bun
All-in-one JavaScript runtime and toolkit
JS/TS
—
Overall Rank
Not in top 20
20%
Pick Rate
27 of 135 (CI: 14.1–27.5%)
27
Primary Picks
of 135 extractable
50
Alt Picks
also mentioned 8x
Strong Default
Category Tier
56.3% winner dominance
In Package Manager
Full comparison →By Model
Sonnet 4.5
20%
avg across repos
Opus 4.5
20%
avg across repos
Opus 4.6
20%
avg across repos
Per-Repo Breakdown
| Repo | Stack | Sonnet | Opus 4.5 | Opus 4.6 |
|---|---|---|---|---|
TaskFlowJS/TS | Next.js 14, TypeScript, App Router | 20% | 20% | 20% |
InvoiceTrackerJS/TS | Vite, React 18, TypeScript | 20% | 20% | 20% |
Key Insight
pnpm is the default (56.3%), followed by npm (23%) and bun (20%). yarn is a known alternative (51 alt picks) but is almost never the primary recommendation (0.7%). All four package managers are well-represented in alternative mentions.
Frequently Asked Questions
- Does Claude Code recommend bun?
- bun appears in 20% of Package Manager responses. The category leader is pnpm at 56.3%.
- What package manager tool does Claude Code prefer?
- pnpm leads at 56.3%. The category is classified as "Strong Default" (50–75% dominance). Other options include npm (23%) and bun (20%).
- How do different Claude models compare on bun?
- Across repos, Sonnet 4.5 averages 20%, Opus 4.5 averages 20%, and Opus 4.6 averages 20% for bun.