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Writeractive

Palmyra X5

Released at: January 21, 2026

API StatusAvailable for integration
Context Window1,040,000 tokens
Input Price / MTok$0.60
Output Price / MTok$6.00

Model Overview

Writer · Active Model

  • Long-Context
  • API Available
  • Vetted Benchmarks
  • Production Ready

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...

Developer
Writer
Release Date
January 21, 2026
Context Window
1,040,000 tokens≈ 1,387 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$0.60per million tokens
Output Cost
$6.00per million tokens
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Vetted Benchmarks

MMLU(estimated)Score: 80.0% (Top 63%)
HumanEval(estimated)Score: 78.2% (Top 63%)
MATH(estimated)Score: 55.4% (Top 58%)
MT-Bench(estimated)Score: 8.6 (Top 54%)
GPQA(estimated)Score: 40.8% (Top 51%)
HellaSwag(estimated)Score: 83.0% (Top 50%)

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