WhichModelWhichModel.io
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Related Products
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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.
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About
WhichModel is a next-generation AI benchmarking platform designed to help developers and businesses compare and optimize AI models for their specific tasks. It allows users to benchmark over 50 AI models side by side using real-time testing with custom inputs and parameters. The platform offers prompt optimization tools to identify the best-performing prompts across multiple models. Users can track model and prompt performance continuously to make informed, data-driven decisions. WhichModel supports major AI providers including OpenAI, Anthropic, Google, and popular open-source models. With pay-as-you-go credit packages and 24/7 support, it offers flexible and scalable access to AI benchmarking without subscription commitments.
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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
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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
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Audience
Developers and AI engineering teams wanting a tool providing access, optimized performance, and cost governance under a single API
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Audience
WhichModel is ideal for AI developers, data scientists, and businesses seeking a comprehensive and flexible platform to benchmark, compare, and optimize AI models for their specific use cases
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Supported
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Pricing
$10
Free Version
Not Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationFastRouter
Founded: 2025
United States
fastrouter.ai/
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Company InformationWhichModel.io
Founded: 2025
United States
www.whichmodel.io
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Categories |
Categories |
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Integrations
Claude Opus 4
Supported
GPT-5
Supported
GPT-5.2
Supported
GPT-5.2 Instant
Supported
GPT-5.2 Thinking
Supported
GPT-5.3 Instant
Supported
GPT-5.4
Supported
GPT-5.4 Pro
Supported
GPT-5.5
Supported
GPT-5.6 Luna
Supported
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Integrations
Claude Opus 4
Not Supported
GPT-5
Not Supported
GPT-5.2
Not Supported
GPT-5.2 Instant
Not Supported
GPT-5.2 Thinking
Not Supported
GPT-5.3 Instant
Not Supported
GPT-5.4
Not Supported
GPT-5.4 Pro
Not Supported
GPT-5.5
Not Supported
GPT-5.6 Luna
Not Supported
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