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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

Kerlig is an AI-powered writing assistant for Mac that helps users save time and improve their communication at work by integrating with all apps. It supports multi-language features and allows you to proofread, summarize, translate, and extract key points from PDFs, documents, and web pages. Custom Actions and presets make it adaptable to your workflow. Custom Actions allow for editing prompts to make the AI model perform exactly what you need. Invoke them with a single click or a keyboard shortcut. Presets are personalized settings for AI models that give them a specific personality and guide their actions based on your preferences. For example, they can help the AI write emails in your style or take on roles like a software engineer or copywriter. Kerlig supports over 350 AI models, including providers like OpenAI, Google Gemini, Anthropic Claude, Perplexity, AWS Bedrock, OpenRouter, and more. It also supports running local models via Ollama and LM Studio integrations.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

Kerlig is ideal for professionals, business owners, designers, and anyone using macOS who wants to streamline their written communication and improve productivity

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

$47
Free Version
Free Trial

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
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

FastRouter
Founded: 2025
United States
fastrouter.ai/

Company Information

Kerlig
Founded: 2024
Poland
www.kerlig.com

Alternatives

Alternatives

ChatKit

ChatKit

OpenAI
Tyk

Tyk

Tyk Technologies

Categories

Categories

Integrations

OpenAI
GPT-4
GPT-5.1
GPT-5.1 Pro
GPT-5.1 Thinking
Gemini 1.5 Flash
Gemini 2.0
Gemini Enterprise
Gemini Nano
Gemini Pro
Gemma
Grok 4
Grok 4.1
Grok 4.1 Thinking
Groq
Llama 3
Microsoft Teams
Mistral AI
Mixtral 8x7B
Slack

Integrations

OpenAI
GPT-4
GPT-5.1
GPT-5.1 Pro
GPT-5.1 Thinking
Gemini 1.5 Flash
Gemini 2.0
Gemini Enterprise
Gemini Nano
Gemini Pro
Gemma
Grok 4
Grok 4.1
Grok 4.1 Thinking
Groq
Llama 3
Microsoft Teams
Mistral AI
Mixtral 8x7B
Slack
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