LLM Reference
Writer

Writer

16 models across 6 families · Latest: Palmyra X5 (2026-02)

AI-powered writing assistance and optimization.

CodingRAGAgentsLong contextVisionClassificationJSON / Tool useBusiness

Writer's portfolio covers 15 active models across 6 current families, spanning coding, rag, and agents. Open a model detail page to compare provider routes and sourced benchmarks.

Covers 7 workload areas across 15 active tracked models; last verified 2026-05-19.

Use it for

  • Teams evaluating coding, rag, and agents across this lab's releases
  • Comparing model families before committing to a flagship
  • Migration and pricing follow-ups across 15 tracked models

Do not use it for

  • Choosing a hosting provider without opening a model page for price ladders

Active models

15

Current models from this lab, excluding deprecated ones

Active families

6

Current model families from this lab

Open catalog

6 open

6 open source / 0 open weights

Lowest output price

$2.00 /1M

Cheapest tracked output across active models, per 1M tokens

Latest dated release

2026-02-01

Palmyra X5

Freshness

2026-05-19

Researched 44d ago

aging

Information

Founded2020
San Francisco, California, United States

Release cadence

Showing 5 recent dated releases (full timeline below). Latest: Palmyra X5 (2026-02-01).

Where this lab wins

  • Coding: 1 tracked model with SWE-bench / HumanEval-style scores.
  • RAG: 1 tracked model with ruler / needle retrieval benchmarks.
  • Agentic: 1 tracked model with BFCL, tau-bench, and SWE-bench tool-use coverage.
  • Long-context: 1 tracked model with context-token or InfiniteBench-class signal.

Flagship quality / price signal

Flagship: Palmyra X5 (best sourced coding quality-per-dollar in this portfolio).

Coding task grade D · bigcodebench score 48.7 · cheapest tracked output $6.00 per 1M tokens

Writer is an American AI company founded in 2020. AI-powered writing assistance and optimization. Writer ships 6 model families totaling 16 models, with the most recent release Palmyra X5 in 2026-02. Notable families include Palmyra X, Palmyra Vision, and Palmyra Finance. Use it as a stable reference for lab background, release coverage, and follow-up model pages as they are added. View official API endpoints, benchmark performance, and coding/agent fit for every Writer model.

About

Writer is an AI-powered writing assistance platform that helps users improve their writing quality, clarity, and consistency. By leveraging natural language processing and machine learning, Writer provides real-time suggestions, style guides, and content optimization features that streamline the writing process for individuals and teams. Writer's AI-powered tools are particularly beneficial in content marketing, where they can help marketers create compelling, SEO-optimized content that engages target audiences. In academic writing, Writer can assist students and researchers in maintaining proper grammar, citation styles, and coherence. In business communication, Writer can ensure consistency in tone, style, and terminology across various documents and channels. Software engineers and SaaS executives can integrate Writer's AI-powered writing assistance into their applications or workflows to improve the quality and efficiency of written content, ultimately driving better user engagement and business results.

Featured models

ModelReleasedContextInput price ($/1M)Output price ($/1M)LicenseOpenness
Palmyra X52026-02-011m$0.60$6.00ProprietaryProprietary
Palmyra X 0032024-03-01-$7.50$22.50ProprietaryProprietary
Palmyra X 0022024-03-01-$1.00$2.00ProprietaryProprietary

Model families

Recent releases

  1. Palmyra X5- 2026-02-01
  2. Palmyra X 003- 2024-03-01
  3. Palmyra X 002- 2024-03-01
  4. Palmyra X 002 32K- 2024-03-01
  5. Palmyra X 32K- 2024-03-01

FAQ

Who founded Writer and when?

Writer was founded in 2020 and is associated with San Francisco, California, United States.

What models has Writer released?

Writer ships 16 models across 6 families: Palmyra X, Palmyra Vision, and Palmyra Finance.

Is Writer's technology open source?

Some Writer models are open-weight (Camel 5B, Palmyra Large, and Palmyra Base); others are proprietary (Palmyra X5, Palmyra X 003, and Palmyra X 002).

Where is Writer headquartered?

Writer is headquartered in San Francisco, California, United States.

What is Writer known for?

AI-powered writing assistance and optimization. Its most prominent tracked family is Palmyra X.

How can I access Writer's models?

Writer's models are available via Writer AI Studio, AWS Bedrock, and Baseten API.

Explore related pages

Last reviewed: 2026-05-20. Data sourced from public lab announcements and provider documentation.