rtk vs union
rtk and union share 8 technologies: axum, SQLite, tower, Tokio, crossterm, Ratatui, tracing, and tracing-subscriber. Both are written in Rust.
LinkedInWhat they share and what sets them apart
rtk-ai
rtk
CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
Rust85.6kRead on November 4, 2026, at commit b47e05bWhat is rtk built with?Only in rtk
rusqlite
- tiktoken-rs
- image
- quick-xml
In common
unionlabs
union
The trust-minimized, zero-knowledge bridging protocol, designed for censorship resistance, extremely high security, and usage in decentralized finance.
Rust73.7kRead on November 5, 2026, at commit 031785bWhat is union built with?Only in union
- net/http
- Gorilla
- sqlx-postgres
- Postgres
- moka
- sqlx
- wasmtime
- Svelte
- SvelteKit
- Supabase
- @effect/platform
- console
- ed25519-dalek
- schemars
- github.com/rs/zerolog
- tracing-opentelemetry
- OpenTelemetry
opentelemetry-otlp
- Tailwind CSS
tailwind-merge
rehype-stringify
- remark
- remark-parse
unified
vfile
- @effect/opentelemetry
Side by side
rtkunion
SizeLines written by people and agents, without generated ones; code files, without tests.
rtk219,272 lines written253 code files
union468,416 lines written1,841 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
rtk33.7% of its commits signed by AIWith Claude Code, Codex, and Cursor
union0% of its commits signed by AIWith CodeRabbit
ActivityFrom GitHub and its history, on the day SeeRepo read it.
rtkLast push November 4, 20261,914 commits85,563 stars
unionLast push July 25, 202613,299 commits73,725 stars
TestsThe files that test the code, and the share of code files a test imports.
rtk84 test files4% of its code files have a test that imports them
union120 test files10.4% of its code files have a test that imports them
Frequently asked questions
Which is bigger, rtk or union?
union, with 468,416 lines written; rtk has 219,272.
The proof: unionlabs/union's code at commit 031785b
Which has more GitHub stars, rtk or union?
rtk, with 85,563 stars; union has 73,725.
The proof: rtk-ai/rtk on GitHub
Which has more tests, rtk or union?
union, with 120 test files; rtk has 84.
The proof: unionlabs/union's code at commit 031785b
Which was updated more recently, rtk or union?
rtk: its last push was on November 4, 2026, and union's on July 25, 2026.
The proof: rtk-ai/rtk's commits on GitHub
Which has more commits signed by AI, rtk or union?
rtk: an AI signed 33.7% of its commits, with Claude Code, Codex, and Cursor.
The proof: the commits each tool signed in rtk-ai/rtk
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