LLM Reference

Palmyra X4

Last refreshed
2026-07-10
Status
Researched 1d ago
ProprietaryCommercial use: conditionalRAGAgentsLong contextClassificationJSON / Tool use

Palmyra X4 is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.

Use it for

  • Teams evaluating rag, agents, and long context
  • Workloads that can use a 128k context window
  • Buyers comparing 1 tracked provider route

Do not use it for

  • Vision or document-understanding workloads
Specifications
Family
Palmyra X
Context
128k
Max output
4,096
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Unknown
Code
Unknown
Created by

AI-powered writing assistance and optimization.

San Francisco, California, United States
Founded 2020
Website
Pricing
Output / 1M
$10.00
Input / 1M
$2.50

Cheapest of 1 route · Writer AI Studio

About

Writer lists Palmyra X4 as an active AI Studio API model with a 128K-token context window and a 4,096-token output limit. Its documented capabilities map to Coding, Agents, Long context, and JSON / Tool use.

Palmyra X4 is a proprietary model in the Palmyra X family. The structured metadata tracks a 128k-token context window, function calling, tool use, and structured outputs. This page tracks provider routes through Writer AI Studio, with the cheapest tracked route listed at $2.5 input and $10 output per 1M tokens. No headline benchmark score is tracked for Palmyra X4 yet.

Top use-case fit: coding, agents, and build tasks

RAG

Included by capability and metadata signals in the decision map.

Agents

Included by capability and metadata signals in the decision map.

Long context

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
Writer AI Studio$2.50$10.00
Serverless

Capabilities

Function CallingTool UseStructured Outputs

Benchmark peer barsfor RAG

No task-mapped benchmark peers are available for this model yet.

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Palmyra X4?

Palmyra X4 has a context window of 128k tokens.

What is the max output of Palmyra X4?

Palmyra X4 can generate up to 4,096 output tokens.

How much does Palmyra X4 cost?

Palmyra X4 is available at $2.50/1M input tokens through Writer AI Studio.

Which providers offer Palmyra X4?

Palmyra X4 is available from 1 provider: Writer AI Studio.