Palmyra X4
by WriterChat
Enterprise language model for workflow automation, coding, data analysis, and tool use
- Context
- 128K tokens
- Max output
- 8,192 tokens
- Released
- 2024-10-09
- Weights
- Closed
writer/palmyra-x4 · also seen as writer.palmyra-x4-v1:0, us.writer.palmyra-x4-v1:0
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2024-10-09
- Weights
- Closed
- Input
- Text
- Output
- Text
- Context window
- 128,000 max across endpoints
- Max output
- 8,192
- Providers
- 1 + 1 gateway, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $2.50 in · $10 out per 1M tokens · from its one provider
More details
- Last updated
- 2025-04-28
- Knowledge cutoff
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel toolsunknown
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt cachingunknown
- Web searchunknown
- Computer useunknown
- System messagesunknown
- Assistant prefillunknown
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
No change since 19 Oct 2026. The cheapest direct price has been $2.50 in / $10 out per 1M tokens at Amazon Bedrock on every data refresh since then.
Tracked from 19 Oct 2026. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Palmyra X4 |
|---|---|---|---|---|---|
| Command ACohere | $3.75 | $2.50 | $10 | 256K | +0% |
| Command A PlusCohere | $3.75 | $2.50 | $10 | 128K | +0% |
| Command A ReasoningCohere | $3.75 | $2.50 | $10 | 256K | +0% |
| Command R+Cohere | $3.75 | $2.50 | $10 | 128K | +0% |
| GPT-4oOpenAI | $3.75 | $2.50 | $10 | 128K | +0% |
| GPT AudioOpenAI | $3.75 | $2.50 | $10 | 128K | +0% |
| GPT-5.2 ChatOpenAI | $3.79 | $1.75 | $14 | 128K | +1% |
| GPT-5.2 CodexOpenAI | $3.79 | $1.75 | $14 | 400K | +1% |
More from Writer
Newest Writer models in the catalogue. All Writer models
| Model | Released | Context | Listed price |
|---|---|---|---|
| Palmyra X5 | 2025-04-28 | 1.04M | from $0.60 |
| palmyra-vision-7b | — | 4.1K | from $0.15 |