Hard facts side by side: free tiers, prices, limits, SDKs and privacy. Every value links to the official page it came from and is re-checked every week.
| Fact |  Vercel AI SDK |
|---|---|
| Free tier | Free & open source Free open-source TypeScript library; Vercel AI Gateway adds a monthly free credit on select models. Source, Sep 29, 2026 |
| Starting price | Free, open source Optional AI Gateway is pay-as-you-go at provider list price with no markup or platform fee. Source, Sep 29, 2026 |
| Rate limit | Lower per-model limits (free) AI Gateway free tier; buying credits moves to paid tier with no gateway rate limits. Source, Sep 29, 2026 |
| Official SDKs | JavaScript / TypeScript |
| Open source | Yes Apache 2.0 licence Source, Sep 29, 2026 |
|---|
| Trains on your data | No Runs in your own code Source, Sep 29, 2026 |
|---|
| Compliance | SOC 2ISO 27001GDPRHIPAASource, Sep 29, 2026 |
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