ND

Not Diamond

Not Diamond sells model-routing and prompt-optimization tools to developers and engineering teams building AI applications and coding agents.

StageUndisclosed

Founded—

HeadquartersSan Francisco, USA

StatusPrivate

Products

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

• Not Diamond API service Sold on its own

  Not Diamond selects language models for incoming queries and lets developers train custom routers on their own data.

• Not Diamond Code Developer tool Sold on its own Beta

  Model router for coding agents: a local proxy that picks the model and reasoning effort for each step of a Claude Code session, in the terminal or in IDE extensions, to cut inference cost at frontier quality, with a dashboard of usage and savings.

Similar products 75

No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.

How this list is ranked ↗

FAFireworks AILate-stageNot Diamond and Fireworks AI both list model training; both also serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareTTThe Token CompanyUndisclosedNot Diamond Code and The Token Company LLM input compression both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareBBasetenLate-stageNot Diamond and Baseten both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareHFHugging FaceLate-stageNot Diamond and Inference Providers both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareCCCactus ComputeUndisclosedNot Diamond and Cactus Platform both list model training; scale not recorded for either; ships infrastructure service and platform rather than the same layer.2 of 2 capabilitiesDifferent layerCompareVEVolcano EngineUndisclosedNot Diamond and Machine Learning Platform (机器学习平台) both list model training; scale not recorded for either; ships AI agent, agent platform and 4 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareEAEden AIEarly-stageNot Diamond and Eden AI both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareUUnslothUndisclosedNot Diamond and Unsloth both list model training; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareTATogether AILate-stageNot Diamond and Together Fine-Tuning both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareHCHuawei CloudUndisclosedNot Diamond and Huawei HiLens both list model training; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareTTrimioUndisclosedNot Diamond and Trimio both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareCCrusoeLate-stageNot Diamond and Serverless Fine-Tuning both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareDDatabricksLate-stageNot Diamond and Databricks Model Training both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareKEKakao EnterpriseUndisclosedNot Diamond and Kubeflow both list model training; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareNGNebius GroupPublicNot Diamond and Nebius Token Factory both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareNCNAVER CloudUndisclosedNot Diamond and AiTEMS both list model training; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareCMComet MLEarly-stageNot Diamond and Comet Experiment Tracking both list model training; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareRRespanEarly-stageNot Diamond and Respan AI Gateway both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareLLiteLLMEarly-stageNot Diamond Code and Auto Router both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either; ships AI agent, application and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareCCoreWeavePublicNot Diamond and CoreWeave Kubernetes Service both list model training; Not Diamond's scale not recorded; ships AI agent, infrastructure service and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareVVast.aiUndisclosedNot Diamond and Vast.ai GPU Cloud both list model training; scale not recorded for either; ships infrastructure service rather than the same layer.2 of 2 capabilitiesDifferent layerCompareLLambdaLate-stageNot Diamond and Lambda Inference both serve buyers who need to build on a hosted model API; scale not recorded for either; ships infrastructure service and model API rather than the same layer.2 of 2 capabilitiesDifferent layerCompareLLabelboxLate-stageNot Diamond and Recursion both list model training; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareLLangWatchUndisclosedNot Diamond Code and LangWatch AI Gateway both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareMModalLate-stageNot Diamond and Modal Notebooks both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareRRequestyEarly-stageNot Diamond and Requesty AI Gateway both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareALAI21 LabsLate-stageNot Diamond and AI21 Intelligent Gateway both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareBBrowserbaseEarly-stageNot Diamond and Browserbase Model Gateway both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.1 of 2 capabilitiesShared product typeCompareBBaiduPublicNot Diamond and PaddlePaddle both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareSSplunkAcquiredNot Diamond and Splunk AI Toolkit both list model training; Not Diamond's scale not recorded; Splunk is acquired, with no independent scale.1 of 2 capabilitiesShared product typeCompareTTolokaUndisclosedNot Diamond and Toloka Train both list model training; scale not recorded for either; ships AI agent, data service and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareTTuringLate-stageNot Diamond and RL environments both list model training; Not Diamond's scale not recorded; ships agent platform and data service rather than the same layer.1 of 2 capabilitiesDifferent layerCompareLALiquid AIUndisclosedNot Diamond and LEAP both list model training; scale not recorded for either; ships application and platform rather than the same layer.2 of 2 capabilitiesDifferent layerCompareAAssemblyAILate-stageNot Diamond and AssemblyAI LLM Gateway both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareCCore42UndisclosedNot Diamond and Core42 Compass both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareTMThinking Machines LabLate-stageNot Diamond and Tinker both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareRRedisUndisclosedNot Diamond and Redis LangCache both serve buyers who need to build on a hosted model API; scale not recorded for either.Shared product typeCompareOOraclePublicNot Diamond and Generative AI Capabilities both list model training; both also serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareAAppenPublicNot Diamond and AI Data Platform both list model training; scale not recorded for either; ships data service and platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareMMicrosoftPublicNot