LLM InfrastructureCommercial✦ Free Tier

Not Diamond

AI model router that learns which LLM performs best for your tasks

App Infrastructure

About

Not Diamond is a model router that analyzes your prompts and routes each one to the LLM most likely to perform best, based on task type and historical quality data. It supports GPT-4, Claude, Gemini, and more, reducing costs while maintaining output quality.

Choose Not Diamond when…

  • want data-driven model selection based on your specific tasks
  • reducing LLM spend without sacrificing output quality
  • running multiple model providers in parallel

Builder Slot

Which models does your stack route through?Optional for most stacks

A gateway that normalizes calls across providers — one API for all models, with fallbacks

Dev Tools
Not applicable
App Infra
Optional
Hybrid
Optional

Other tools in this slot:

Stack Genome Detection

AIchitect's Genome scanner detects Not Diamond in your project via these signals:

npm packages
notdiamond
pip packages
notdiamond
env vars
NOTDIAMOND_API_KEY

Integrates with (1)

LiteLLMLLM Infrastructure

Not Diamond can be layered over LiteLLM, adding intelligent task-based routing on top of LiteLLM's unified provider API.

Best-of-both: LiteLLM's provider coverage with Not Diamond's quality-driven routing.

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Pricing

✦ Free tier available
Free$0/mo
Pro$49/mo

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Not Diamond on AIchitect[![Not Diamond](https://aichitect.dev/badge/tool/not-diamond)](https://aichitect.dev/tool/not-diamond)

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