LLM Reference

Palmyra X5

Released
2026-02-01
Last refreshed
2026-07-10
Status
Researched 17d ago
ProprietaryCommercial use: conditionalMultimodalCodingRAGAgentsLong contextVisionClassificationJSON / Tool use

Palmyra X5 is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.

Use it for

  • Teams evaluating coding, rag, and agents
  • Workloads that can use a 1m context window
  • Buyers comparing 2 tracked provider routes

Do not use it for

  • Workloads where another current model has stronger sourced task evidence
Specifications
Family
Palmyra X
Released
2026-02-01
Context
1m
Max output
8,192
Architecture
Decoder Only
Specialization
general
Openness
Proprietary
License
ProprietaryCommercial use: conditional
Weights
Not released
Code
Unknown
Training
Pretrained
Created by

AI-powered writing assistance and optimization.

San Francisco, California, United States
Founded 2020
Website
Pricing
Output / 1M
$6.00
Input / 1M
$0.600

Cheapest of 2 routes · AWS Bedrock

About

Writer lists Palmyra X5 as an active AI Studio API model with text and image input, a 1M-token context window, and an 8,192-token output limit. Its documented capabilities map to Agents, Long context, Vision, and JSON / Tool use.

Palmyra X5 is a proprietary model in the Palmyra X family. The structured metadata tracks a 1m-token context window, multimodal input, function calling, tool use, and structured outputs. This page tracks provider routes through Writer AI Studio and AWS Bedrock, with the cheapest tracked route listed at $0.6 input and $6 output per 1M tokens. Headline tracked benchmarks include BigCodeBench 48.7, Google-Proof Q&A 47.2, and MMLU PRO 65.0.

Top use-case fit: coding, agents, and build tasks

Coding

Q/$ D

1 relevant benchmark in the decision map.

RAG

Included by capability and metadata signals in the decision map.

Agents

Included by capability and metadata signals in the decision map.

Provider price ladder

Compare all 2

Compare API pricing across 2 providers for input and output tokens, batch, and cached reads when available.

ProviderInput / 1MOutput / 1MRoute
AWS Bedrock$0.600$6.00
Serverless
Writer AI Studio$0.600$6.00
Serverless

Available via routers & gateways(1)

Capabilities

VisionMultimodalFunction CallingTool UseStructured Outputs

Benchmark peer barsfor Coding

Benchmark scores(3)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
BigCodeBench48.7BigCodeBench (pass@1)Observed 2026-06-07Source
Google-Proof Q&A47.2GPQA (accuracy)Observed 2026-06-07Source
MMLU PRO65.0Official Writer benchmark (accuracy)Observed 2026-06-07Source

Migration checks

No linked migration route is available for this model yet.

Frequently asked questions

What is the context window of Palmyra X5?

Palmyra X5 has a context window of 1m tokens.

What is the max output of Palmyra X5?

Palmyra X5 can generate up to 8,192 output tokens.

How much does Palmyra X5 cost?

Palmyra X5 is available at $0.60/1M input tokens through Writer AI Studio.

When was Palmyra X5 released?

Palmyra X5 was released on 2026-02-01.

Which providers offer Palmyra X5?

Palmyra X5 is available from 2 providers: Writer AI Studio, AWS Bedrock.

What benchmarks has Palmyra X5 been tested on?

Palmyra X5 has been evaluated on 3 benchmarks, including BigCodeBench, Google-Proof Q&A, MMLU PRO.