Palmyra X5

Writer · Released January 2026

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...

Facts and pricing

Provider

Writer

Context window

1.0M tokens

Input price

6.6 credits / 1M tokens ($0.60 raw)

Output price

66.0 credits / 1M tokens ($6.00 raw)

Vision (image input)

No

Tool calling

No

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.10x margin. Raw prices shown per 1M tokens.

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What Palmyra X5 is best for

• Hard problems where answer quality matters more than cost: strategy, analysis, difficult writing
• Very long documents and codebases: a 1.0M-token window fits entire books or repositories in one conversation

Frequently asked questions

What is Palmyra X5?

Palmyra X5 is an AI model by Writer. 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...

How much does Palmyra X5 cost on Zeplik?

Input tokens cost 6.6 credits per million and output tokens 66.0 credits per million (1 credit = $0.10; the raw provider rates are $0.60 and $6.00 per million). New accounts start with free credits.

How long can a conversation with Palmyra X5 be?

Palmyra X5 has a 1.0M-token context window (1,040,000 tokens), which covers the conversation plus any documents you attach.

Does Palmyra X5 support images and tools?

Palmyra X5 is text-only and does not support tool calling.

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