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AI · alternatives · 2026

24 alternatives to Relay

Reliable delivery layer for LLM APIs

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 2 we have checked on their own sites, 2 of them free or with a free tier.

  1. 1
    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 →

  2. 2

    I spent a few hours last weekend testing whether AI can replace code by executing directly. Built a contact manager where every HTTP request goes to an LLM with three tools: database (SQLite), webResponse (HTML/JSON/JS), and updateMemory (feedback). No routes, no controllers, no business logic. The AI designs schemas on first request, generates UIs from paths alone, and evolves based on natural language feedback. It works—forms submit, data persists, APIs return JSON—but it's catastrophically slow (30-60s per request), absurdly expensive ($0.05/request), and has zero UI…

    Nov 2025 · github.com · its alternatives →

  3. 3
    Tokenwise▲143

    A smart LLM proxy that shows where you're overpaying

    Jun 2026 · tokenwisehq.com · its alternatives →

  4. 4

    LLM Provider arbitrage to get the best performance for the $

    2025 · makehub.ai · its alternatives →

  5. 5
    LLMTest▲125

    Use the right LLMs in your apps. Setup fallbacks. Be happy.

    May 2026 · llmtest.io · its alternatives →

  6. 6
    Sudo AI▲265

    Sudo — AI monetization infrastructure for developers 4 months ago, I kept running into the same problem building AI products: inference is expensive, subscriptions are blunt, and ads weren’t designed for generated content. So I started working on Sudo, an infrastructure layer that makes it easier to launch and monetize AI apps. ⸻ Key features (in beta now): • One API to route across top models (no vendor lock-in) • Real-time metering & billing (usage-based, subscriptions, or hybrid) • Optional AI-native ads — contextual, developer-defined, and personalized • Dashboard for tracking usage,…

    2025 · sudoapp.dev · its alternatives →

  7. 7

    Aggregate uptime monitoring across OpenAI, Claude, and more

    Apr 2026 · tools.lamatic.ai · its alternatives →

  8. 8

    We built any-llm because we needed a lightweight router for LLM providers with minimal overhead. Switching between models is just a string change : update "openai/gpt-4" to "anthropic/claude-3" and you're done. It uses official provider SDKs when available, which helps since providers handle their own compatibility updates. No proxy or gateway service needed either, so getting started is pretty straightforward - just pip install and import. Currently supports 20+ providers including OpenAI, Anthropic, Google, Mistral, and AWS Bedrock. Would love to hear what you think!

    2025 · github.com · its alternatives →

  9. 9
    Astra AI▲142

    Universal API for adding any app to your LLM

    2024 · its alternatives →

  10. 10

    Ollama but for mobile, with a cloud fallback

    2025 · runanywhere.ai · its alternatives →

  11. 11

    An AI Cost Optimization Infrastructure for LLM Applications

    Mar 2026 · getpromptly.in · its alternatives →

  12. 12
    ReliAPI▲87

    Stop losing money on failed OpenAI and Anthropic API calls.

    Dec 2025 · kikuai-lab.github.io · its alternatives →

  13. 13
    Multiroute AI - smart LLM routerfree tier, from $0.0005/mo▲2

    One API for every LLM — tuned per task, BYOK

    May 2026 · multiroute.ai · its alternatives →

  14. 14

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

    2025 · llmapi.in · its alternatives →

  15. 15

    Talk to multiple LLMs thru a unified API

    2025 · ai-gateway.dev · its alternatives →

  16. 16

    Dev tool that worries about your LLM API failures.

    Aug 2026 · llmrouter.dpdns.org · its alternatives →

  17. 17

    Hi HN, We’re building https://www.switchpoint.dev – a drop-in replacement for OpenAI’s API that reduces LLM cost by smartly routing across models (e.g., Claude, Gemini, GPT-4) depending on subject and difficulty of the task. Why we built this: LLM costs are spiraling—especially for products doing retrieval, agentic reasoning, or even just high-volume chat. We were frustrated with paying GPT-4 rates when most queries didn’t need it. So we built a router that: - Starts with cheaper/free models (like Llama 8B, 4o-mini, 2.0 flash) - Streams responses and upgrades on failure - Acts…

    2025 · switchpoint.dev · its alternatives →

  18. 18

    Provides the same proxy OpenAI API for different LLM models

    2024 · github.com · its alternatives →

  19. 19
    klanex▲4

    Reliability layer for AI agent tool calls

    Aug 2026 · klanexai.com · its alternatives →

  20. 20

    Take control of your API Infrastructure

    Jun 2026 · onlyallow.ai · its alternatives →

  21. 21

    Author here. Since the last post, RelayFreeLLM now supports NVIDIA's free catalog, adds 4-mode context management (with extractive summarization that doesn't need an LLM), session affinity, output normalization, and a global provider lock to eliminate 429 errors entirely. 8 providers, one endpoint, all free: https://github.com/msmarkgu/RelayFreeLLM

    Mar 2026 · github.com · its alternatives →

  22. 22

    Safest way to save the AI token costs

    2025 · twotrim.com · its alternatives →

  23. 23
    COO▲9

    COO for Our Large Language Model Providers

    2025 · coo-llm.github.io · its alternatives →

  24. 24

    Serverless LLM Fine-Tuning SDK

    2024 · its alternatives →

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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 →