AI · alternatives · 2026

24 alternatives to Apiarium

One API for every AI model

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 3 we have checked on their own sites, 2 of them free or with a free tier.

1. 1
   FastRouter.aifree tier, from $199/mo▲364

   Route requests to the right LLM for cost, latency & quality

   21d ago · fastrouter.ai · its alternatives →

2. 2
   APIPark▲719

   Your open source AI gateway & API developer portal

   2024 · apipark.com · its alternatives →

3. 3
   LLM Gatewayfree tier▲296

   I built an OpenAI-compatible LLM gateway that routes requests to OpenAI, Anthropic, Ollama, vLLM, llama-server, SGLang... anything that speaks /v1/chat/completions. Single Go binary, one YAML config file, no infrastructure. It does the things you'd expect from this kind of gateway... semantic routing via a three-layer cascade (keyword heuristics, embedding similarity, LLM classifier) that picks the best model when clients omit the model field, weighted round-robin load balancing across local inference servers with health checks and failover. The part I think is most…

   2025 · llmgateway.io · its alternatives →

4. 4
   Astra AI▲142

   Universal API for adding any app to your LLM

   2024 · its alternatives →

5. 5
   api.ai▲301

   Build your own Siri. Speech interface for apps and devices.

   2014 · its alternatives →

6. 6
   AI/ML API▲95

   One API 100+ AI models

   2024 · aimlapi.com · its alternatives →

7. 7
   OpenRouter Model Fusion▲144

   Hey HN, We've been building a multi-model API for LLMs called OpenRouter since we launched the Window AI extension in April this year [0]. The events of the last week make it clear the LLM landscape is unpredictable, so LLM aggregators are picking up interest. Unlike others, we're making a router on top of a public, explorable dataset. We recently built a way to rank and visualize this data, including the token counts we see going to and from different models, both open-sourced (like Llama, Mistral, finetunes, and variants) and closed-sourced (OpenAI, Anthropic). The API supports - 50+…

   Apr 2026 · openrouter.ai · its alternatives →

8. 8
   ModelRiver▲37

   Connect once to every major AI model. Run AI workflows in the background while your backend controls what AI sees.

   Jan 2026 · modelriver.com · its alternatives →

9. 9
   Autonoma▲173

   Confluence like code documentation automatically with AI

   2023 · getautonoma.com · its alternatives →

10. 10
    Router by Ramp▲120

    Tokens are money. Save both.

    Aug 2026 · router.com · its alternatives →

11. 11
    LLM API▲7

    Access all AI models you need through a single, reliable API

    2025 · llmapi.in · its alternatives →

12. 12OS
    Open-source model routing for coding agents at Astra-level performance▲122

    21d ago · its alternatives →

13. 13
    IQ Routing▲100

    Route every LLM call to the cheapest model that holds quality. Chatbots, RAG, agent loops, and finance. Cut spend 40 to 80 percent, measured on our own traffic, live in thirty seconds.

    Aug 2026 · iq-routing.com · its alternatives →

14. 14
    IonRouter ▲131

    Serve Any AI Model, Faster & Cheaper

    Mar 2026 · ionrouter.io · its alternatives →

15. 15
    ModelPilot▲94

    Optimize Performance, Cost, Speed & Carbon for each prompt

    Nov 2025 · modelpilot.co · its alternatives →

16. 16
    Meta AI▲94

    The most intelligent AI assistant that you can freely use

    2024 · meta.ai · its alternatives →

17. 17
    RouteAI▲3

    One API. Every AI Model.

    Jul 2026 · fastrouteai.com · its alternatives →

18. 18
    Smart Router — AI API Gateway from $18.97/mo▲1

    Save 50-80% on AI API costs — automatically.

    Aug 2026 · 2229577636392.gumroad.com · its alternatives →

19. 19
    Open Source AI Gateway▲11

    Talk to multiple LLMs thru a unified API

    2025 · ai-gateway.dev · its alternatives →

20. 20
    APIPoints▲2

    Smarter AI Routing Starts Here.

    Jul 2026 · apipoints.dev · its alternatives →

21. 21
    OneRouter▲11

    The #1 Unified AI Gateway, One API for All Models

    2025 · infron.ai · its alternatives →

22. 22
    AutoRouter▲1

    An API for Orchestrating Top AI Models Worldwide

    Jul 2026 · autorouter.top · its alternatives →

23. 23
    PureRouter▲20

    Build Multi-Model AI Without the Complexity.

    2025 · its alternatives →

24. 24
    GTWY▲19

    Top AI Models via One API

    Nov 2025 · gtwy.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →