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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

By using the best-performing model for each request, we can achieve higher performance than any single model. Martian outperforms GPT-4 across OpenAI's evals (open/evals). We turn opaque black boxes into interpretable representations. Our router is the first tool built on top of our model mapping method. We are developing many other applications of model mapping including turning transformers from indecipherable matrices into human-readable programs. If a company experiences an outage or high latency period, automatically reroute to other providers so your customers never experience any issues. Determine how much you could save by using the Martian Model Router with our interactive cost calculator. Input your number of users, tokens per session, and sessions per month, and specify your cost/quality tradeoff.

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

Companies wanting a platform to improve performance and lower costs

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

Pricing

No information available.
Free Version Not Supported
Free Trial Supported

Pricing

No information available.
Free Version Not 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

Martian
Founded: 2022
United States
withmartian.com

Alternatives

Alternatives

Router

Router

Ramp

Categories

AI Gateways Supported
API Gateways Supported
LLM Routers Supported

Categories

AI Development Supported
AI Models Supported
LLM Routers Supported

Integrations

Claude Opus 4 Supported
GPT-5 Supported
GPT-5.1 Instant Supported
GPT-5.2 Instant Supported
GPT-5.2 Pro Supported
GPT-5.2 Thinking Supported
GPT-5.4 Supported
GPT-5.4 mini Supported
GPT-5.4 nano Supported
GPT-5.5 Pro Supported
GPT-5.6 Sol Supported
GPT-5.6 Sol Ultrafast Supported
GPT-5.6 Terra Supported
GPT-6 Sol Supported
GPT‑5.4 Thinking Supported
Gemini 2.5 Pro Supported
Grok 4.1 Fast Supported
Grok 4.3 Supported
Mistral AI Supported
Python Not Supported

Integrations

Claude Opus 4 Not Supported
GPT-5 Not Supported
GPT-5.1 Instant Not Supported
GPT-5.2 Instant Not Supported
GPT-5.2 Pro Not Supported
GPT-5.2 Thinking Not Supported
GPT-5.4 Not Supported
GPT-5.4 mini Not Supported
GPT-5.4 nano Not Supported
GPT-5.5 Pro Not Supported
GPT-5.6 Sol Not Supported
GPT-5.6 Sol Ultrafast Not Supported
GPT-5.6 Terra Not Supported
GPT-6 Sol Not Supported
GPT‑5.4 Thinking Not Supported
Gemini 2.5 Pro Not Supported
Grok 4.1 Fast Not Supported
Grok 4.3 Not Supported
Mistral AI Not Supported
Python Supported
Claim FastRouter and update features and information
Claim FastRouter and update features and information
Claim Martian and update features and information
Claim Martian and update features and information