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Favicon for writer

Writer

Access 1 Writer model through the OpenRouter unified API including Palmyra X5. Compare pricing, context windows, benchmarks, and capabilities between different Writer models.

Writer tokens processed on OpenRouter

  • Favicon for writer
    Writer: Palmyra X5Palmyra X5
    39.9M tokens

    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 tokens, powered by a novel transformer architecture and hybrid attention mechanisms. This enables faster inference and expanded memory for processing large volumes of enterprise data, critical for scaling AI agents.

    by writerJan 21, 20261.04M context$0.60/M input tokens$6/M output tokens

Frequently asked questions

OpenRouter serves 1 Writer model behind one OpenAI-compatible API. Create an OpenRouter API key, point your client at https://openrouter.ai/api/v1, and set the model to an ID such as writer/palmyra-x5. The quickstart has request examples for every supported SDK.

Palmyra X5 has the largest context window of any Writer model on OpenRouter, accepting up to 1,040,000 tokens per request.

Palmyra X5 is the most recently added Writer model on OpenRouter, listed on January 21, 2026.