Agent Router
Summary
Juggling API keys across Claude Code, OpenAI Codex, and Gemini CLI means three billing dashboards, three quota limits, and a different endpoint in every config file — Agent Router exists to collapse that into one.
Agent Router is a gateway that sits in front of multiple LLM providers and exposes a single OpenAI-compatible endpoint, so any framework that already speaks to OpenAI drops in without a rewrite. The prepaid credits model means you load credits once and route across providers without managing per-provider subscriptions. Routing decisions can steer traffic toward lower-cost models, which matters when agent loops make hundreds of small calls per task. The ceiling appears when you need dynamic routing logic — branching based on latency, error rate, or output quality — because a passive gateway does not make those decisions for you. Teams that need intelligent failover or cost-aware model selection based on task type end up writing that logic themselves on top of the gateway.
Bottom line: Use this to unify billing and endpoint configuration across Claude, OpenAI, and Gemini for teams spending too much time on provider plumbing — but if your routing needs to react to live performance data, you are building that layer yourself.
Pricing Plans
Usage-Based- Free Tier
- Substantial trial credits provided upfront
Pay-as-you-go
Prepaid credits consumed by token usage; volume discounts available
- No subscription
- Credits never expire
- Model-specific ratios
Enterprise
Per-seat or custom contracts with dedicated support
- Monthly quotas
- Audit logs
- Multi-channel failover
View full pricing on agentrouter.org →
Pricing may have changed since last verified. Check the official site for current plans.
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Pros
Sign in to edit- Single OpenAI-compatible endpoint across Claude, OpenAI, and Gemini, so existing frameworks and coding tools drop in without a client rewrite — eliminating the per-provider SDK sprawl that breaks when any one provider changes their auth scheme.
- Prepaid credits pooled across providers, which means one balance covers all model traffic instead of managing separate subscription renewals that expire on different cycles.
- No subscription required, so teams with bursty or project-based usage pay only for what they send — avoiding the sunk cost of monthly minimums when a project goes quiet.
- Usage tracking at enterprise scale, which gives operations teams a single dashboard to audit model spend across multiple agents or projects instead of reconciling invoices from three providers.
- API access included, so the gateway itself can be called programmatically — enabling teams to integrate routing into deployment pipelines or cost monitoring scripts without manual intervention.
Cons
Sign in to edit- Routing is passive: Agent Router forwards requests to whichever model you specify in the call, but it does not automatically failover to a secondary provider when the primary returns errors or latency spikes. Teams that need resilient multi-provider routing write that detection and retry logic themselves, at which point Agent Router is one layer of several they maintain.
- No self-hosted deployment path means all traffic passes through Agent Router's infrastructure. Teams under data residency mandates or security policies that prohibit third-party API proxies cannot use this — they switch to a self-hostable alternative like LiteLLM or a custom gateway.
- Granular per-agent and per-project usage breakdowns are a paid-only feature. Teams on free credits who need to allocate costs across multiple internal projects hit this wall as soon as finance asks for a breakdown, and either upgrade or instrument their own logging at the call site.
- The scraped page requires JavaScript to render content, which suggests the documentation and configuration references live behind a client-rendered interface — teams evaluating integration details before committing cannot inspect endpoint specs or provider coverage without running the app.
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About
- Platforms
- Web, API
- API Available
- Yes
- Self-Hosted
- No
- Last Updated
- 2026-07-28T13:18:11.611Z
Best For
Who it's for
- Developers using multiple LLM backends
- Teams seeking lower per-token costs
- Agent frameworks requiring OpenAI-compatible endpoints
- Users preferring prepaid usage without subscriptions
What it does well
- Routing API calls across multiple LLM providers
- Cost optimization for agent and coding tool workflows
- Unified access for Claude Code, OpenAI Codex, and Gemini CLI
- Enterprise-scale model integration with usage tracking
Integrations
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Frequently Asked Questions
- Is Agent Router free?
- Agent Router has a permanent free tier alongside paid upgrades. You can keep using a baseline version indefinitely without paying.
- Is Agent Router open source?
- No — Agent Router is a closed-source tool. Source code is not publicly available.
- Does Agent Router have an API?
- Yes. Agent Router exposes a developer API. See the official documentation at https://agentrouter.org for details.
- What platforms does Agent Router support?
- Agent Router is available on: Web, API.
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Agent Router is a hosted LLM gateway that accepts requests through an OpenAI-compatible API and forwards them to the appropriate backend provider — Claude, OpenAI, Gemini, or others. The core workflow is: get one API key from Agent Router, point your existing tooling at the Agent Router endpoint, and specify the target model per request. No changes to the calling code beyond the base URL and key. Prepaid credits cover usage across providers from a single balance, replacing per-provider subscriptions.
The differentiating feature is the unified endpoint combined with the prepaid credit system. Most developers reaching for a multi-provider setup either hard-code per-provider clients and manage keys separately, or pay overlapping subscription fees across tools like Claude Code and Codex. Agent Router removes both problems — one key, one balance, one endpoint — and the vendor states enterprise-scale usage tracking is available for teams that need visibility across large call volumes.
This fits cleanly into agent frameworks and coding tool pipelines that already conform to the OpenAI API contract. If your framework uses the OpenAI SDK and you want to switch a specific agent to Claude without touching the framework code, this is the drop-in path. Where it breaks: Agent Router is a passive gateway. It forwards your request to the provider you name. It does not watch latency, detect provider outages and reroute automatically, or select the cheapest available model for a given task on its own. Teams that need that logic build it above the gateway layer, which means they are maintaining routing rules Agent Router does not execute.
The self-hosted option does not exist — traffic routes through Agent Router’s infrastructure, so teams with data residency requirements or air-gapped environments cannot use this. Enterprise usage tracking is a paid-only feature, so smaller teams on free credits see aggregate usage but not the granular per-agent or per-project breakdowns that operations teams typically need at scale.