Palmyra X5

Name: Writer: Palmyra X5
Brand: writer
SKU: writer/palmyra-x5
Price: 0.66 USD
Availability: InStock

writer/palmyra-x5

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

$0.66 in · $6.60 out per 1M tokens1M contextJan 21, 2026

about 0.4¢ a message

A typical message: about 500 tokens you send and 500 it writes.

Chat with Palmyra X5

Call it from code Lock this price

Spec sheet

Published facts from the catalog, billed prices and what we measured here. Anything not measured says so.

Price, billed here

Input, per 1M tokens: $0.66provider $0.60
Output, per 1M tokens: $6.60provider $6.00
Margin: +10%

Context and formats

Context window: 1,040,000 tokens
Longest answer: 8,192 tokens
Reads: text
Makes: text
First listed: 2026-01-21

Measured here, last 7 days

First token, median: not measured
Answered without error: not measured

Tools and JSON

Tool calling: not declared
JSON output: not declared

Price and latency history as JSON: GET /api/planet/history?id=writer/palmyra-x5.

About

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...

In Writer's words.

Try it here

Cmd+Enter sends

The answer appears here.

Measured here

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Call it

Use one OpenAI compatible endpoint, this model's id and an am_live_ key from the dashboard. You can also try it in chat first with no key.

curl https://useantimatter.com/v1/chat/completions \
  -H "Authorization: Bearer $ANTIMATTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "writer/palmyra-x5", "messages": [{"role": "user", "content": "Hello"}]}'

Everything else is in the docs.

Embed this

A badge showing this model's live price per million tokens, as billed here, for a README or a site. It links back to this page.

<a href="https://useantimatter.com/planet/writer/palmyra-x5"><img src="https://useantimatter.com/api/badge/price?id=writer%2Fpalmyra-x5" alt="Palmyra X5 price on Antimatter" height="28"></a>

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