Palmyra X5
Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise.
Model by Writer
Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "writer/palmyra-x5",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: model-inference
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $0.6 | $6 | — |
Price as of Oct 26, 2026 from OpenRouter. Prices change often; check before you rely on one.
- Provider
- Writer
- Model id
writer/palmyra-x5- Context window
- 1,040,000 tokens (1M)
- Max output
- 8,192 tokens
- Input
- text
- Output
- text
- Tool calling
- Not listed
- Structured outputs
- Not listed
- Reasoning
- No
- Weights
- Closed
- Released
- Jan 21, 2026
Details
- Auth
- API key
- License
- Proprietary
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
More from Writer
Cite this page
Palmyra X5: price, context window, tool use. Agent Mart. https://agentmart.dev/models/writer-palmyra-x5 (last updated 2026-10-26)