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Palmyra X4


Palmyra X4 is Writer logoWriter's language model with a 128K context window and up to 8K output tokens, starting at $2.50 / 1M input and $10.00 / 1M output. Writer's enterprise-grade LLM routed across US regions for low-latency agentic and general-purpose text generation tasks.
Spec
Canonical IDwriter-palmyra-x4
TypeLanguage
StatusActive
CreatorWriterWriter
Providers
Context Window128K tokens
Max Output8K tokens
Input ModalitiesPdfText
Output ModalitiesText
Release Date · 5 months ago

Capabilities

Input2/5
Text
Image·
Audio·
Video·
PDF
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities1/13
Reasoning·
Adaptive Reasoning·
Function Calling
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Pricing by Provider

ProviderStandard
Input
$ / 1M
Output
$ / 1M
Amazon Bedrock logo
Amazon Bedrock
writer.palmyra-x4-v1:0
$2.50$10.00

Regional pricing

Provider-specific pricing that varies by region.
Amazon Bedrock logo
Amazon Bedrock
6 regions
RegionStandard
Input
$ / 1M
Output
$ / 1M
Global
Global$2.50$10.00
Cross-region
US (cross-region)/ us$2.50$10.00
US
US East (Ohio)/ us-east-2$2.50$10.00
US East (Virginia)/ us-east-1$2.50$10.00
US West (N. California)/ us-west-1$2.50$10.00
US West (Oregon)/ us-west-2$2.50$10.00

Cost Calculator

Preset:
Compares every provider & tier in USD

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Palmyra X 4Available
Palmyra Vision 7B$0.150$0.600Available
Palmyra X4128K$2.50$10.00Current
Palmyra X51.0M$0.600$6.00Available
Palmyra Fin 70BAvailable
Palmyra Med 70BAvailable
Palmyra SmallAvailable

Model IDs