WriterPalmyra X5
Palmyra X5 is a Writer proprietary reasoning model, released 28 Apr 2025. It is not yet ranked: 3 independent results so far, and the index needs at least five across two categories. At $1.95 per million tokens blended it is pricier than most ranked models. Output speed of 68 tokens per second puts it slower than most, with a first token in 0.4 s. Last measured 24 Nov 2025.stale: no new result in six months
- Blended price
- $1.95/M
- $0.600 in · $6.00 out
- Output speed
- 68 tok/s
- OpenRouter traffic, 7-day median; not yet measured by Artificial Analysis
- First answer
- 0.36 s
- Context
- 1.0M
- Full answer
- –
- Cost per run
- –
- Released
- 28 Apr 2025
- Maths53
- Instruction following51
Benchmark results
See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.
Reasoning
| Benchmark | not stated | Source |
|---|---|---|
| GPQA Diamond (HELM)not in index | 66.1%#17 | HELM Capabilities |
Maths
| Benchmark | not stated | Source |
|---|---|---|
| Omni-MATH (HELM) | 41.5%#29 | HELM Capabilities |
Knowledge
| Benchmark | not stated | Source |
|---|---|---|
| MMLU-Pro (HELM)not in index | 80.4%#18 | HELM Capabilities |
Instruction following
| Benchmark | not stated | Source |
|---|---|---|
| IFEval (HELM) | 82.3%#36 | HELM Capabilities |
| WildBench (HELM) | 78.0%#46 | HELM Capabilities |
Composite
| Benchmark | not stated | Source |
|---|---|---|
| HELM Capabilities meannot in index | 69.6%#25 | HELM Capabilities |
Where to run it
Every provider serving this model through OpenRouter, with throughput and first-token latency measured on live traffic over the last 30 minutes and each provider’s own price. Purple marks the best in each column.
| Provider | Speed | First token | Input $/M | Output $/M | Context | Quantisation |
|---|---|---|---|---|---|---|
| Amazon Bedrock | 61 tok/s | 0.36 s | $0.600 | $6.00 | 1.0M | – |
What a task costs
Estimates from list price, output speed and time to first answer for the best configuration. “With caching” assumes three-quarters of the input is served from the prompt cache. Reasoning tokens are not modelled.
| Workload | Tokens in / out | Cost | With caching | Time |
|---|---|---|---|---|
| Chat reply | 400 / 300 | $0.0020 | – | 4.8 s |
| Summarize a 30-page report | 12,000 / 600 | $0.011 | – | 9.2 s |
| Code edit | 6,000 / 1,500 | $0.013 | – | 22.4 s |
| Agentic coding session | 60,000 / 4,000 | $0.060 | – | 59.2 s |
| Structured extraction | 2,000 / 200 | $0.0024 | – | 3.3 s |
More from Writer
See also
Questions people ask
- Why does Palmyra X5 have no BenchLeader Index score?
- The index needs at least five independent results across at least two categories; as of 25 Oct 2026 Palmyra X5 has 3 that count. Launch-post scores are never used, so it is ranked once independent publishers have measured it.
- How much does Palmyra X5 cost per 1M tokens?
- As of 25 Oct 2026, Palmyra X5 costs $0.600 per 1M input tokens and $6.00 per 1M output tokens, $1.95 blended (three input tokens per output token).
- When was Palmyra X5 released?
- Writer released Palmyra X5 on 28 Apr 2025.
Data as of 25 Oct 2026. Compare with another model.
Cite as: BenchLeader, “Palmyra X5: benchmarks, pricing, speed and rank”, data as of 25 Oct 2026, https://www.benchleader.com/models/palmyra-x5.