Organization
Writer
Writer is an AI model developer and enterprise software company headquartered in San Francisco, California12. This catalog lists 2 open model releases from Writer, under licenses including the Apache License 2.0.
Documented roles: Model developer · Enterprise software
Writer is a San Francisco enterprise AI company, founded in 2020, whose platform includes the WRITER Agent, AI Studio, and related tools for business teams. The platform uses Writer's own Palmyra X models by default, and Writer has also published some Palmyra models as downloadable weights on Hugging Face.1357
Using this organization’s offerings
The detailed audience, self-hosting, pricing, and restrictions review has not yet been completed. Consult the sourced product records below and the publisher’s current terms. Missing detail means unknown, not unavailable.
Key facts
What is and isn’t public
Writer's newest Palmyra X5 and X6 models are offered through its platform and API; this catalog found no downloadable weights for them. On Hugging Face, Writer has published Palmyra-X-4.3-73B and domain models such as Palmyra-Med-70B-32K under the Writer Open Model License, which permits only non-commercial use unless a separate license is obtained, and the Palmyra-mini models (September 2025) under Apache 2.0.657101189
Products
Hosted model products
Labeled Hosted product/API — this describes how a documented product is delivered (hosted access). It does not determine whether underlying weights or code are open; assess the specific release and its licenses.
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| Palmyra models via the Writer API (external site: dev.writer.com) | Hosted model API | API access to Writer's Palmyra X6, X5, and X4 models, authenticated with a Writer API key; the developer documentation suggests signing up for a free account to start.6 | Sep 29, 2026 |
Other products
| Product | Kind | Documented delivery and access | Reviewed |
|---|---|---|---|
| WRITER Agent (external site: writer.com) | Enterprise software | Enterprise agent that plans and carries out multi-step work across a company's data and tools. Offered with a free trial sign-up, subscription plans, and demos through Writer's sales team.4 | Sep 29, 2026 |
Cataloged artifacts
Model families
- PalmyraModel family
Model releases
- Palmyra-miniModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.2): Open-weight
- Palmyra-mini-thinking-bModel releaseAvailability: PublicModel-disclosure tier (USASI rubric v0.2): Open-weight
Notable documented facts
- Writer's models page lists Palmyra X6 as the default model on its platform and says administrators can also enable models from other providers, such as Anthropic and Google.5
In the news
WRITER releases Palmyra X6, post-trained on GLM 5.2, alongside WRITER Agent upgrades
WRITER announced Palmyra X6 on August 13, 2026 as its new flagship model, aimed at marketing and revenue workflows and designed to run inside the WRITER Agent harness. The announcement says X6 was post-trained on top of GLM 5.2, an open-weight model. The same release adds WRITER Agent features including batch execution, sub-agent delegation, support for enabling models from providers such as Anthropic and OpenAI, and bring-your-own-model support for Microsoft Azure, AWS Bedrock, and NVIDIA NIM. The announcement does not say whether Palmyra X6 weights are released. USASI has not tested Palmyra X6.
What this catalog does not know
- Official careers page: not verified by this catalog.
Have a primary source? How to report a correction.
U.S. eligibility
Eligible · basis: U.S. headquarters
Writer's company page lists its headquarters at 111 Maiden Lane in San Francisco, with other offices in New York, Chicago, Austin, and London. Its platform services agreement (August 2026) names Writer, Inc. at the same San Francisco address and applies California law. The London office is one of several; no foreign parent or headquarters was found.12
Sources
This listing is not an endorsement or a federal approval.
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Cite this page
APA style
USASI. (2026, October 1). Writer. United States of America Superintelligence. https://unitedstatesofamericasuperintelligence.com/companies/writer/
BibTeX
@misc{usasi_writer,
author = {{USASI}},
title = {Writer},
year = {2026},
month = oct,
howpublished = {\url{https://unitedstatesofamericasuperintelligence.com/companies/writer/}},
note = {United States of America Superintelligence. Last updated 2026-10-01}
}The date is when this page was last updated. Add the date you read it if your style needs one.
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