Compare
Fluent CI vs Ultracite
Fluent CI lets you write CI pipelines in TypeScript, whereas Ultracite is a lint/format tool for code quality.
Fluent CIWrite your CI/CD Pipelines in Typescript! No YAML
UltraciteOpinionated, zero-config code linter and formatterWhich to pick
Pick Fluent CI if you want…
- TypeScript-based CI pipelines
- Integrations with Deno, Gleam or Rescript (on Fluent CI's list, not Ultracite's)
Pick Ultracite if you want…
- Zero-config linting & formatting for modern web projects
- Integrations with Oxlint, Biome or ESLint (on Ultracite's list, not Fluent CI's)
Side by side
- What it is
- Fluent CI:Fluent CI lets you write CI/CD pipelines in TypeScript instead of YAML.
- Ultracite:Ultracite is a zero-config preset that combines Oxlint, Biome and ESLint to lint and format JavaScript/TypeScript code.
- Best for
- Fluent CI:TypeScript-based CI pipelines
- Ultracite:Zero-config linting & formatting for modern web projects
- Who it’s for
- Fluent CI:Developers who prefer a real programming language for CI/CD pipelines.
- Ultracite:JS/TS developers and teams that want ready-made linting/formatting with AI agent support
- Pricing
- Fluent CI:Open source
- Ultracite:Free
- Open source
- Fluent CI:Yes, 122 GitHub stars
- Ultracite:Yes, 3,302 GitHub stars
- Works with
- Fluent CI:Deno, Gleam, Rescript, Rust, Bun, Cloudflare, Terraform, Android
- Ultracite:Oxlint, Biome, ESLint, Prettier, Stylelint, React, Next.js, Vitest
Fluent CI features
- TypeScript pipelines. Define build, test, and deploy steps using TypeScript code.
- Self-hosted. Run Fluent CI locally or on any server you control.
- FluentCI Studio. Graphical UI to explore and edit pipelines across projects.
- Plugin SDK. Write custom CI plugins with IDE auto-completion and type checking.
- 170+ extensions. Ready-made pipelines for many languages and services.
- Dagger & Deno core. Built on Dagger for portable pipelines and Deno for secure execution.
- Registry of pre-built pipelines. Browse and reuse community pipelines for common stacks.
- CI provider integration. Develop locally then push pipelines to any CI provider.
Ultracite features
- Zero-config presets. Provides pre-configured rules for Oxlint, Biome and ESLint that work out of the box.
- Agent integration. Generates rule files and hooks for 41 AI agents (Claude, Codex, Gemini, etc.) to enforce standards.
- Editor auto-setup. Creates settings for VS Code, Cursor, Windsurf and many other editors for format-on-save.
- Customizable presets. Strict defaults can be overridden with your own rule overrides.
- Pre-commit hooks. Optionally adds Husky, Lefthook, lint-staged or pre-commit hooks during init.
- Auto-fix and agent-fix commands. Runs autofix for mechanical issues and delegates remaining diagnostics to AI agents via CLI.
Fluent CI vs Ultracite FAQ
Is Fluent CI or Ultracite free?+
Yes, both are free, and Fluent CI is open source.
Is Fluent CI or Ultracite open source?+
Yes, both are open source: Fluent CI (fluentci-io/fluentci on GitHub, MPL-2.0 license) and Ultracite (haydenbleasel/ultracite on GitHub, MIT license).
Do Fluent CI and Ultracite integrate with the same tools?+
Partly. Both list Bun. Fluent CI also lists Deno, Gleam, Rescript, Rust and 9 more; Ultracite also lists Oxlint, Biome, ESLint, Prettier and 9 more.
On DevHunt
Fluent CI
158 upvotes · Launched on DevHunt on Jan 9, 2024
Based on each tool's website and DevHunt data. Details may change; check the official sites.