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SWE Arena Rank #186

Bun Runtime

oven-sh/bun · Author: @oven-sh

View on GitHub

Arena ELO

1360

±16

Total Stars

96.1k

+25.7% w/w

Monthly Traffic

3.5M/mo

4.1x vs median

Search Demand

580,000/mo

+135% YoY

Adoption & Growth Why & Use Cases Architecture & Stack Web Traffic & Demand Benchmarks & ELO Compare Head-to-Head

12-Month Adoption & Star Velocity +25.7% w/w

Empirical star trajectory for Bun Runtime vs Category Median benchmark. Hover along points to inspect exact monthly stats.

Bun Runtime Category Median

GROWTH VELOCITY

+25.7%

1.7x vs category median

ARENA ELO SCORE

1360

+168 vs category median

WEB VISITS MOMENTUM

3.5M/mo

4.1x category median

LATENCY EFFICIENCY

10ms

3.8x faster execution

Ecosystem Adoption Thesis

Across verified open-source agentic tools, Bun Runtime holds a position in the top percentile for developer retention and production velocity. Its weekly surge rate of +25.7% signals sustained real-world adoption rather than speculative hype.

Why Teams & Autonomous Agents Choose Bun Runtime

Incredibly fast JavaScript & TypeScript runtime, bundler, test runner, and package manager. Built from scratch in Zig.

Verified Real-World Production Workflow

Primary Implementation:

Accelerate agentic code generation runs, package installations, and test executions by 4x to 10x over Node.js.

Engine Stack & Dependencies:

Zig, JavaScriptCore (JSC), POSIX syscall optimizations.

Target Persona & Role Fit

Full-Stack & Systems Engineers

Engineered and benchmarked specifically for Full-Stack & Systems Engineers demanding deterministic execution, low token overhead, and production reliability in agentic loops.

Production Blueprint & Installation

git clone https://github.com/oven-sh/bun

Technical Specification (ASD-STE100)

Incredibly fast JavaScript & TypeScript runtime, bundler, test runner, and package manager. Built from scratch in Zig.

Architecture: Zig, JavaScriptCore (JSC), POSIX syscall optimizations.

Domain Tags & Keywords

#javascript-runtime#zig#package-manager#high-performance

Compute Efficiency Profile

P95 EXECUTION LATENCY

10ms

3.8x faster than median

TOKEN EFFICIENCY SAVINGS

-95%

Measured via context pruning

HEAD-TO-HEAD WIN RATE

92%

Arena paired matches

Monthly Documentation & Site Visits

3.5M/mo

Measured via Traffic Research bypass engine (4.1x category median)

Google Search Keyword Demand

580,000/mo

+135% YoY expansion

6-Month Web Traffic Velocity

Traffic momentum vs Category Median (850k visits/mo benchmark).

Bun Runtime Median

This repository commands strong developer search intent across Perplexity, Google AI Overviews, and Claude. High keyword demand directly correlates with active team onboarding and production dependency adoption.

Arena ELO Rating Stability

Head-to-head empirical ratings evaluated across standardized agent workflows.

1360

±16 CI

WIN RATE

92%

Head-to-head

WEEKLY SURGE

+25.7%

Adoption velocity

P95 LATENCY

10ms

Execution speed

TOKEN OVERHEAD

-95%

Context saved

Head-to-Head Comparison — Bun Runtime vs 300 Skills

Select any repository from the 300-skill benchmark graph to evaluate speed, memory, and adoption differences side-by-side.

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