Palmyra X5
by WriterChat
Reasoning model for deliberate analysis, multi-step problem solving, and tool use
- Context
- 1.04M tokens
- Max output
- 8,192 tokens
- Released
- 2025-04-28
- Weights
- Closed
writer/palmyra-x5 · also seen as us.writer.palmyra-x5-v1:0, writer.palmyra-x5-v1:0, writer/palmyra-x5-20250428
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-04-28
- Weights
- Closed
- Input
- Text
- Output
- Text
- Context window
- 1,040,000 max across endpoints
- Max output
- 8,192
- Providers
- 1 + 3 gateways, not counted as providers
- Epoch Capabilities Index
- not evaluated
- Direct price range
- $0.60 in · $6.00 out per 1M tokens · from its one provider
More details
- Last updated
- 2026-01-21
- Knowledge cutoff
- Developer country
- United States of America
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 $0.60 in / $6.00 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 X5 |
|---|---|---|---|---|---|
| Claude Haiku 4.5Anthropic | $1.50 | $0.90 | $4.50 | 200K | +0% |
| Seed EvolvingByteDance Seed | $1.47 | $0.884 | $4.42 | 256K | −2% cheaper |
| InklingThinking Machines | $1.47 | $0.95 | $4.05 | 65.5K | −2% cheaper |
| Sakana NamazuSakana AI | $1.46 | $0.95 | $4.00 | 262K | −3% cheaper |
| Grok 4.20 Multi Agent BetaSpaceXAI | $1.46 | $1.25 | $2.50 | 2M | −3% cheaper |
| Grok 4.20 Non-ReasoningSpaceXAI | $1.46 | $1.25 | $2.50 | 2M | −3% cheaper |
| Grok 4.20 Beta Non-ReasoningSpaceXAI | $1.46 | $1.25 | $2.50 | 2M | −3% cheaper |
| Grok 4.20 ReasoningSpaceXAI | $1.46 | $1.25 | $2.50 | 2M | −3% cheaper |
More from Writer
Newest Writer models in the catalogue. All Writer models
| Model | Released | Context | Listed price |
|---|---|---|---|
| Palmyra X4 | 2024-10-09 | 128K | from $2.50 |
| palmyra-vision-7b | — | 4.1K | from $0.15 |