Bun vs npm
Bun vs npm, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Bun is on 59/100 and npm on 66/100.
Where each one leads
Bun
- agent readiness: 43/100 against 36/100
npm
- our overall score: 66/100 against 59/100
- domain rating: 92/100 against 82/100
- funding raised: $10.6M against $7.0M
At a glance
| Measure | Bun | npm |
|---|---|---|
| What it is | A fast, all-in-one JavaScript toolkit including a runtime, bundler, test runner, and package manager. | The world's largest software registry for JavaScript packages and the default package manager for Node.js. |
| Category | Developer Tools, JavaScript Runtime, Bundler, Transpiler | Developer Tools, Cloud Infrastructure, Open Source, API Platform |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2021 | 2010 |
| Headquarters | San Francisco, United States | Oakland, USA |
| Status | Active | Inactive |
Size, funding and growth
| Measure | Bun | npm |
|---|---|---|
| Total funding | $7.0M | $10.6M |
| Latest round | Not published | Series A |
| Valuation | Not published | $1.1B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Bun | npm |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 59/100 | 66/100 |
| Traction | Not published | 35/100 |
| Team | Not published | 60/100 |
| Search visibility | Not published | 22/100 |
| Quality | Not published | 89/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (43/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 82/100 | 92/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Bun | npm |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Cloudflare | Cloudflare |
| Frameworks | Tailwind CSS | Not detected |
| Analytics | Plausible | Not detected |
| Open source | Yes | Yes |
| Self-hostable | Yes | Yes |
Bun vs npm: common questions
Which is better, Bun or npm?
On our 0-100 score npm rates higher (66/100 against 59/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do Bun and npm compare on the numbers?
Bun leads on agent readiness (43/100 against 36/100). npm leads on our overall score (66/100 against 59/100), domain rating (92/100 against 82/100), funding raised ($10.6M against $7.0M).
Read the full Bun review and pricing or the npm review and pricing. You can also browse other Bun alternatives we track.