{"slug":"prettier","name":"Prettier","domain":"prettier.io","verdict":"As of 2026-08-23, ChatGPT, Claude, Gemini, Grok collectively rank Prettier #2 of 8 for code formatter. Source: https://modelsagree.com/product/prettier (modelsagree.com, CC BY 4.0).","best_rank":2,"categories":1,"entries":[{"slug":"best-code-formatter","title":"Best code formatter","rank":2,"of":8,"score":16,"appearances":4,"modelRanks":{"ChatGPT":3,"Claude":2,"Gemini":1,"Grok":2},"reason":"Broadest native support for ubiquitous frontend, configuration, and documentation languages (JS/TS, JSON, YAML, Markdown, CSS, HTML, GraphQL) with an opinionated, zero-debate AST formatting engine and universal editor integration.","reasons":[{"model":"Gemini","reason":"Broadest native support for ubiquitous frontend, configuration, and documentation languages (JS/TS, JSON, YAML, Markdown, CSS, HTML, GraphQL) with an opinionated, zero-debate AST formatting engine and universal editor integration."},{"model":"Claude","reason":"The de facto formatter for the web stack with the widest real language coverage across one tool — JS/TS, JSX, HTML, Vue, Svelte, Angular, CSS/SCSS/Less, GraphQL, Markdown, YAML, JSON — mature, battle-tested, opinionated defaults that end style debates, and near-universal editor/CI integration."},{"model":"Grok","reason":"Most mature and widely battle-tested multi-language formatter with deep plugin coverage for the languages that dominate real codebases (JS/TS, CSS, HTML, Markdown, YAML, GraphQL and many more via community plugins); universal editor/CI support and opinionated consistency deliver immediate practical value without custom infrastructure"},{"model":"ChatGPT","reason":"Still the strongest default when “multi-language” mostly means web-stack languages and config files: mature, intentionally opinionated output, excellent editor/CI integration, broad built-in web-language support, and an extensible plugin API for additional languages. ([Prettier][3])"}],"fixes":[{"model":"ChatGPT","fix":"Its native sweet spot remains the web ecosystem; truly polyglot repositories involving languages such as Go, Rust, Python, Java, or C++ generally need separate formatters or third-party plugins."},{"model":"Claude","fix":"JavaScript-based and slow on large codebases; opinionated with almost no config, and outside the web/JS ecosystem it doesn't format systems languages (Go, Rust, Python)."},{"model":"Gemini","fix":"Node.js runtime overhead causes sluggish performance on massive monorepos, and it lacks native first-party support for major compiled backend languages like Go, Rust, C++, and Python."},{"model":"Grok","fix":"JS runtime and sequential processing make it slow on large multi-language monorepos; systems languages (Go, Rust, C++, Python) still require external tools so it never fully replaces a polyglot stack"}],"updated":"2026-08-23","rank_history":{"days":["2026-08-22","2026-08-23"],"ranks":[2,3]},"api":"https://modelsagree.com/api/v1/best/best-code-formatter.json"}],"page":"https://modelsagree.com/product/prettier","check":"https://modelsagree.com/check?q=Prettier","updated":"2026-09-09T13:07:58.066Z","attribution":"modelsagree.com, CC BY 4.0"}