L

LightOn

ALTAI

Foundation Models

French AI company selling enterprise document retrieval: parsing, extraction and search behind a single API.

Total funding—

Market cap$29.6M

Employees40

Founded2016

HeadquartersParis, France

StatusPublic

Products

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

• LightOn API API service Sold on its own

  Retrieval API with parse, extract and retrieve endpoints for building document-grounded applications.

• LightOn Enterprise Application

  Chat interface deployed inside an organisation that answers from its own documents, hosted in the EU.

Closest alternatives 4

OOpenAIPrivate · $852B3 of 5 capabilitiesShared product typeLarger scaleNamed in filingDraft and edit written contentCompareCCoherePrivate · $7B4 of 5 capabilitiesShared product typeLarger scaleNamed in filingSearch our internal documentsCompareMAMistral AIPrivate · $13.8B3 of 5 capabilitiesShared product typeLarger scaleNamed in filingDraft and edit written contentCompareAAnthropicPrivate · $965B4 of 5 capabilitiesShared product typeLarger scaleNamed in filingSearch our internal documentsCompare

Similar products 84

How this list is ranked ↗

TTencentPublic · $510.1BLightOn Enterprise and ima.copilot both serve buyers who need to draft and edit written content; larger scale (public).5 of 5 capabilitiesShared product typeLarger scaleCompareZZ.ai (Zhipu AI)Public · $58.6BLightOn Enterprise and AMiner do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareDDeepSeekPrivate · $50BLightOn Enterprise and DeepSeek do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareCAContextual AIPrivate · $100M raisedLightOn API and Contextual AI RAG Component APIs do comparable work on document extraction and vector search; similar scale (private).3 of 5 capabilitiesShared product typeCompareMAMoonshot AIPrivate · $35BLightOn Enterprise and Kimi do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private).3 of 5 capabilitiesShared product typeLarger scaleCompareXxAIAcquired ($230B deal)LightOn Enterprise and Grok do comparable work on summarization; both also serve buyers who need to draft and edit written content; xAI is acquired, with no independent scale.2 of 5 capabilitiesShared product typeCompareBBaiduPublic · $31.6BLightOn Enterprise and Baidu Wenxin Assistant do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareTBThe Browser CompanyPrivateLightOn Enterprise and Dia do comparable work on summarization; both also serve buyers who need to draft and edit written content; The Browser Company's scale not recorded.3 of 5 capabilitiesShared product typeCompareAAlibabaPublic · $273.4BLightOn Enterprise and Qwen do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareAAlphabet (Google)Public · $4.2TLightOn Enterprise and Gemini Notebook do comparable work on summarization; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareSASarvam AIPrivate · $275M raisedLightOn API and Sarvam Document Digitisation do comparable work on document extraction; similar scale (private).2 of 5 capabilitiesShared product typeCompareAAAleph AlphaPrivate · $500M raisedLightOn API and PhariaAI do comparable work on document extraction; similar scale (private); ships model API and platform rather than the same layer.4 of 5 capabilitiesDifferent layerCompareALAI21 LabsPrivate · $1.4BLightOn API and AI21 Maestro do comparable work on document extraction; larger scale (private).3 of 5 capabilitiesShared product typeLarger scaleCompareCCluelyPrivate · $15M raisedLightOn Enterprise and Cluely do comparable work on summarization; both also serve buyers who need to draft and edit written content; similar scale (private).2 of 5 capabilitiesShared product typeCompareMMicrosoftPublic · $3.7TLightOn API and Azure AI Search do comparable work on document extraction and vector search; larger scale (public).5 of 5 capabilitiesShared product typeLarger scaleCompareQQdrantPrivateLightOn API and Qdrant Cloud Inference do comparable work on vector search; Qdrant's scale not recorded.2 of 5 capabilitiesShared product typeCompareNNotionPrivate · $11BLightOn Enterprise and Notion AI do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private).3 of 5 capabilitiesShared product typeLarger scaleCompareIMInsilico MedicinePublic · $4.3BLightOn Enterprise and Science42: DORA do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareSSnowflakePublic · $116BLightOn API and Cortex Search do comparable work on vector search; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareUUpstagePrivate · $958.8MLightOn API and Document Parse do comparable work on document extraction; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareZZoomPublic · $28.7BLightOn Enterprise and Zoom Paper do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareLLlamaIndexPrivateLightOn API and LlamaParse do comparable work on document extraction; LlamaIndex's scale not recorded.3 of 5 capabilitiesShared product typeCompareKKakaoPublic · $16BLightOn Enterprise and Kanana in KakaoTalk do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompareSSuperhumanPrivateLightOn Enterprise and Grammarly do comparable work on summarization; both also serve buyers who need to draft and edit written content; Superhuman's scale not recorded.2 of 5 capabilitiesShared product typeCompareDDatabricksPrivate · $190BLightOn API and Databricks AI Search do comparable work on vector search; larger scale (private).3 of 5 capabilitiesShared product typeLarger scaleCompareAAdobePublic · $115.9BLightOn Enterprise and