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AI data stack

The data layer under AI products: where embeddings live, how models are served and watched, and what feeds them.

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Free RAG plan; confirm paid rates

Vectorize

Managed RAG

Managed RAG platform for document ingestion, extraction, embeddings, vector-index synchronization and retrieval, with built-in or external vector database options.

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Published plans; availability unconfirmed

Ragie

Managed RAG

Documented managed RAG platform. Ragie announced joining Ticketmaster on July 27, 2026; continued independent service availability is unconfirmed.

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SaaS from $100K/year

Vectara

Managed RAG

Managed retrieval-augmented generation platform with document indexing, hybrid search, reranking, cited answers and factual-consistency evaluation.

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Confident AI (DeepEval)

Evals

LLM evaluation and observability platform built on open-source DeepEval: 50+ metrics for tests, CI and live production traces.

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Free tier; paid from $19/month plus overage

Apify

Web ingestion

Cloud web scraping and automation platform with reusable Actors, crawl controls, datasets, scheduled runs and API/MCP access.

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Free; paid from $19/month

Firecrawl

Web ingestion

Web ingestion API for turning websites into Markdown or structured data, with crawling, search, browser interaction, and a self-hostable open-source core.

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Local software plus infrastructure; hosted usage-based, Team $400/month

Marker (Datalab)

Document parsing

Local document conversion to Markdown, HTML, JSON, and chunks, with Apache-licensed code and separately restricted model weights. Datalab offers a distinct Chandra-based hosted service.

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Credits; hosted service retiring

Chunkr

Document parsing

Document parsing and schema extraction with layout coordinates and citations. Hosted API shuts November 15, 2026; separate open-source version remains available.

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Usage-based; Growth and Enterprise by quote

Reducto

Document parsing

Document parsing and structured extraction APIs with Studio configuration, source citations, and deployment options for engineering teams.

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Free; Pro Cloud from $19/month

Opik (Comet)

Observability

Open-source LLM observability and evaluation from Comet, with agent tracing, datasets, online scoring, prompt versioning, and optimization.

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From $20/user/mo

Lunary

Observability

LLM observability platform linking agent traces, chatbot conversations, feedback, prompt templates, and evaluation workflows.

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Free tier; Production from $49/month

Portkey

Gateway

AI gateway with provider routing, fallbacks, request logs, guardrails, and prompt management. Now branded Prisma AIRS AI Gateway.

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