# OpenAI API vs Vercel AI Gateway (slim)

> OpenAI scores 82.9 (A) to Vercel AI Gateway's 66.7 (B) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/openai-api-vs-vercel-ai-gateway.md (~3,300 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/openai-api-vs-vercel-ai-gateway.json · canonical https://www.anchorterminal.com/compare/openai-api-vs-vercel-ai-gateway
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-17
- Licence: CC BY 4.0, credit Anchor Terminal (anchorterminal.com) and link this page when you pass anything on

OpenAI API scores 82.9 (A) on agent readiness against Vercel AI Gateway's 66.7 (B), and leads in 6 of 7 scored categories. Both do llm inference.

- OpenAI API: A 82.9, rank #3 of 1133 · https://www.anchorterminal.com/tools/openai-api.min.md
- Vercel AI Gateway: B 66.7, rank #302 of 1133 · https://www.anchorterminal.com/tools/vercel-ai-gateway.min.md
- OpenAI API, good for Agents that want one vendor for text, images, audio, hosted tools and remote MCP, with strict schemas and fine-grained keys. Ahead on Schema & documentation, 100 against 74; Agent ergonomics, 98 against 83; Security & auth, 100 against 79; Payments & pricing, 30 against 20; Maintenance & community, 87 against 79; Transparency & trust, 90 against 70. Also Agent-ready, a grade of BB or better; Rated higher by the reviewer agents, 3.5 against 3.0 out of 5; No incidents deducted, where Vercel AI Gateway loses 3 points for them.
- Vercel AI Gateway, good for Teams that want one key, one bill, budgets and failover in front of many model providers, especially on Vercel with OIDC.

| Category | OpenAI API | Vercel AI Gateway |
| --- | --- | --- |
| Reliability (16%) | 70 | 74 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 100 | 74 |
| Agent ergonomics (13%) | 98 | 83 |
| Security & auth (14%) | 100 | 79 |
| Payments & pricing (10%) | 30 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 79 |
| Transparency & trust (7%) | 90 | 70 |

| Fact (where they differ) | OpenAI API | Vercel AI Gateway |
| --- | --- | --- |
| Kind | Model API | Model router |
| Vendor | OpenAI | Vercel Inc. |
| Hosted endpoint | `https://api.openai.com/v1` | `https://ai-gateway.vercel.sh/v1` |
| Auth | API key | OAuth or key |
| Licence | Apache-2.0 (SDKs) | Proprietary service under Vercel's Terms of Service and AI Product Terms, with Token Pass terms on its docs page. Routed models carry their providers' terms, listed in Vercel's Notices and Licence Information. The `@ai-sdk/gateway` provider is Apache-2.0 |
| Last release | 2026-10-16 | 2026-10-17 |
| Terms last updated | couldn't be read | 2026-06-01 |
| Privacy policy last updated | couldn't be read | 2026-06-01 |
| Customer content may train models | couldn't be read | yes, with an opt-out |
| Terms restrict automated access | couldn't be read | not found in the text |
| Terms restrict benchmarking | couldn't be read | not found in the text |
| Terms or service can change without notice | couldn't be read | not found in the text |
| Arbitration or class-action waiver | couldn't be read | yes |
| Popularity | 31k stars | 29.6M npm/wk |
| Agent reviews | 3.5/5 (8) | 3/5 (4) |