Acrobat AI Assistant do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareVVectaraPrivateLightOn API and Vectara RAG-as-a-service platform do comparable work on vector search; Vectara's scale not recorded.2 of 5 capabilitiesShared product typeCompareTTwilioPublic · $36.5BLightOn API and Enterprise Knowledge do comparable work on vector search; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareCCanvaPrivate · $42BLightOn Enterprise and Magic Write do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareHHubSpotPublic · $13BLightOn Enterprise and Breeze Assistant do comparable work on summarization; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareGGranolaPrivate · $1.5BLightOn Enterprise and Granola Chat do comparable work on summarization; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareMLMintplex LabsPrivateLightOn API and AnythingLLM Cloud do comparable work on document extraction; Mintplex Labs's scale not recorded.2 of 5 capabilitiesShared product typeCompareCClickUpPrivate · $4BLightOn Enterprise and Brain² do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private); ships agent platform rather than the same layer.3 of 5 capabilitiesDifferent layerLarger scaleCompareDDocusignPublic · $12.7BLightOn Enterprise and Docusign AI-Assisted Review do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareRRedisPrivateLightOn API and Redis Query Engine do comparable work on vector search; Redis's scale not recorded.1 of 5 capabilitiesShared product typeCompareZZendeskPrivate · $10.2BLightOn API and Zendesk Knowledge do comparable work on document extraction; larger scale (private).4 of 5 capabilitiesShared product typeLarger scaleCompareCConsensusPrivate · $45M raisedLightOn Enterprise and Consensus do comparable work on summarization; similar scale (private).2 of 5 capabilitiesShared product typeCompareAApplePublic · $4.6TLightOn Enterprise and Siri AI both serve buyers who need to draft and edit written content; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompareNANomic AIPrivateLightOn API and Nomic Agent API do comparable work on document extraction; Nomic AI's scale not recorded.2 of 5 capabilitiesShared product typeCompareZZapierPrivate · $5BLightOn Enterprise and Zapier Chatbots both serve buyers who need to draft and edit written content; larger scale (private).4 of 5 capabilitiesShared product typeLarger scaleCompareIAInflection AIPrivate · $1.5B raisedLightOn Enterprise and Pi both serve buyers who need to draft and edit written content; similar scale (private).1 of 5 capabilitiesShared product typeCompareLLegoraPrivate · $5.6BLightOn API and Legora do comparable work on document extraction; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareNCNAVER CloudPrivateLightOn Enterprise and CLOVA Studio do comparable work on summarization; both also serve buyers who need to draft and edit written content; NAVER Cloud's scale not recorded.4 of 5 capabilitiesShared product typeCompareEElasticPublic · $10.2BLightOn API and Elastic Agent Builder do comparable work on vector search; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompare44ParadigmPublic · $2BLightOn Enterprise and 4Paradigm SageGPT both serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareDDropboxPublic · $7.8BLightOn Enterprise and Dropbox Dash do comparable work on summarization; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareHHarveyPrivate · $11BLightOn API and Harvey Vault do comparable work on document extraction; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareWFWispr FlowPrivate · $2BLightOn Enterprise and Wispr Flow Dictation both serve buyers who need to draft and edit written content; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareBBoxPublic · $4.8BLightOn API and Box AI do comparable work on document extraction; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareWWriterPrivate · $1.9BLightOn API and WRITER Knowledge Graph do comparable work on document extraction; larger scale (private).3 of 5 capabilitiesShared product typeLarger scaleCompareSSlackPrivateLightOn Enterprise and Slackbot do comparable work on summarization; Slack's scale not recorded.3 of 5 capabilitiesShared product typeCompareFFreshworksPublic · $3.4BLightOn Enterprise and Freddy AI Copilot do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareIInception42PrivateLightOn Enterprise and InceptionClaw both serve buyers who need to draft and edit written content; Inception42's scale not recorded.2 of 5 capabilitiesShared product typeCompareDDXPrivateLightOn Enterprise and DX AI do comparable work on summarization; DX's scale not recorded.2 of 5 capabilitiesShared product typeComparePPerplexityPrivate · $20.4BLightOn Enterprise and Perplexity do comparable work on summarization; both also serve buyers who need to draft and edit written content; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareOOraclePublic · $454.4BLightOn API and Oracle Autonomous AI Database do comparable work on vector search; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareAAmazonPublic · $2.8TLightOn API and Amazon Kendra do comparable work on vector search; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareSASakana AIPrivate · $2.7BLightOn Enterprise and Sakana Chat both serve buyers who need to draft and edit written content; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareIIBMPublic · $216.6BLightOn API and IBM Watson Natural Language Understanding do comparable work on document extraction; larger scale (public).4 of 5 