LLM API

LLM API

LLMAPI.dev
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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

LLMAPI.dev is the fastest way to integrate and switch between large language models, all through a single, unified API. LLMAPI allows you to access models like GPT-4, Claude, Mistral, and more with ease. It streamlines billing, manages rate limits, and offers consistent response formats across different models. With transparent pricing, flexible usage plans, and developer-focused documentation, it’s the most efficient way to work with the latest AI models.

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

LLMAPI.dev is ideal for developers, startups, and enterprises seeking a single, scalable API to access a wide range of AI models from leading providers with minimal integration effort

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 Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

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

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

Company Information

FastRouter
Founded: 2025
United States
fastrouter.ai/

Company Information

LLMAPI.dev
llmapi.dev/

Alternatives

Alternatives

AnyAPI

AnyAPI

AnyAPI.ai

Categories

AI Gateways Supported
API Gateways Supported
LLM Routers Supported

Categories

API Gateways Supported
LLM API Supported

Integrations

Claude Opus 4 Supported
GPT-5.1 Instant Supported
GPT-5.1 Pro Supported
GPT-5.2 Supported
GPT-5.2 Pro Supported
GPT-5.4 mini Supported
GPT-5.4 nano Supported
GPT-5.6 Sol Supported
GPT-5.6 Sol Ultrafast Supported
GPT-5.6 Terra Supported
GPT-6 Astra Supported
GPT‑5.4 Thinking Supported
Gemini 3 Deep Think Supported
Gemini 3 Pro Supported
Gemini 3.1 Flash-Lite Supported
Grok 4 Supported
Grok 4.3 Supported
Holo4 Supported
Mistral AI Supported

Integrations

Claude Opus 4 Not Supported
GPT-5.1 Instant Not Supported
GPT-5.1 Pro Not Supported
GPT-5.2 Not Supported
GPT-5.2 Pro Not Supported
GPT-5.4 mini Not Supported
GPT-5.4 nano Not Supported
GPT-5.6 Sol Not Supported
GPT-5.6 Sol Ultrafast Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Astra Not Supported
GPT‑5.4 Thinking Not Supported
Gemini 3 Deep Think Not Supported
Gemini 3 Pro Not Supported
Gemini 3.1 Flash-Lite Not Supported
Grok 4 Not Supported
Grok 4.3 Not Supported
Holo4 Not Supported
Mistral AI Not Supported
Claim FastRouter and update features and information
Claim FastRouter and update features and information
Claim LLM API and update features and information
Claim LLM API and update features and information