Diamond and Azure Machine Learning both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareNRNous ResearchEarly-stageNot Diamond and Nous Portal both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareAAlibabaPublicNot Diamond and Alibaba Cloud Model Studio both list model training; both also serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareSMSuper Micro ComputerPublicNot Diamond and SuperCloud Developer Console (SDX) both list model training; Not Diamond's scale not recorded; Super Micro Computer's scale not comparable: only a revenue estimate, no market cap or valuation; ships hardware and infrastructure service rather than the same layer.2 of 2 capabilitiesDifferent layerCompareOOpenRouterLate-stageNot Diamond and OpenRouter both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.1 of 2 capabilitiesShared product typeCompareMMastraEarly-stageNot Diamond and Mastra Gateway both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareLLangChainLate-stageNot Diamond Code and LangSmith LLM Gateway both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either.Shared product typeCompareYYandexPublicNot Diamond and Yandex Translate both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareAAlphabet (Google)PublicNot Diamond and AI Hypercomputer both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareASAI SpendOpsUndisclosedNot Diamond Code and AI SpendOps both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either; ships infrastructure service rather than the same layer.Different layerCompareHHeliconeAcquiredNot Diamond and Helicone AI Gateway both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded; Helicone is acquired, with no independent scale.Shared product typeCompareTTrueFoundryEarly-stageNot Diamond and TrueFoundry AI Gateway both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareHHuaweiUndisclosedNot Diamond and MindSpore both list model training; Not Diamond's scale not recorded; Huawei's scale not comparable: only a revenue estimate, no market cap or valuation.2 of 2 capabilitiesShared product typeCompareSSpendlineUndisclosedNot Diamond Code and Spendline both serve buyers who need to track and cut what we spend on AI models; scale not recorded for either; ships platform rather than the same layer.Different layerCompareDDecartLate-stageNot Diamond and Cogito both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareOOllamaEarly-stageNot Diamond and Ollama Cloud both serve buyers who need to build on a hosted model API; scale not recorded for either; ships infrastructure service and model API rather than the same layer.1 of 2 capabilitiesDifferent layerCompareAAmazonPublicNot Diamond and Amazon SageMaker Feature Store both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareHHumainUndisclosedNot Diamond and HUMAIN IQ both serve buyers who need to build on a hosted model API; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareMAMaxim AIUndisclosedNot Diamond and Bifrost both serve buyers who need to build on a hosted model API; scale not recorded for either; ships application, infrastructure service and 1 more rather than the same layer.Different layerCompareDDataikuLate-stageNot Diamond and Dataiku LLM Mesh both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded; ships AI agent, agent platform and 3 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareMModularAcquiredNot Diamond and Modular Cloud both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded; Modular is acquired, with no independent scale.1 of 2 capabilitiesShared product typeCompareKKuaishouPublicNot Diamond and Vanchin both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareTTencentPublicNot Diamond and Tencent Cloud TI Platform both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareKCKilo CodeAcquiredNot Diamond Code and Kilo Gateway both serve buyers who need to track and cut what we spend on AI models; Not Diamond's scale not recorded; Kilo Code is acquired, with no independent scale.1 of 2 capabilitiesShared product typeCompareUUiPathPublicNot Diamond and UiPath AI Center both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareQQuoraEarly-stageNot Diamond and Poe API both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded.1 of 2 capabilitiesShared product typeCompareIIBMPublicNot Diamond and IBM watsonx.ai both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompareOOpenCodeUndisclosedNot Diamond and OpenCode Go both serve buyers who need to build on a hosted model API; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareMAMistral AILate-stageNot Diamond and Mistral Forge both list model training; Not Diamond's scale not recorded.1 of 2 capabilitiesShared product typeCompareEEleutherAINonprofitNot Diamond and GPT-NeoX both list model training; Not Diamond's scale not recorded; EleutherAI is a nonprofit, with no independent scale.1 of 2 capabilitiesShared product typeCompareFFalUndisclosedNot Diamond and fal both serve buyers who need to build on a hosted model API; scale not recorded for either; ships AI agent, infrastructure service and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareBFBlack Forest LabsLate-stageNot Diamond and FLUX API both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded; ships application, infrastructure service and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareEElasticPublicNot Diamond and Elastic Inference Service both serve buyers who need to build on a hosted model API; Not Diamond's scale not recorded; ships agent platform, application and 3 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareFFactoryLate-stageNot Diamond Code and Factory Router both serve buyers who need to track and cut what we spend on AI models; Not Diamond's scale not recorded.1 of 2 capabilitiesShared product typeCompareHHiveLate-stageNot Diamond and Hive AutoML both list model training; Not Diamond's scale not recorded.2 of 2 capabilitiesShared product typeCompare44ParadigmPublicNot Diamond and 4Paradigm Sage AIOS both list model training; Not Diamond's scale not recorded; ships application, hardware and 1 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Total funding

Not found · 14 Oct 2026

Pages read for this record state no funding total.

Valuation

Not found · 14 Oct 2026

Pages read for this record state no valuation or market capitalisation.

Founded

Not found · 14 Oct 2026

Pages read for this record state no founding year.

Public listing

Not found · 14 Oct 2026

No listing on the pages read; treated as private.

Description

Official documentation · 14 Oct 2026

Company page: "Our research-driven products help developers improve agent behavior at scale"

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