Writer is an enterprise generative AI platform for building AI agents and creating brand-aligned content, built by Writer, Inc. It has no free tier — plans start at $29/user/mo (Starter, billed annually; $39/user/month billed monthly) — and it runs on Writer's own proprietary Palmyra family of large language models rather than routing through OpenAI, Anthropic, or Google.
Who builds it
Writer is developed by Writer, Inc., a US enterprise AI vendor. The company builds both the content platform at writer.com and Writer AI Studio, a developer platform for building on the same Palmyra models via API.
What it does
Writer's flagship model is Palmyra X5, which supports a 1,000,000-token context window and is built to cover general-purpose, financial, medical, and creative use cases inside a single enterprise deployment. The platform combines brand-voice calibration — you feed it representative content and it learns your vocabulary and style — with team-project workflows and API access for building custom AI agents on top of the same models.
Core features
- Paid-only pricing from $29/user/mo (Starter, billed annually)
- Proprietary Palmyra X5 model with a 1,000,000-token context window
- Palmyra X5 API pricing: $0.60 per 1M input tokens, $6.00 per 1M output tokens
- Voice calibration: learns brand vocabulary and style from representative content samples
- Team collaboration through shareable Projects
- Some Palmyra models (e.g. Palmyra-Fin) are released with open weights on Hugging Face
- SOC 2 Type II compliance available on request
- Full developer API and SDKs via Writer AI Studio
Who it's for
Writer targets enterprise content and marketing teams — not solo writers — who need consistent brand voice across large organizations and want to build custom AI agents on a model they aren't sharing with every other AI vendor's customers. Its $29/user/mo starting price and lack of a free tier put it well above consumer tools like QuillBot or Wordtune; it competes more directly with other enterprise-oriented platforms such as Jasper. Developers get the same Palmyra X5 model through the API for building bespoke workflows rather than using only the content editor.
The fact that some Palmyra models are released with open weights (e.g. Palmyra-Fin on Hugging Face) is also a differentiator worth noting: it gives technical teams the option to self-host or fine-tune specific domain models rather than relying solely on Writer's hosted API, which is unusual among the writing-focused tools in this category and closer to how a dedicated model vendor operates. Combined with the 1,000,000-token context window on Palmyra X5, that makes Writer a candidate not just for drafting marketing copy but for longer-document workflows — contracts, reports, financial or medical documentation — where a small context window would be a real constraint.
Data and compliance
Writer states that SOC 2 Type II compliance is available on request, per third-party coverage of its Enterprise plan. A specific GDPR or EU-data-residency statement is not documented in the sources we track, so teams in regulated industries should confirm current data-residency and compliance terms directly with Writer before rolling it out, particularly if evaluating Writer for financial or medical use cases that Palmyra X5 is explicitly built to cover.