Trinka vs Vale

Trinka is an AI grammar correction and language enhancement assistant for academic and technical writing. It checks grammar, suggests paraphrases, reviews consistency and can proofread uploaded MS Word documents for download. Other tools include AI-assisted writing, citation features, plagiarism checks and a journal finder. Trinka Cloud checks English and Spanish grammar and detects the language automatically. Its browser plugin supports writing in Google Docs, Authorea, Evernote and Medium; listed platform options also include web, API, desktop and self-hosted access. Institution plans list LMS and SSO integrations such as Canvas, Moodle, Blackboard and D2L. The free Basic plan does not expire, but monthly usage limits apply. Premium costs $20 a month, billed monthly, and includes up to 120 proofread files per year and 25 AI writing requests per month. Confidential Data costs $300 a year with annual billing. Trinka says user data is encrypted in transit and at rest. Its Trust Center says paid-plan data is not used to train AI models and Confidential Data Plan data is deleted after processing.

Vale is an open-source command-line linter that checks prose against style-guide rules. It runs offline as a single binary, without an account, server, or model. Supported markup includes Markdown, AsciiDoc, reStructuredText, MDX, MyST, Quarto, Typst, HTML, XML, DITA, Org, and QDoc. It can extract and check comments in 19 programming languages, and Vale Views can target content in OpenAPI, Jupyter notebooks, commit messages, transcripts, docstrings, JSON, YAML, and TOML. Users can write custom rules in YAML and choose which rules and style packages apply. Ready-made packages include Google, Microsoft, Red Hat, readability, and Harper grammar styles. Integrations span editors including VS Code, Cursor, Neovim, JetBrains IDEs, and Obsidian, as well as GitHub Actions and pre-commit hooks. Its language server offers autocomplete, diagnostics, hover popups, and quick fixes. Only error-level alerts cause a non-zero exit code in CI; warnings and suggestions pass. The free plan is MIT-licensed; paid plans start at $19/user/mo.