capabilitiesShared product typeLarger scaleCompareSServiceNowPublic · $130.1BLightOn API and ServiceNow Document Intelligence do comparable work on document extraction; larger scale (public).3 of 5 capabilitiesShared product typeLarger scaleCompareYYandexPublicLightOn API and Yandex Vision OCR do comparable work on document extraction; Yandex's scale not recorded.3 of 5 capabilitiesShared product typeCompareSSenseTimePublic · $7.7BLightOn Enterprise and Office Raccoon (RaccoonWork) both serve buyers who need to draft and edit written content; larger scale (public).1 of 5 capabilitiesShared product typeLarger scaleCompareUUniphorePrivate · $2.5BLightOn Enterprise and Real-time Guidance Agent do comparable work on summarization; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareLLuminancePrivate · $400MLightOn API and Luminance AI Contract Review do comparable work on document extraction; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareNNiCEPublic · $6.5BLightOn Enterprise and Copilot for Agents do comparable work on summarization; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompareEEliseAIPrivate · $384M raisedLightOn API and Lease Audits do comparable work on document extraction; similar scale (private).1 of 5 capabilitiesShared product typeCompareHHebbiaPrivate · $700MLightOn API and Hebbia Matrix do comparable work on document extraction; larger scale (private); ships AI agent and agent platform rather than the same layer.2 of 5 capabilitiesDifferent layerLarger scaleCompareRRogoPrivate · $300M raisedLightOn API and Rogo do comparable work on document extraction; similar scale (private); ships AI agent and platform rather than the same layer.2 of 5 capabilitiesDifferent layerCompareAAsanaPublic · $2.1BLightOn Enterprise and Dash do comparable work on summarization; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompareSSmartsheetPrivate · $8.4BLightOn Enterprise and Smartsheet AI do comparable work on summarization; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareGGenesysPrivateLightOn Enterprise and Genesys Cloud Copilot do comparable work on summarization; larger scale (private).3 of 5 capabilitiesShared product typeCompareEEvenUpPrivate · $2BLightOn Enterprise and EvenUp AI Drafts both serve buyers who need to draft and edit written content; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareSStepFunPrivate · $10BLightOn Enterprise and 阶跃AI (StepFun AI) both serve buyers who need to draft and edit written content; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareEElicitPrivate · $100MLightOn Enterprise and Elicit do comparable work on summarization; larger scale (private); ships AI agent rather than the same layer.3 of 5 capabilitiesDifferent layerLarger scaleCompareKHKakao HealthcarePrivateLightOn Enterprise and PASTA both serve buyers who need to draft and edit written content; Kakao Healthcare's scale not recorded.2 of 5 capabilitiesShared product typeCompareHCHuawei CloudPrivateLightOn API and Image Search do comparable work on vector search; Huawei Cloud's scale not recorded.3 of 5 capabilitiesShared product typeCompareCHCohere HealthPrivate · $200M raisedLightOn API and Cohere Review Assist do comparable work on document extraction; similar scale (private).2 of 5 capabilitiesShared product typeCompareBBaichuanPrivate · $2.8BLightOn Enterprise and Baichuan Open Platform both serve buyers who need to draft and edit written content; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompareWWorkdayPublic · $49.3BLightOn API and Workday Contract Intelligence do comparable work on document extraction; larger scale (public).2 of 5 capabilitiesShared product typeLarger scaleCompareRRingCentralPublic · $2.3BLightOn Enterprise and AI Conversation Expert (ACE) do comparable work on summarization; larger scale (public).1 of 5 capabilitiesShared product typeLarger scaleCompareMPMeta PlatformsPublic · $1.5TLightOn Enterprise and Meta AI both serve buyers who need to draft and edit written content; larger scale (public).1 of 5 capabilitiesShared product typeLarger scaleCompareCCrestaPrivate · $1.6BLightOn Enterprise and Cresta Agent Assist do comparable work on summarization; larger scale (private).2 of 5 capabilitiesShared product typeLarger scaleCompareFFathomAcquiredLightOn Enterprise and Fathom do comparable work on summarization; Fathom is acquired, with no independent scale.1 of 5 capabilitiesShared product typeCompareDDecagonPrivate · $4.5BLightOn Enterprise and Suggestions do comparable work on summarization; larger scale (private).1 of 5 capabilitiesShared product typeLarger scaleCompare

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

Market cap

Third-party database · 28 Aug 2026

LightOn listed on Euronext Growth Paris (ticker ALTAI) on 2024-11-26. Market cap EUR 25.40M, converted at 0.85858 EUR/USD (1 EUR = 1.1647 USD, read 2026-08-28).

Employees

Company disclosure · 27 Aug 2026

"an international team of 40" on LightOn's own about page, read 2026-08-27. A "+" figure is recorded as its floor. The page carries no date, so this as_of is the day it was read, not the figure's effective date.

Founded

Wikipedia · 27 Aug 2026

Wikipedia infobox "founded" field, read 2026-08-27.

Description

Official documentation · 6 Sep 2026

Hero is "Production RAG without the 9-month build" over three endpoints — /parse, /extract, /search — plus LightOnOCR-2. Retrieval is the product; models are what it runs on.

Open LightOn in the directory

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