Writer

Palmyra X5

writer/palmyra-x5
Released Jan 21, 2026Commercial
commercial cloud

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...

Cost / 1M tokens

Medium usage

$0.60

input

—

cached input

$6.00

output

Context Window

1M

Up to 8K max output

Modalities

text → text

Other tokenizer

Quickstart & API

writer/palmyra-x5
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

1M+ token context

Recommended Workloads in ChatOSS

  • General chat & code generation
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Active Provider Endpoints (1)

Upstream inference providers serving Palmyra X5, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
Amazon Bedrock
amazon-bedrock
$0.60$6.00—1M8K—100.0%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

max_tokensstoptemperaturetop_ktop_p

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