Byword vs Harbor
Byword
byword.aiHarbor
harborseo.aiSide by side
| Figure | Byword | Harbor |
|---|---|---|
| Price from | $99/mo | €24/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 8 | 8 |
| Spec score · Programmatic SEO Software | 9.1 (#1) | 8.7 (#3) |
| Spec score · AI Writing Tools | 9.1 (#19) | 8.8 (#34) |
| API | Byword documentation provides a REST API reference and MCP server setup. | Harbor's enterprise page says it has a REST API, an MCP server, and webhooks. |
| Brand voice controls | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | The integrations directory lists native WordPress, Webflow, Shopify, Google Sheets, Airtable and Notion connections plus Zapier access to more than 5,000 apps. | 6 |
| Long-form writing | Yes | Yes |
| Product | Byword generates SEO-optimized articles in under two minutes, researches keywords, and writes in the user's brand voice. | Harbor is an AI-powered SEO content platform that researches content opportunities, generates articles, publishes them, and tracks rankings. |
| SEO features | Yes | Yes |
| Support | Byword documents email support at [email protected] and a dashboard chat widget. | The about page says a real person usually responds to support requests, often co-founder Hamish, and the Powerhouse plan includes priority support. |
| Team collaboration | Yes | Yes |
Plans
Byword
- Starter$99 a month
- Standard$299 a month
- Scale$999 a month
- Free articlesFree
- Starter$99 a month
- Standard$299 a month
- Scale$999 a month
- Unlimited$1,999 a month
Harbor
- FreeFree
- Solo€24 a month
- Growth€39 a month
- Powerhouse€82 a month
- FreeFree
- Solo€24 a month
- Growth€39 a month
- Powerhouse€82 a month
In their own words
Byword
Byword generates SEO-oriented articles, researches keywords, and writes in a customer’s brand voice. It supports long-form writing, 50 content templates, multilingual content, team collaboration, and SEO features. For existing content, it can analyze a URL and create a refresh, rewrite, outperform, or repurpose version. The homepage lists GPT-5.4, Claude Opus 4.6, and Gemini 3.1 Pro. Byword says it can publish to WordPress, Webflow, and four other CMSs. Its integrations documentation names WordPress, Webflow, Ghost, HubSpot, Medium, Notion, Google Docs, Google Sheets, Airtable, Slack, webhooks, and API; integrations require a paid plan, and multiple platforms can be connected at once. It can submit published URLs to Google’s Indexing API when the customer connects that API. A REST API reference and MCP server setup are documented. The free plan includes five articles with no credit card required. Paid plans start at $99 a month for 25 articles; other monthly tiers include 299.00 USD for 80 and 999.00 USD for 300.