RouterBase
RouterBase is a unified API gateway that gives developers and teams access to 200+ AI models, including GPT, Claude, Gemini, Llama, Mistral and DeepSeek, through a single OpenAI-compatible endpoint. Instead of maintaining separate keys and billing for each provider, you switch models with one line of configuration. RouterBase adds smart routing, automatic failover across providers, and unified billing, so your application keeps running even when an upstream provider has an outage. A free tier is available with no credit card required.
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Crazyrouter
Crazyrouter is an AI API gateway that gives developers access to 300+ AI models through a single API key. Compatible with the OpenAI SDK format, it supports GPT-5, Claude, Gemini, DeepSeek, Llama, Mistral, and hundreds more — all at prices up to 50% lower than going direct to providers
Key Features:
• One API key for 300+ models (OpenAI, Anthropic, Google, Meta, etc.)
• OpenAI-compatible API format — zero code changes to switch
• Pay-as-you-go pricing with no monthly subscriptions
• Built-in load balancing, failover, and rate limit management
• Real-time usage dashboard and token tracking
• Support for text, image, video, audio, and embedding models
• Enterprise-grade uptime with multi-region infrastructure
Ideal for developers, startups, and teams who want to experiment with multiple AI models without managing separate API keys and billing accounts.
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OfoxAI
OfoxAI is a unified, OpenAI-compatible API gateway that gives developers and teams instant access to 100+ large language models — GPT, Claude, Gemini, DeepSeek, and more — through a single endpoint and one API key. Stop juggling multiple provider accounts, SDKs, and invoices: integrate once, switch models freely, and scale from a solo prototype to a full production team.
Key features:
One API Key, 100+ Models — Always up-to-date with the latest models from OpenAI, Anthropic, Google, DeepSeek, and more.
Three Native Protocols — Full OpenAI, Anthropic, and Gemini SDK compatibility. Zero code migration — just swap the base URL.
Low-Latency Access — Global routing with under 300ms average latency.
Zero Markup Pricing — Pay official provider rates, with no surcharges or hidden fees.
Built for Teams — Shared billing dashboard, per-member usage tracking, and budget controls.
Flexible Payments — Credit card, PayPal, and major regional payment methods supported.
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FastRouter
FastRouter is a unified API gateway that enables AI applications to access many large language, image, and audio models (like GPT-5, Claude 4 Opus, Gemini 2.5 Pro, Grok 4, etc.) through a single OpenAI-compatible endpoint. It features automatic routing, which dynamically picks the optimal model per request based on factors like cost, latency, and output quality. It supports massive scale (no imposed QPS limits) and ensures high availability via instant failover across model providers. FastRouter also includes cost control and governance tools to set budgets, rate limits, and model permissions per API key or project, and it delivers real-time analytics on token usage, request counts, and spending trends. The integration process is minimal; you simply swap your OpenAI base URL to FastRouter’s endpoint and configure preferences in the dashboard; the routing, optimization, and failover functions then run transparently.
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