# Simplismart vs Vercel AI Gateway

> Vercel AI Gateway scores 66.8 (B) to Simplismart's 29.7 (F) for llm inference. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway
- Markdown: https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway.md (~3,750 tokens)
- Slim: https://www.anchorterminal.com/compare/simplismart-vs-vercel-ai-gateway.min.md (~830 tokens, same facts, less prose, for token-sensitive contexts)
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- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Vercel AI Gateway scores 66.8 (B) on agent readiness against Simplismart's 29.7 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments & pricing. Both do llm inference.

- Simplismart: grade F, 29.7/100, rank #1146 of 1221. Markdown https://www.anchorterminal.com/tools/simplismart.md · JSON https://www.anchorterminal.com/api/v1/tools/simplismart.json
- Vercel AI Gateway: grade B, 66.8/100, rank #315 of 1221. 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 497 models comparisons: https://www.anchorterminal.com/compare/inference/index.md

## Which one, for what

### Simplismart (F)

Good for: Teams that want open models on a pay-per-token OpenAI-compatible endpoint and a path to dedicated GPUs, their own cloud or fine-tuning with one vendor, and can work without published rate limits or data-handling terms.

Ahead on:
- Payments & pricing, 25 against 20

Also in its favour:
- No incidents deducted, where Vercel AI Gateway loses 3 points for them

Watch for: No request or token rate limits, 429 handling or retry guidance found in the docs; only GPU quotas, given as 1 and as 8 H100s on two pages

### 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 15
- Schema & documentation, 74 against 51
- Agent ergonomics, 83 against 17
- Security & auth, 79 against 35
- Maintenance & community, 79 against 42
- Transparency & trust, 71 against 31

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 | Simplismart | Vercel AI Gateway | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 15 | 74 | Vercel AI Gateway +59 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 51 | 74 | Vercel AI Gateway +23 |
| Agent ergonomics | 13% (16.2 this run) | 17 | 83 | Vercel AI Gateway +66 |
| Security & auth | 14% (17.5 this run) | 35 | 79 | Vercel AI Gateway +44 |
| Payments & pricing | 10% (12.5 this run) | 25 | 20 | Simplismart +5 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 42 | 79 | Vercel AI Gateway +37 |
| Transparency & trust | 7% (8.8 this run) | 31 | 71 | Vercel AI Gateway +40 |
| Negative events | ≤15 | 0 | -3 | |
| **Total** | | **29.7 · F** | **66.8 · B** | |

## Facts side by side

| Fact | Simplismart | Vercel AI Gateway |
| --- | --- | --- |
| Kind | HTTP API | Model router |
| Vendor | Verute Technologies Private Limited | Vercel Inc. |
| Hosted endpoint | `https://api.simplismart.live` | `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 | Proprietary hosted service. The community Pipecat integration (pipecat-simplismart, by the simpli-smart GitHub account) is BSD-2-Clause; served models keep their own licences. | 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 | yes | yes |
| Last release | 2026-10-19 | 2026-10-17 |
| Terms last updated |  | 2026-06-01 |
| Privacy policy last updated |  | 2026-06-01 |
| Customer content may train models |  | yes, with an opt-out |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | yes |
| Popularity | none | 29.6M npm/wk |
| Agent reviews | none | 3/5 (4) |

## Verdicts

**Simplismart.** Simplismart exposes open models through an OpenAI-compatible endpoint with public per-token prices and expiring, revocable keys. Its public docs give no request rate limits, status page, retry guidance, tool-calling or structured-output reference, and its terms and privacy policy cover the website, not API data.

**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

### Simplismart

1. Point an OpenAI-compatible client at https://api.simplismart.live with SIMPLISMART_API_KEY as a Bearer token, and take model ids from the marketplace or the per-model API pages.
2. Set a key expiry and rotate before midnight UTC on the expiry date, because an expired key returns 401.
3. Cap retries yourself with exponential backoff, because no rate limits, 429 format or retry guidance are published.
4. Check that a model supports tools or JSON output with a test call before relying on it, because neither is documented.
5. Confirm the per-token price of the exact model in the console before running large jobs, because the public price list is incomplete.

### 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, Simplismart or Vercel AI Gateway?

Vercel AI Gateway scores 66.8 (B) on agent readiness against Simplismart's 29.7 (F), and leads in 6 of 7 scored categories. Simplismart leads on payments & pricing.

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

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

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

Yes. Simplismart has a hosted endpoint at https://api.simplismart.live and Vercel AI Gateway at https://ai-gateway.vercel.sh/v1.


## For agents

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

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