AISIX Alternatives
Open-source AI gateway in Rust with one OpenAI-compatible API across 100+ LLM providers
AISIX is an open-source AI gateway built in Rust by API7, the team behind Apache APISIX.
Explore 59 alternatives to AISIX across 2 categories. Updated September 2026.
Featured
NanoGPT
One OpenAI-compatible API for 600+ models, with text billed at provider list prices
Pay per prompt, from $0.10
Top AISIX alternatives at a glance
- Vynaris. OpenAI-compatible gateway that routes each request to a smaller model and returns a cost receipt
- AI Gateway HQ. LLM gateway built around spend limits enforced before a request reaches a provider
- Varion. OpenAI-compatible proxy that trims LLM token usage before requests reach your provider
- Infer by Flow7. Responses API gateway for coding agents, with a public model catalog and per-request spend ceilings
- 2kw.ai. EU-hosted AI integration platform combining a provider gateway, document extraction, evals and cost observability
Compare AISIX with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| AISIX | Freemium | ✓ | ✓ APACHE-2.0 | Cloud + Self-hosted | — |
| Vynaris | Pay-per-use | — | — | Cloud | ๐ฎ๐ณ India |
| AI Gateway HQ | Pay-per-use | ✓ | — | Cloud | ๐บ๐ธ United States |
| Varion | — | ✓ | — | — | ๐ฑ๐น Lithuania |
| Infer by Flow7 | Pay-per-use | — | — | Cloud | ๐บ๐ธ United States |
| 2kw.ai | Subscription | ✓ | — | Cloud | ๐ฉ๐ช Germany |
| Requesty | Freemium | ✓ | — | Cloud | — |
| Parity Layer | Pay-per-use | ✓ | — | Cloud + Self-hosted | ๐ฌ๐ง United Kingdom |
| Openspender | Pay-per-use | ✓ | — | Cloud | — |
| Meriarc Token | Pay-per-use | — | — | Cloud | ๐ธ๐ฌ Singapore |
| Vercel AI Gateway | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| LLMWise | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| NanoGPT | Pay-per-use | ✓ | — | Cloud | — |
| OpenRouter | Freemium | ✓ | — | Cloud | ๐บ๐ธ United States |
| Akumi | Pay-per-use | — | — | Cloud | ๐ณ๐ฑ Netherlands |
| HostYourAI | Pay-per-use | — | — | Cloud + Self-hosted | ๐ณ๐ช๐น๐ญ๐ช๐ท๐ฑ๐ฆ๐ณ๐ฉ๐ธ NETHERLANDS |
๐ค Inference APIs
๐ Observabilityย & Analytics
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