Not Diamond is the world's most powerful intelligent model router.

We integrate with your existing AI gateway and coding agents to automatically recommend the best model for each prompt, reducing costs at scale while improving accuracy.

Accuracy gains 10% +
Cost savings 50% +
Faster dev cycles 10x

FOR DEVELOPERS AT THE FRONTIER

Openrouter
Hugging Face
Dropbox
IBM
Forethought
Doordash
Tenor
Rootly
American Expresss
Covena
Replicated
Parakeet
GROQ
Eden AI
Baker

1. INTELLIGENT MODEL ROUTING

Not Diamond automatically predicts which model to use for each input, dramatically reducing costs over long-running agent workloads while maintaining accuracy.

2. BUILT FOR CODING AGENTS

Not Diamond is built for autonomous coding agents, optimizing each step to achieve frontier quality over long horizons.

3. SEAMLESS INTEGRATION

Our router integrates with your existing harness and gateway, providing an intelligent optimization that fits seamlessly into your existing infrastructure.

Prompt Harness Router AI gateway
We use Not Diamond to power our intelligent routing feature, giving developers the ability to automatically use the best model on every input across every leading language model.
Alex Atallah
Alex Atallah
CEO and Co-founder, OpenRouter
Not Diamond significantly reduced our inference costs while also driving improvements in output quality. Throughout it all, the Not Diamond team has been incredibly responsive anytime we need support.
Grant Miller
Grant Miller
CEO and Co-founder, Replicated
As the leading incident management platform, ensuring high accuracy in Rootly’s AI workflows is paramount. Across our SRE benchmarks, Not Diamond increased the average accuracy by 39%, with some use cases more than doubling in performance.
Sylvain Kalache
Sylvain Kalache
Head of AI Labs, Rootly

DESIGNED FOR PRODUCTION-GRADE WORKLOADS

1— Our model router is state-of-the-art across both public benchmarks and production workloads, achieving higher accuracy and cost efficiency than all other techniques.

2— Integrations are stack agnostic through our secure API—our intelligent recommendations are executed in your model gateway and harness of choice.

3— Not Diamond is SOC-2 and ISO 27001 compliant. We provide custom ZDR policies and 24/7 support to the most sophisticated AI teams in the world.

100x your AI agents

Let the machine build the machine