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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

OpenRouter Fusion turns a prompt into a small multi-model deliberation, making combined model results as easy to call as a single model. A panel of expert models analyzes the prompt in parallel with web search and web fetch enabled, then a judge model compares their responses and returns structured analysis that includes consensus, contradictions, partial coverage, unique insights, and blind spots. The final answer is written from that analysis, helping users benefit from multiple perspectives rather than relying on one model alone. Fusion is built for cases where a single model is not enough, such as research, expert critique, compare-and-contrast prompts, multi-domain questions, or any task where being wrong is expensive. Users can call Fusion directly through the openrouter/fusion model alias, enable it as the fusion server tool, or configure it through the Fusion plugin; all three entry points use the same pipeline.

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

AI product teams and research-heavy builders who need multi-model analysis to improve complex answers, expert critique, and source-grounded synthesis

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

Free
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

OpenRouter
Founded: 2023
United States
openrouter.ai/fusion

Alternatives

Alternatives

Lucidworks Fusion

Lucidworks Fusion

Lucidworks

Categories

Categories

Integrations

GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.2 Instant
GPT-5.2 Pro
GPT-5.2 Thinking
GPT-5.3 Instant
GPT-5.4
GPT-5.4 mini
GPT-5.5
GPT-5.6 Luna
GPT‑5.4 Thinking
Gemini 2.5 Pro
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3.1 Pro
Gemini 3.5 Pro
Grok 4.20
OpenRouter

Integrations

GPT-5
GPT-5.1
GPT-5.1 Instant
GPT-5.1 Pro
GPT-5.2 Instant
GPT-5.2 Pro
GPT-5.2 Thinking
GPT-5.3 Instant
GPT-5.4
GPT-5.4 mini
GPT-5.5
GPT-5.6 Luna
GPT‑5.4 Thinking
Gemini 2.5 Pro
Gemini 3 Deep Think
Gemini 3 Flash
Gemini 3.1 Pro
Gemini 3.5 Pro
Grok 4.20
OpenRouter
Claim FastRouter and update features and information
Claim FastRouter and update features and information
Claim OpenRouter Model Fusion and update features and information
Claim OpenRouter Model Fusion and update features and information