Palmyra X Models by Writer
Details
Capabilities
About
The Palmyra X family of large language models is an innovative offering by Writer, an enterprise-centric AI platform. These models are tailored to enhance next-generation AI applications and autonomous agents with remarkable accuracy and reliability suitable for enterprise purposes. One of the standout features of Palmyra X is its utilization of synthetic data for training, which ensures cost-effectiveness while maintaining optimal performance. This is evidenced by its impressive rankings on benchmarks like the Berkeley Tool Calling Leaderboard and Stanford's HELM. Palmyra X models are equipped with advanced functionalities such as tool calling, built-in retrieval augmented generation (RAG), and code generation and deployment, all within an expanded context window. Additionally, specialized versions, including Palmyra-Med and Palmyra-Fin, cater to industry-specific requirements. The flagship model, Palmyra X 004, excels in reasoning and tool-calling accuracy, significantly surpassing other models in its class while also supporting multilingual and multi-modal capabilities in over 30 languages 1312.
Current Variants
Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.
Use when the workload needs 128k context, tool use, and function calling.
Use when the workload needs 1m context, tool use, and function calling.
| Model | Use when | Released | Signals | Status |
|---|---|---|---|---|
| Palmyra X4 | Use when the workload needs 128k context, tool use, and function calling. | Unknown release | 128k contexttool usefunction calling | Current |
| Palmyra X5 | Use when the workload needs 1m context, tool use, and function calling. | 2026-02 | 1m contexttool usefunction calling | Current |
Release Timeline
3 release groupsReplaced By
Keep for legacy integrations; evaluate Palmyra X5 before new work.
Specifications(6 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Fn Calling | Tool Use | Structured Outputs |
|---|---|---|---|---|---|---|---|---|
| Palmyra X4 | — | 128k | — | No | No | Yes | Yes | Yes |
| Palmyra X5 | 2026-02 | 1m | — | Yes | Yes | Yes | Yes | Yes |
Available From(2 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Palmyra X5 | Writer AI Studio | $0.6 | $6 | Serverless |
| Palmyra X5 | AWS Bedrock | $0.6 | $6 | Serverless |
| Palmyra X4 | Writer AI Studio | $2.5 | $10 | Serverless |
Frequently Asked Questions
- What is Palmyra X used for?
- Palmyra X is used for vision and multimodal work, agent workflows and tool use, and structured outputs. The family description and listed model capabilities point to those workloads as the best fit.
- How does Palmyra X compare to Camel?
- Palmyra X by Writer is strongest where you need vision and multimodal work, while Camel by Writer is the closest related family to check for adjacent model selection. Palmyra X has 6 listed variants and reaches up to 1m context, while Camel reaches up to 4k context, so compare the specs and pricing tables before choosing a production model.
- Which Palmyra X model should I use?
- For the lowest listed input price, start with Palmyra X5 through Writer AI Studio at $0.6/1M input tokens. For the most capable/latest local choice, evaluate Palmyra X5 with 1m context and tool use, function calling, structured outputs, and multimodal inputs.
