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AI gateway tools

Routers and gateways that unify multiple AI providers behind one API or UI: key management, routing, and self-hosting options.

10 tools11 comparisonsSource-cited profiles

All comparisons All free tools

Tools in this category

Starting points from the current catalog — not paid rankings. Open each profile for sources and limitations.

9RouterAI Gateway

Developers who want one local endpoint for Claude Code, Codex, Cursor, Cline, Copilot, OpenCode, and other compatible tools, with provider fallback and a dashboard instead of manual endpoint switching.

Free planFree and open source under the MIT license; self-hosted through the npm package or source. The gateway has no subscription price, but connected providers, accounts, quotas, and their Terms of Service still determine the real cost and availability. Verify live limits before relying on a provider.Official sources

FreeLLMAPIAI Gateway

Developers who want to experiment or run personal coding agents on free provider tiers through a single endpoint, without wiring each provider's key and rate limit by hand.

Free planFree and open source (MIT), self-hosted; no subscription needed. Optional Premium adds the live model catalog: $19/year or $49 once (lifetime), tax included, per freellmapi.co. Free installs receive monthly catalog snapshots. You still bring your own provider keys, and each provider's free-tier limits and Terms of Service apply.Official sources

LiteLLMAI Gateway

Developers and platform teams who want a self-hosted, free AI gateway with granular spend control, virtual keys, and fallbacks — without per-token platform fees.

Free planOpen source and self-hosted is free forever ($0): 100+ providers behind one OpenAI-compatible API with virtual keys, users and teams, spend tracking, budgets and rate limits, LLM fallbacks, request/response logging, and Prometheus metrics. Enterprise is priced annually by gateway request capacity (never per token) and adds SSO/SCIM, OIDC/JWT auth, audit logs, secret managers and key rotation, org and team admins, multi-region control plane, 24/7 support with SLAs, and air-gap deployment; a 30-day trial key is available without a credit card. from litellm.ai/pricing.Official sources

OmniRouteAI Gateway

Developers and creators who want free or low-cost access to many LLM providers without juggling separate API keys, subscriptions, and rate limits.

Free planFree and open source (MIT). Self-hosted, no subscription; free tiers of 90+ providers are reachable through one endpoint. Check the official site for current provider terms and limits.Official sources

OpenRouterAI Gateway

Developers and teams who want one API key for many models with hosted reliability, without running or maintaining any gateway infrastructure.

Free planPay-as-you-go with prepaid credits; model prices pass through at list price. Free: 25+ free models from 4 providers, 50 requests/day. Standard: 500+ models from 80+ providers, 5.5% platform fee, provider passthrough rate limits. Business: 8% platform fee, adds EU/US in-region routing and up to 1,000 workspaces. BYOK is fee-free up to $25,000/month of list-price inference, then 5%. Enterprise: custom, SSO/SAML and SLAs.Official sources

PortkeyAI Gateway

Teams putting LLM features into production that need observability, guardrails and key management on top of routing, with the option to self-host the open-source gateway.

Free planDeveloper: free forever, 10k recorded logs/month, 3-day log retention, not for production. Production: $49/month, 100k recorded logs/month (+$9 per additional 100k), 30-day log retention, LLM guardrails, RBAC, semantic caching. Enterprise: custom (SSO, VPC hosting, SOC2/HIPAA). The open-source gateway is free to self-host.Official sources

RequestyAI Gateway

Developers who want an OpenRouter-style hosted gateway with a flat 5% markup, bring-your-own-keys and EU data residency, without running infrastructure.

Free planFree: $0, access to free models, 200 requests/day, routing, caching and EU data residency. Pay as you go: model cost plus a 5% markup (a $10 per 1M-token model costs $10.50), 600+ models, bring your own keys, spend limits, MCP gateway. Enterprise: custom (SSO, RBAC, audit logs, SLAs). No per-seat pricing or minimum spend.Official sources

Cloudflare AI GatewayAI Gateway

Developers already on Cloudflare who want free caching, rate limiting and usage analytics in front of their existing provider keys with one line of code.

Free planCore features (dashboard analytics, caching, rate limiting) are free on all plans. Unified Billing adds a 5% fee on purchased credits, with provider inference passed through at no markup. DLP scanning is free; Guardrails is billed as Workers AI inference. Logs: gateways created from September 24, 2026 follow Workers Logs pricing; earlier gateways keep Legacy Logs (100,000 logs on Workers Free, 10 million per gateway on Workers Paid). Logpush needs Workers Paid (10M requests/month, then $0.05 per million).Official sources

BifrostAI Gateway

Engineering teams running high-traffic LLM apps that want a fast, self-hosted gateway with failover and caching, and an enterprise path for clustering and guardrails.

Free planOpen source under Apache 2.0 and free to self-host. Bifrost Enterprise (private deployments with adaptive load balancing, clustering, guardrails and an MCP gateway) has a 14-day free trial; its price is not published.Official sources

LLM GatewayAI Gateway

Developers who want an OpenRouter-style hosted gateway with no fee on their own provider keys, or the option to self-host the same open-source code.

Free planFree: $0, 3 zero-cost models (20 requests a minute), 5% platform fee on credit purchases, no platform fee when you bring your own provider keys, 30-day data retention; optional payload storage at $0.01 per 1M tokens. Enterprise: custom (30-day trial, volume discounts, 99.9% uptime SLA, SSO/SAML, audit logs, guardrails). Self-hosting is free under AGPLv3.Official sources