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Head-to-head · Retrieval-Augmented Generation Tools

LangChain vs Progress Agentic RAG

Updated Oct 2026
Both researched from official sources
4 checks side by side

Higher score LangChain #3 in Retrieval-Augmented Generation Tools 9.1/10 Free plan Free plan✓ 2 of 4 features Visit LangChain

Progress Agentic RAG #5 in Retrieval-Augmented Generation Tools 8.6/10 14-day trial Free trial✓ 3 of 4 features Visit Progress

LangChain leads on 1 check, Progress Agentic RAG on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

Highest scoreLangChain · 9.1/10
Free planonly LangChain
Free trialonly Progress Agentic RAG
Most featuresProgress Agentic RAG · 3 of 4

LangChain scores higher on our rubric for retrieval-augmented generation tools: 9.1 against 8.6 out of 10; our editors rank them #3 and #5.

LangChain offers free plan; Progress Agentic RAG doesn't. On deployment, Progress Agentic RAG gives you Both where LangChain offers Self_hosted.

LangChain is the better fit for programmable RAG and agent applications. Progress Agentic RAG is the better fit for large organizations needing RAG evaluation.

LangChain fits best
Programmable RAG and agent applications
Progress Agentic RAG fits best
Large organizations needing RAG evaluation

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Side by side

Show only differences

Feature	LangChain 9.1/10 Visit ↗	Progress Agentic RAG 8.6/10 Visit ↗
At a glance
Editor score	9.1	8.6
Ranking	#3 in Retrieval-Augmented Generation Tools	#5 in Retrieval-Augmented Generation Tools
Best for	Programmable RAG and agent applications	Large organizations needing RAG evaluation
Pricing model	Free	Paid
Starting price	Free plan	$700/mo
Free plan	✓ (best)	—
Free trial	—	14 days
Deployment	Self-hosted	Cloud, Self-hosted
Support	Community, Docs	Community, Tickets, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features LangChain 2/4 · Progress Agentic RAG 3/4
Source citations	✓	✓
Hybrid search	✓	✓
Result reranking	Not checked yet	Not checked yet
RAG workflow builder	Not checked yet	✓ (best)
Specs
Source connectors	Not checked yet	Not checked yet
Deployment	Self_hosted	Both
Maximum file size	Not checked yet	750 MB
Our review
Pros	Covers loading, splitting, embeddings, storage, retrieval, and cited answers Connects models, tools, databases, and data sources across major providers Supports durable workflows, checkpoints, approvals, and context management	Ingests documents and multimedia across 30+ file formats Combines semantic and keyword search with source citations Includes RAG metrics for relevance, groundedness, and context quality
Cons	Requires developers to assemble and operate the application stack Self-hosted deployment places infrastructure responsibilities on the team LangChain itself does not provide LangSmith's tracing and deployment workflows	Starts at $700 per month with no free plan Starter includes one knowledge box and 10,000 tokens monthly Advanced capabilities are reserved for higher-priced plans
Our verdict	LangChain is an open-source framework for developers building LLM applications, retrieval-augmented generation systems, and agents. It is suited to teams that want application-code control over document processing, retrieval, model calls,… Read the review →	Progress Agentic RAG is a retrieval-augmented generation platform for organizations building enterprise search, AI assistants, customer-support automation, document Q&A, and applications over private data. It is aimed at startups, small… Read the review →

LangChainRetrieval-Augmented Generation Tools 9.1Free plan
Progress Agentic RAGRetrieval-Augmented Generation Tools 8.614-day trial

Compare the top tools in

Strengths and trade-offs

LangChain — where it wins
- Covers loading, splitting, embeddings, storage, retrieval, and cited answers
- Connects models, tools, databases, and data sources across major providers
- Supports durable workflows, checkpoints, approvals, and context management
Where it doesn't
- Requires developers to assemble and operate the application stack
- Self-hosted deployment places infrastructure responsibilities on the team
- LangChain itself does not provide LangSmith's tracing and deployment workflows
Progress Agentic RAG — where it wins
- Ingests documents and multimedia across 30+ file formats
- Combines semantic and keyword search with source citations
- Includes RAG metrics for relevance, groundedness, and context quality
Where it doesn't
- Starts at $700 per month with no free plan
- Starter includes one knowledge box and 10,000 tokens monthly
- Advanced capabilities are reserved for higher-priced plans

LangChain9.1/10 · Free plan
A flexible foundation for developers building programmable RAG and agent applications.
Visit LangChain Full verdict →
Progress Agentic RAG8.6/10 · 14-day trial
A feature-rich enterprise RAG platform with evaluation tools, citations, and a $700 monthly starting price.
Visit Progress Full verdict →

More comparisons

All Retrieval-Augmented generation tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated 7 Oct 2026 · How we research and update