Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Palmyra X 004

Frontier

Writer's flagship Palmyra. Tuned for enterprise-tone long-form writing with tight integration into Writer's authoring platform.

Palmyra X 004 is a frontier AI model from Writer. It costs $0.500 per million input tokens and $2.000 per million output tokens (blended $0.950/M), with a 128K-token context window.

Modalities textOfficial model page ↗Provider pricing ↗API docs ↗Compare with another model →Estimate monthly cost →
INPUT
$0.500/M
per million input tokens
OUTPUT
$2.000/M
per million output tokens
BLENDED 70/30
$0.950/M
default reference rate · how it's calculated →
CONTEXT
128K
128,000 tokens
What it's good at
  • Tuned for enterprise writing
  • Style-controlled output
  • Writer platform integration
Typical use cases
  • Marketing content generation
  • Compliance-friendly writing
  • Brand-consistent copy
Benchmarks
vs. best public score
MMLU75%
Multitask academic knowledge across 57 subjects.
HumanEval67%
Python function synthesis from docstrings.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources — treat as directional rather than authoritative.
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Frequently asked questions

How much does Palmyra X 004 cost?

Palmyra X 004 costs $0.500 per million input tokens and $2.000 per million output tokens, for a blended reference rate of $0.950 per million tokens.

What is Palmyra X 004's context window?

Palmyra X 004 supports up to 128K tokens of context (128,000 tokens).

What is Palmyra X 004 best for?

Palmyra X 004 is well suited to Tuned for enterprise writing, Style-controlled output and Writer platform integration.

Who makes Palmyra X 004?

Palmyra X 004 is developed and served by Writer.