Busbar alternatives

Tools that do what Busbar does, found by what they say they do rather than by shelf. Among the equally alike, the most used come first. Each line says how it differs from Busbar.

Read 2026-11-02

With a free plan or free to use: LiteLLM, VoidLLM, Metriqual, Opper AI, OrcaRouter.

10 alternativesUnlike Busbar

#1
LiteLLM LLM operations
Routes requests across 140+ LLM providers and 1800+ models through a single API gateway with cost optimization and access controls.
Free planOpen source
15.2k
Active
Open source
2023
#2
INFRO Developer tools MCP · sign-in
Routes AI model requests through your own provider accounts, enforcing budgets and recording estimated cost per request.
Same job
5
Active
From $35/mo
#3
VoidLLM Developer tools
Self-hosted gateway that routes requests to multiple LLM providers with zero-knowledge architecture, never storing prompts or responses.
Free plan
3
Active
From ≈ $55/mo
#4
Kaeso Developer tools
Routes application calls to AI model providers through one self-hosted Rust gateway that holds provider keys, enforces rate and budget limits, and logs usage.
Open source
1.2k installs/mo
Active
#5
Metriqual Developer tools
Routes API calls across multiple LLM providers with automatic failover and conversation state preservation.
Free planAlso: Monitoring
33 linking domains
Active
From $99/mo
#6
Aurora Gateway LLM operations
Routes requests to any LLM provider with caching, failover, and usage tracking.
Same job
Emerging
Active
2026
#7
ZenMux Developer tools
Unified API gateway providing access to 100+ AI models with automatic failover and built-in compensation for poor outputs.
More widely used
2.5k
Active
From $20/mo
#8
Opper AI Developer tools
Routes requests across 700 AI models through one EU-hosted API with automatic failover and GDPR compliance.
Free planMore widely used
1.5k
Active
Free plan
2023
#9
Torrix Developer tools
Self-hosted proxy and SDK that logs LLM calls, tracing latency, errors and per-token cost across OpenAI, Anthropic and other providers.
Also: Monitoring
34
Active
#10
OrcaRouter Developer tools
Routes API requests to the best-performing language model based on quality and cost metrics.
Free planAlso: Workflow automation
594
Active
From $49/mo

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How this list is made: the words Busbar is described with (what it does, for whom, what it is used for) are matched against every tool in the Atlas. A tool on the same shelf, or doing the same kind of work, counts for a little more. Nothing here is paid for.