# Palmyra X5

> Palmyra X5 is a proprietary language model from Writer, released on 21 Jan 2026. It accepts text and generates text, with a 1M-token context window and up to 8K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.60 per million input tokens and $6 per million output tokens (Amazon Bedrock), across 2 providers we track.

Source page: https://www.aimodel.directory/models/palmyra-x5
Last verified: 4 Oct 2026

## Specifications

- **Developer:** Writer
- **Release date:** 21 Jan 2026 (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Status:** Generally available (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Weights:** Proprietary (API only) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Context window:** 1M (1,040,000 tokens) (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Max output:** 8K tokens (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Input:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Output:** Text (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Reasoning mode:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Tool calling:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)
- **Structured output:** No (source: models.dev, https://github.com/sst/models.dev/blob/dev/providers/openrouter/models/writer/palmyra-x5.toml)

## API pricing (USD per 1M tokens)

| Provider | Input | Output | Cached input | Context |
|---|---|---|---|---|
| Amazon Bedrock | $0.60 | $6 | – | 1M |
| Amazon Bedrock | $0.60 | $6 | – | 1M |
| OpenRouter | $0.60 | $6 | – | 1M |

## FAQ

### What is the context window of Palmyra X5?

Palmyra X5 has a context window of 1,040,000 tokens (1M) and can generate up to 8,192 tokens in a single response, according to models.dev.

### How much does the Palmyra X5 API cost?

Palmyra X5 is listed from $0.60 per million input tokens and $6 per million output tokens (Amazon Bedrock). Prices last verified 4 Oct 2026.

### Is Palmyra X5 open source?

No. Palmyra X5 is a proprietary model; Writer has not released its weights. It is available through APIs including Amazon Bedrock, OpenRouter.

### When was Palmyra X5 released?

Writer released Palmyra X5 on 21 Jan 2026, according to models.dev.

### Which providers offer Palmyra X5?

We track Palmyra X5 on 2 providers: Amazon Bedrock, OpenRouter.

---
Data licensed CC BY 4.0. Cite as: AI Model Directory, "Palmyra X5", https://www.aimodel.directory/models/palmyra-x5