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Amazon Bedrock

Palmyra X4 (US) pricing, context window and limits

Palmyra X4 (US) costs $2.5 per million input tokens and $10 per million output tokens at Amazon Bedrock list price. It accepts up to 122,880 tokens of context and returns up to 8,192 tokens.

  • Model id bedrock/us.writer.palmyra-x4-v1:0
  • Snapshot

What does Palmyra X4 (US) cost?​

List prices in US dollars per million tokens
Input$2.5
Output$10
Cached input (read)—
Cache write—

US dollars per million tokens. A dash means no price is published.

How much can Palmyra X4 (US) read and write?​

Token limits
Context window122,880
Max output8,192

What can Palmyra X4 (US) do?​

Capabilities
Vision (image input)No
Tool callingYes
Structured outputNo
ReasoningYes
Inputtext
Outputtext

What does a request to Palmyra X4 (US) cost?​

Cost of example requests at list price, in US dollars
A typical request: 1,000 tokens in, 500 out$0.0075
A long request: 10,000 tokens in, 1,000 out$0.035
1,000 typical requests$7.5
1 million tokens in and 1 million out$12.5

Among 191 Amazon Bedrock models with a published price, Palmyra X4 (US) is the 120th cheapest by input price. Its context window is the 187th largest of 191. List prices only; discounts, batch prices and prices above 200K tokens are not shown.

How do I call Palmyra X4 (US) through DVARA?​

Configure the bedrock provider in the DVARA LLM Gateway and send the model id bedrock/us.writer.palmyra-x4-v1:0. DVARA, the AI governance platform, applies your policies, audit and cost attribution to the call. See LLM cost attribution and budgets.

In DVARA, if you haven't set your own price for a model, its calls are costed at the price in the catalogue that ships with your DVARA version. A price you set in Flightdeck always wins. You can switch catalogue prices off. Then a model with no price you set is counted as costing nothing. Every cost record says which price it used.

Which other Amazon Bedrock models are there?​

All 191 Amazon Bedrock models · Search the full catalogue

Which models from other providers are similar to Palmyra X4 (US)?​

These are the closest in context window and input price, one per provider.

Snapshot 4 October 2026. DVARA reviews every price weekly before it is published. Get the whole catalogue as models.json. Prices are list prices in US dollars per million tokens; check your provider contract before you budget.