Side-by-side comparison of two listed Dev Tools — real listing data only, no paid placement.
On record, they differ in: pricing (Exa Freemium vs Bun Free); unique tags (Exa 5: #search-api #ai-agents #web-crawling +2 more vs Bun 3: #javascript #runtime #open-source); category rank (Exa #3 vs Bun #7). Same category (Dev Tools). Listing facts only — not a recommendation.
Search API for AI agents needing real-time web data
Exa is a modern AI search engine that provides a SERP API, website crawler tools, and a deep research API. It offers a single endpoint for search, crawling, and research agents, enabling apps to access real-time web data and structured content. The API is available for free trial, with additional products like Exa Connect for accessing leading data providers.
Published 2026-08-13 · Links checked 2026-09-09
Fast all-in-one JavaScript runtime, bundler and package manager
Bun is a JavaScript runtime written in Zig that starts fast and bundles a package manager, test runner and bundler in one binary. It aims to be a drop-in, dramatically faster replacement for the Node.js toolchain.
Published 2026-08-06 · Links checked 2026-09-14
| Exa | Bun | |
|---|---|---|
| Pricing | Freemium | Free |
| Category | Dev Tools | Dev Tools |
| Rank in Dev Tools | Position #3 of 77 | Position #7 of 77 |
| Alternatives listed | none | 1 → |
| Shared tags | none | |
| Unique tags | #search-api #ai-agents #web-crawling #serp-api #deep-research | #javascript #runtime #open-source |
| Platforms | Not detected on official site (checked 2026-09-15) | Web app (installable) |
| Pricing page | Exa API Pricing | Not detected on official site (checked 2026-09-16) |
| Source code | Not detected on official site (checked 2026-09-15) | github.com/oven-sh/bun |
| Documentation | exa.ai/docs | bun.sh/docs |
| Company | Exa | Bun |
| In their own words | Search API for AI agents that need real-time web data, deep research, and structured content from one endpoint. Try our API for free.— official site (homepage description), checked | Bundle, install, and run JavaScript & TypeScript — all in Bun. Bun is a fast JavaScript runtime & toolkit with a bundler, test runner, and npm-compatible…— official site (homepage description), checked |
| Official channels | X (Twitter)LinkedInGitHubdeclared on exa.ai via schema.org sameAs | X (Twitter)declared on bun.sh via schema.org sameAs |
| Official website | exa.ai | bun.sh |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Exa is Freemium; Bun is Free. Both are listed in Dev Tools on ToolDock.
Exa is listed as freemium (free tier alongside paid plans); Bun is listed as free. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Dev Tools listed on ToolDock.
ToolDock keeps a tag-matched alternatives list for each: see Exa and Bun alternatives.