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About

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.

About

Zerouter is a hosted AI API gateway for developers building applications and coding workflows with large language models. It provides one API key and a configurable base URL for sending requests to models from Anthropic (Claude), OpenAI (GPT), Google (Gemini), xAI (Grok), and Moonshot AI (Kimi). The gateway exposes OpenAI-compatible and Anthropic-compatible endpoints, allowing supported SDKs and clients such as Claude Code, Codex CLI, and Cursor to connect with a custom endpoint rather than managing separate provider connections. Users can select model IDs, view published per-token rates, and review request-level usage and charges. Zerouter uses pay-as-you-go billing based on input and output token use, with no subscription or monthly minimum. It is aimed at software developers and technical teams integrating hosted LLMs into apps, coding agents, and other API-based workflows.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and AI engineering teams wanting a tool providing access, optimized performance, and cost governance under a single API

Audience

Developers, AI engineers, startups and teams using Claude Code, Codex CLI, Cursor or LLM APIs

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

$0.023/1M input tokens
Pay-as-you-go pricing varies by model and token type. The published rate table includes input pricing from $0.023 per million tokens and output pricing from $0.12 per million tokens. No subscription or monthly minimum is stated.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

FastRouter
Founded: 2025
United States
fastrouter.ai/

Company Information

Zerouter
Founded: 2025
zerouter.ai

Alternatives

Alternatives

Categories

AI Gateways Supported
API Gateways Supported
LLM Routers Supported

Categories

AI Gateways Supported

Integrations

OpenAI Supported
Anthropic Not Supported
Claude Opus 4 Supported
Cursor Not Supported
GPT-5.1 Supported
GPT-5.1 Instant Supported
GPT-5.2 Supported
GPT-5.2 Thinking Supported
GPT-5.3 Instant Supported
GPT-5.5 Supported
GPT-5.5 Pro Supported
GPT-5.6 Luna Supported
GPT-6.1 Sol Supported
Gemini 2.5 Pro Supported
Gemini 3 Deep Think Supported
Grok Not Supported
Grok 4 Supported
Grok 4.1 Fast Supported
Kimi Not Supported

Integrations

OpenAI Supported
Anthropic Supported
Claude Opus 4 Not Supported
Cursor Supported
GPT-5.1 Not Supported
GPT-5.1 Instant Not Supported
GPT-5.2 Not Supported
GPT-5.2 Thinking Not Supported
GPT-5.3 Instant Not Supported
GPT-5.5 Not Supported
GPT-5.5 Pro Not Supported
GPT-5.6 Luna Not Supported
GPT-6.1 Sol Not Supported
Gemini 2.5 Pro Not Supported
Gemini 3 Deep Think Not Supported
Grok Supported
Grok 4 Not Supported
Grok 4.1 Fast Not Supported
Kimi Supported
Claim FastRouter and update features and information
Claim FastRouter and update features and information
Claim Zerouter and update features and information
Claim Zerouter and update features and information