Source: https://seerepo.com/compare/multica-ai/multica/vs/TabbyML/tabby
Markdown source: https://seerepo.com/compare/multica-ai/multica/vs/TabbyML/tabby.md
Description: multica and tabby share 22 technologies: OpenAI, React, Next.js, PostHog, Tailwind CSS, sonner, class-variance-authority, tailwind-merge, marked, Zod, next-themes, cmdk, react-day-picker, react-resizable-panels, recharts, react-markdown, rehype-sanitize, rehype-raw, remark-gfm, remark-math, tiptap, and unist-util-visit. multica is written in Go and tabby in Rust.

# multica vs tabby

multica and tabby share 22 technologies: OpenAI, React, Next.js, PostHog, Tailwind CSS, sonner, class-variance-authority, tailwind-merge, marked, Zod, next-themes, cmdk, react-day-picker, react-resizable-panels, recharts, react-markdown, rehype-sanitize, rehype-raw, remark-gfm, remark-math, tiptap, and unist-util-visit. multica is written in Go and tabby in Rust.

- [multica-ai/multica](https://seerepo.com/r/multica-ai/multica): Make humans and AI agents work as one team — open-source and self-hostable.
- [TabbyML/tabby](https://seerepo.com/r/TabbyML/tabby): Self-hosted AI coding assistant

## What they share and what sets them apart

- In common: OpenAI, React, Next.js, PostHog, Tailwind CSS, sonner, class-variance-authority, tailwind-merge, marked, Zod, next-themes, cmdk, react-day-picker, react-resizable-panels, recharts, react-markdown, rehype-sanitize, rehype-raw, remark-gfm, remark-math, tiptap, unist-util-visit
- Only in multica: net/http, chi, go-redis, pgx, s3, Postgres, Redis, Resend, react-router-dom, Electron, @electron-toolkit/preload, react-native, Expo, expo-secure-store, fumadocs-core, github.com/golang-jwt/jwt/v5, github.com/aws/aws-sdk-go-v2/credentials, github.com/yuin/goldmark, github.com/tdewolff/parse/v2, Prometheus, github.com/prometheus/client_model, github.com/aws/aws-sdk-go-v2, github.com/aws/aws-sdk-go-v2/config, github.com/lmittmann/tint, gopkg.in/natefinch/lumberjack.v2, fontsource-variable, dnd-kit, motion, @shikijs/themes, react-native-safe-area-context, react-native-svg, expo-image, react-native-reanimated, react-native-gesture-handler, react-native-keyboard-controller, Shopify, @react-native-community/datetimepicker, expo-status-bar, react-native-enriched-markdown, @expo/vector-icons, expo-image-picker, expo-document-picker, @shikijs/core, @tailwindcss/postcss, PostCSS, yaml, Base UI, TanStack, @number-flow/react, emoji-mart, input-otp, katex, linkify-it, mdast-util-from-markdown, rehype-katex, remark-breaks, shiki, react-virtuoso, @floating-ui/dom, lowlight, Mermaid, react-easy-crop, hast-util-to-html, react-qr-code, @tiptap/markdown, mdast-util-gfm-table, mdast-util-math, micromark-extension-gfm-table, micromark-extension-math, remark-cjk-friendly
- Only in tabby: axum, tower, sqlx-sqlite, sqlx, cached, SQLite, GitHub, Streamlit, Tokio, axum-extra, lru-cache, indicatif, spinners, utoipa-swagger-ui, jsonwebtoken, argon2, openidconnect, text-splitter, ollama-rs, jsonlines, htmd, lettre, validator, tracing, OpenTelemetry, opentelemetry_sdk, opentelemetry-otlp, tracing-opentelemetry, tracing-subscriber, @orama/orama, toml, pino, react-email, @codemirror/theme-one-dark, React Hook Form, Radix UI, CodeMirror, Framer, @uidotdev/usehooks, react-textarea-autosize, react-intersection-observer, downshift, react-activity-calendar, react-json-view, tippy.js, @uiw/codemirror-extensions-langs, cm6-graphql, embla-carousel-autoplay, embla-carousel-react, react-error-boundary, react-lazy-load, react-syntax-highlighter, react-topbar-progress-indicator, Lucide, @radix-ui/react-icons, jwt-decode, @urql/exchange-auth, dompurify, he, mdast, remark-stringify, unified, hast, remark, @hookform/resolvers

## Side by side

| | multica | tabby |
|---|---|---|
| Size | 1,429,010 lines written, 2,695 code files | 146,843 lines written, 1,069 code files |
| Who writes it | 35.7% of its commits signed by AI. With Claude Code, Cursor, Codex, and GitHub Copilot | 0.2% of its commits signed by AI. With GitHub Copilot and CodeRabbit |
| Activity | Last push November 5, 2026, 5,414 commits, 55,017 stars | Last push June 30, 2026, 3,670 commits, 33,923 stars |
| Tests | 2,450 test files. 63.7% of its code files have a test that imports them | 35 test files. 5.6% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, multica or tabby?

multica, with 1,429,010 lines written; tabby has 146,843.

The proof: [multica-ai/multica's code at commit 98846ce](https://github.com/multica-ai/multica/tree/98846ce564a6a7a0d26cb4f071263700003d3041)

### Which has more GitHub stars, multica or tabby?

multica, with 55,017 stars; tabby has 33,923.

The proof: [multica-ai/multica on GitHub](https://github.com/multica-ai/multica)

### Which has more tests, multica or tabby?

multica, with 2,450 test files; tabby has 35.

The proof: [multica-ai/multica's code at commit 98846ce](https://github.com/multica-ai/multica/tree/98846ce564a6a7a0d26cb4f071263700003d3041)

### Which was updated more recently, multica or tabby?

multica: its last push was on November 5, 2026, and tabby's on June 30, 2026.

The proof: [multica-ai/multica's commits on GitHub](https://github.com/multica-ai/multica/commits)

### Which has more commits signed by AI, multica or tabby?

multica: an AI signed 35.7% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in tabby, 0.2%.

The proof: [the commits each tool signed in multica-ai/multica](https://seerepo.com/r/multica-ai/multica/ai)

## Sources

- multica-ai/multica: Read on November 5, 2026, at commit 98846ce (https://github.com/multica-ai/multica/tree/98846ce564a6a7a0d26cb4f071263700003d3041)
- TabbyML/tabby: Read on November 7, 2026, at commit 21b2904 (https://github.com/TabbyML/tabby/tree/21b29048d7bcf6b94f9f482f2d0fd05efadfd19f)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.