Compare side-by-side with other emerging models.
Model Information
| OpenRouter ID |
writer/palmyra-x5
|
| Provider | writer |
| Release Date | January 21, 2026 |
| Context Length | 1,040,000 tokens |
| Max Completion | 8,192 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.60 | $0.000600 |
| Output | $6.00 | $0.006000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
