Not Diamond
Model router that predicts which AI model will give the best answer for a prompt at the lowest cost.
- Value
- About $2.3M raised in 2024, plus an undisclosed 2025 round from strategic investors including IBM and SAP.iO
- Listed
- Private
Helps teams choose between models using their own test data rather than public benchmarks.
A small team, and larger companies such as Snowflake are reported to be looking at the space.
Money coming in
Who pays Not Diamond, and for what.
No customers of Not Diamond mapped yet.
Money going out
Who Not Diamond pays to do what it does.
No suppliers of Not Diamond mapped yet.
Where it sits on the map
Competitors and neighbours
One API that sends requests to hundreds of AI models, billed in one place, with a small margin on each call.
Sacra estimate of about $50M annualised in early 2026. Company does not publish revenue
Open profileRuns a global network and an AI Gateway that routes and caches AI calls for apps, and bought Replicate in Dec 2025.
Open profileHosts web apps and runs AI Gateway, one endpoint for many model providers with no token markup.
About $340M run-rate (Apr 2026, reported)
Open profileAI gateway with monitoring, guardrails and cost controls, sitting between a company's apps and its models.
No figure found
Open profileOpen-source logging and gateway for AI calls. Now part of Mintlify and in maintenance mode.
Last disclosed raise of $1.5M (Apr 2023, per CB Insights). Acquisition price not disclosed
Open profileFree open-source gateway that gives one code interface to many model providers, with a paid enterprise tier.
Seed round co-led by Y Combinator (reported)
Open profileModel router that picks the best model for each request to balance answer quality against cost.
$9M seed led by NEA (Nov 2023). No 2026 funding found
Open profileSources: taiwannews.com.tw, neuronfeed.com
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