Otari is Mozilla.ai's open-source LLM gateway and control plane.
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It exposes one OpenAI- and Anthropic-compatible endpoint for 40+ providers, issues scoped virtual keys, enforces budgets before requests are dispatched and records usage, and its CLI adds repo-committed guardrails for coding agents.
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OpenAI and Anthropic-compatible endpoint for 40+ providers via any-llm
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Revocable virtual keys scoped by user, workspace and model
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Budget checks before dispatch and usage tracking after settlement
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Failover, weighted and learned routing policies with an admin dashboard
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Optional code execution, web search, MCP and inference guardrails
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otari hook Agent Guardrails that block forbidden coding-agent tool calls and diffs, also checkable in CI
Freemium
The gateway is free and open source (Apache-2.0) to self-host in standalone mode; a hybrid mode connects a self-run data plane to the hosted otari.ai control plane. Model usage is billed by your providers.
Best for
Teams that want to route Claude Code and other LLM clients through a self-hosted gateway with per-user keys, budgets and usage visibility.
Not ideal for
Solo developers with a single provider key who do not need centralized key management, budgets or routing.
A credible, actively developed open-source gateway from Mozilla.ai that combines provider routing and spend control with practical guardrails for coding agents.
Shipped rapid releases through v0.28.0 on October 16, 2026, with active development continuing on October 18, 2026; Mozilla.ai launched it publicly in July 2026 as an open-source LLM control plane.
As of
Is Otari free?+
Otari is Freemium. The gateway is free and open source (Apache-2.0) to self-host in standalone mode; a hybrid mode connects a self-run data plane to the hosted otari.ai control plane. Model usage is billed by your providers. Check the official site for current plans.
Is Otari open source?+
Yes - Otari is open source. The gateway is free and open source (Apache-2.0) to self-host in standalone mode; a hybrid mode connects a self-run data plane to the hosted otari.ai control plane. Model usage is billed by your providers.
How much does Otari cost?+
The gateway is free and open source (Apache-2.0) to self-host in standalone mode; a hybrid mode connects a self-run data plane to the hosted otari.ai control plane. Model usage is billed by your providers. Pricing changes often - verify on the official site.
Who is Otari best for?+
Teams that want to route Claude Code and other LLM clients through a self-hosted gateway with per-user keys, budgets and usage visibility.
Who is Otari not ideal for?+
Solo developers with a single provider key who do not need centralized key management, budgets or routing.
What are the best Otari alternatives?+
The closest Otari alternatives on ai.dosa.dev are Pieces for Developers, agenttrace, Vibe Kanban - all listed under Developer Productivity & Workflow.
Who makes Otari?+
Otari is developed by Mozilla.ai. It is listed in the Developer Productivity & Workflow category on ai.dosa.dev.
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