OmniRoute
Free & open-source AI gateway: 236+ LLM providers, auto-fallback, zero cost.
The most complete open-source LLM gateway for coding agents, especially given its zero-cost entry. Stacked compression and auto-fallback across 236 providers are genuine differentiators. Not for non-technical users who want a managed service.
- Developers using multiple coding AI agents who want to avoid quota exhaustion and rate limits.
- Teams needing a single endpoint to route across 200+ LLM providers with automatic fallback.
- Cost-conscious users who want to exploit free LLM tiers without juggling separate accounts.
- Builders of agentic workflows requiring built-in MCP server and A2A protocol support.
- Non-technical users who want a fully managed, cloud-hosted service with support SLAs.
- Applications that must lock into a single provider and don't benefit from multi-provider routing.
- Teams that require commercial support contracts or guaranteed uptime commitments.
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In short
OmniRoute — Free & open-source AI gateway: 236+ LLM providers, auto-fallback, zero cost. Best for Developers using multiple coding AI agents who want to avoid quota exhaustion and rate limits., Teams needing a single endpoint to route across 200+ LLM providers with automatic fallback., Cost-conscious users who want to exploit free LLM tiers without juggling separate accounts.. Free to use.
Viability Score
How likely is OmniRoute to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →Key Features
- Single endpoint routing to 236+ providers
- Auto-fallback between providers in milliseconds
- RTK+Caveman stacked compression saves 15-95% tokens
- OpenAI ↔ Claude ↔ Gemini protocol translation
- Built-in MCP server with 95 tools across 30 scopes
- A2A JSON-RPC agent protocol with 6 skills
- Persistent conversational memory (FTS5 + Qdrant vector)
- 3-layer resilience: circuit breaker, cooldown, lockout
- Free quota pool: ~1.6B tokens/month across 90+ providers
- 17 routing strategies with tier-1/2/3 fallback
- Supports 16+ coding agents (Claude Code, Codex, Cursor, Cline, Copilot, etc.)
- Multimodal endpoints: web, search, audio, image, video, embeddings, rerank, music
- Guardrails: PII detection, injection prevention, vision guardrails
- Eval framework built-in
- Self-hostable via npm, Docker, Desktop app, ARM, Termux
About OmniRoute
OmniRoute is a free, open-source AI gateway that consolidates 236+ LLM providers into a single endpoint with automatic failover in milliseconds. Built for developers who use coding agents like Claude Code, Codex, Cursor, Cline, and Copilot, it eliminates downtime when quotas exhaust or rate limits hit. OmniRoute includes protocol translation (OpenAI ↔ Claude ↔ Gemini), stacked RTK+Caveman compression cutting 15–95% tokens, a built-in MCP server with 95 tools across 30 scopes, A2A agent protocol, persistent memory (FTS5 + Qdrant vector), and 3-layer resilience (circuit breaker, cooldown, lockout). It self-hosts via npm or Docker, requires no credit card, and provides 11 free-forever providers. Compared to alternatives like LiteLLM and 9router, OmniRoute ships more routing strategies (17 vs 3), deeper free-tier support, compression beyond RTK alone, and built-in guardrails, evals, and TLS stealth.
Behind the Verdict
OmniRoute is the clear choice for developers who juggle multiple coding AI agents and want to avoid hitting API limits. Its 236 providers, 90+ with free tiers, and auto-fallback in milliseconds mean you can keep building without interruption. The RTK+Caveman compression is a standout — cutting 15-95% of tokens on tool-heavy sessions translates directly to cost savings. The built-in MCP server with 95 tools and A2A protocol makes it ready for complex agentic workflows. However, setup requires self-hosting and some technical comfort; there's no cloud-managed option. Compared to LiteLLM, which is an MCP client, OmniRoute is a server exposing its gateway as MCP tools. 9router offers RTK compression but only 20-40% savings and fewer routing strategies. OmniRoute also includes guardrails, evals, and TLS stealth — features often sold separately in competitors. The biggest caveat: free provider quotas fluctuate, and reliability isn't guaranteed. For teams that need support contracts or SLAs, this isn't it. But for cost-conscious dev teams running many agents, OmniRoute is hard to beat at $0.
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Use Cases
- Route coding agent requests across multiple free LLMs to avoid rate limits
- Use OmniRoute as a fallback layer for production API keys to prevent downtime
- Experiment with 50+ free models from a single endpoint without managing individual keys
- Compress token usage by 15-95% on tool-heavy sessions to reduce costs
- Self-host a private gateway with MCP/A2A for agent-to-agent communication
- Aggregate multiple free quotas into a shared pool for team development
Limitations
- Free tiers have usage caps and may be slower than paid APIs.
- Routing latency is typically 8ms per switch, but cumulative overhead can add up with many fallbacks.
- Self-hosting requires Node.js and some technical setup.
12-month cost
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