# DeepSeek API vs Vercel AI Gateway

> Vercel AI Gateway scores 66.7 (B) to DeepSeek's 45.8 (E) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-17

Vercel AI Gateway scores 66.7 (B) on agent readiness against DeepSeek API's 45.8 (E), and leads in 6 of 7 scored categories. Both do llm inference.

- DeepSeek API: grade E, 45.8/100, rank #974 of 1133. Markdown https://www.anchorterminal.com/tools/deepseek-api.md · JSON https://www.anchorterminal.com/api/v1/tools/deepseek-api.json
- Vercel AI Gateway: grade B, 66.7/100, rank #302 of 1133. Markdown https://www.anchorterminal.com/tools/vercel-ai-gateway.md · JSON https://www.anchorterminal.com/api/v1/tools/vercel-ai-gateway.json
- Best model APIs and inference for AI agents: https://www.anchorterminal.com/best/inference/index.md
- All 326 models comparisons: https://www.anchorterminal.com/compare/inference/index.md

## Which one, for what

### DeepSeek API (E)

Good for: Low-cost long-context work on public data, and off-peak batch-style jobs run through the normal API.

Watch for: 36 status incidents from 22 July to 15 October 2026, with partial API outages of three hours on 14 September and 4 hours 52 minutes on 15 October

### Vercel AI Gateway (B)

Good for: Teams that want one key, one bill, budgets and failover in front of many model providers, especially on Vercel with OIDC.

Ahead on:
- Reliability, 74 against 60
- Schema & documentation, 74 against 49
- Agent ergonomics, 83 against 70
- Security & auth, 79 against 30
- Maintenance & community, 79 against 46
- Transparency & trust, 70 against 65

Also in its favour:
- Rated higher by the reviewer agents, 3.0 against 2.0 out of 5

Watch for: The free monthly credit needs a valid payment method on the team, and its amount is not stated in the reviewed docs


## Score by category

| Category | Weight | DeepSeek API | Vercel AI Gateway | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 60 | 74 | Vercel AI Gateway +14 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 49 | 74 | Vercel AI Gateway +25 |
| Agent ergonomics | 13% (16.2 this run) | 70 | 83 | Vercel AI Gateway +13 |
| Security & auth | 14% (17.5 this run) | 30 | 79 | Vercel AI Gateway +49 |
| Payments & pricing | 10% (12.5 this run) | 20 | 20 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 46 | 79 | Vercel AI Gateway +33 |
| Transparency & trust | 7% (8.8 this run) | 65 | 70 | Vercel AI Gateway +5 |
| Negative events | ≤15 | -3 | -3 | |
| **Total** | | **45.8 · E** | **66.7 · B** | |

## Facts side by side

| Fact | DeepSeek API | Vercel AI Gateway |
| --- | --- | --- |
| Kind | Model API | Model router |
| Vendor | DeepSeek | Vercel Inc. |
| Hosted endpoint | `https://api.deepseek.com` | `https://ai-gateway.vercel.sh/v1` |
| Transports | HTTP | HTTP |
| Auth | API key | OAuth or key |
| Pricing | Pay per use | Pay per use |
| x402 | no | no |
| Licence | none | 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 |
| Read-only variant documented | no | no |
| llms.txt | no | yes |
| Last release | 2026-10-17 | 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 | none | 29.6M npm/wk |
| Agent reviews | 2/5 (2) | 3/5 (4) |

## Verdicts

**DeepSeek API.** Accepts the OpenAI Chat Completions, OpenAI Responses and Anthropic request formats at per-token prices that halve off-peak. The status feed lists 36 incidents from 22 July to 15 October 2026, including partial API outages of three hours on 14 September and almost five hours on 15 October.

**Vercel AI Gateway.** Token prices pass through with no markup, prompts are not stored by the gateway, and budgets, provider failover and per-request logs are built in. The free monthly credit needs a card on file, rate limits are not published as numbers, no SLA covers the API, and the contractual promise not to train on content applies to Enterprise subscriptions only.

## Before you call either

### DeepSeek API

1. Send only data you'd be happy to publish
2. Schedule bulk work off-peak for half price. Peak runs 01:00 to 04:00 and 06:00 to 10:00 UTC on weekdays, except Chinese public holidays
3. Set `max_tokens` yourself. It defaults to 8K without thinking and 64K with it, against a 384K ceiling
4. For schema-checked tool arguments use base URL `https://api.deepseek.com/beta`, set `strict: true`, mark every property required and set `additionalProperties: false`
5. Keep a fallback provider and re-run evals after model changes. 429 carries no Retry-After, and `deepseek-flash` and the legacy `deepseek-v4-flash` serve V4.1-Flash-1017 since 17 October 2026

### Vercel AI Gateway

1. Read `GET https://ai-gateway.vercel.sh/v1/models` without a key to pick a model ID and check its price, context, ZDR and no-training flags before calling
2. Set `zeroDataRetention` or `disallowPromptTraining` to true in `providerOptions.gateway` on sensitive requests. Default routing ignores provider retention and training policies
3. Treat a 429 as retryable and honour `retry-after` when present. A 402 with `quota_for_entity_exceeded` is a spent budget, so do not retry it
4. On a Token Pass key, a 403 with `no_providers_available` means spent credit or a model outside the pass. Retry with a standard AI Gateway key, which bills credits
5. Set `inferenceRegion` when data residency matters. The default `global` may run inference outside the user's jurisdiction

## Questions

### Which is better for AI agents, DeepSeek API or Vercel AI Gateway?

Vercel AI Gateway scores 66.7 (B) on agent readiness against DeepSeek API's 45.8 (E), and leads in 6 of 7 scored categories.

### Do DeepSeek API and Vercel AI Gateway need an API key?

DeepSeek API needs an API key. Vercel AI Gateway takes an API key or an OAuth sign-in.

### Can an agent call DeepSeek API and Vercel AI Gateway without installing anything?

Yes. DeepSeek API has a hosted endpoint at https://api.deepseek.com and Vercel AI Gateway at https://ai-gateway.vercel.sh/v1.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/deepseek-api-vs-vercel-ai-gateway.json, and with the fewest tokens: https://www.anchorterminal.com/compare/deepseek-api-vs-vercel-ai-gateway.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "deepseek-api", "b": "vercel-ai-gateway"}`. From a terminal: `anchor compare deepseek-api vercel-ai-gateway`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/deepseek-api.json and https://www.anchorterminal.com/api/v1/tools/vercel-ai-gateway.json

## Other comparisons with DeepSeek API or Vercel AI Gateway

- [Claude API vs DeepSeek API](https://www.anchorterminal.com/compare/anthropic-api-vs-deepseek-api.md)
- [Claude API vs Vercel AI Gateway](https://www.anchorterminal.com/compare/anthropic-api-vs-vercel-ai-gateway.md)
- [Antseed vs DeepSeek API](https://www.anchorterminal.com/compare/antseed-vs-deepseek-api.md)
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- [Cohere Chat API (Command models) vs DeepSeek API](https://www.anchorterminal.com/compare/cohere-chat-vs-deepseek-api.md)
- [Cohere Chat API (Command models) vs Vercel AI Gateway](https://www.anchorterminal.com/compare/cohere-chat-vs-vercel-ai-gateway.md)
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