Compare
Mastra vs Vercel AI SDK
A plain side-by-side, updated every day from official sources. We don't pick a winner; the right choice depends on what you need.
| Mastra | Vercel AI SDK | |
|---|---|---|
| Maker | Mastra | Vercel |
| Pricing | Free / open source | Free / open source |
| Open source | Yes | Yes |
| GitHub stars | 28.9k | 27.4k |
| Latest version | 1.78.0 (npm) | 7.0.143 (npm) |
| Release date | 2026-10-16 | 2026-10-16 |
| PyPI / week | — | — |
| npm / week | 2.3M | 31.2M |
| Last push | 2026-10-17 | 2026-10-16 |
| Verification | repo-verified | repo-verified |
| Updates that may need attention (12 weeks) | 27 | 0 |
| Pricing source | www.reddit.com/r/AI_Agents/comments/1tuum2e/best | www.reddit.com/r/AI_Agents/comments/1tuum2e/best |
| What it is | TypeScript agent framework. | TypeScript toolkit for AI apps and agents. |
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