Skip to content
JAVISAI SOFTWARE INTELLIGENCE
‹ Back to Mem0

Alternatives to Mem0

Choose by the reason you want to switch.

Not sure which alternative is right?

Pick up to 3 and compare them on the fields our reviews verify.

Compare with Mem0 →

Best Open Source Alternatives

Reviewed tools whose core is open source.

ToolWhy switch?PriceJAVIS ScoreKey capabilitiesEvidenceCompare

Qdrant

AI Data & Retrieval AI Data & Retrieval · Usage-based

Qdrant kept doing the boring thing well, and used the money it raised to expand where that engine can run.

Usage-basedvs. $19/month
89
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

LlamaIndex

AI Data & Retrieval AI Data & Retrieval · $50/mo

LlamaIndex didn't stay the librarian for your RAG stack. It became a document-parsing vendor with a free framework attached.

$50/movs. $19/month
87
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Weaviate

AI Data & Retrieval AI Data & Retrieval · $45/mo

Weaviate kept its promise on the license. It quietly built the plumbing to change that later.

$45/movs. $19/month
87
Build RAG and search over your dataBuild AI agents
Sources checkedUpdated Oct 5, 2026

Chroma

AI Data & Retrieval AI Data & Retrieval · $250/mo + usage

Chroma still wins the first hour. Whether it wins the first year depends on a question most people haven't asked yet: is it patched?

$250/mo + usagevs. $19/month
78
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Alternatives With a Free Plan

Each one has a free tier or a free open-source core, per its review.

ToolWhy switch?PriceJAVIS ScoreKey capabilitiesEvidenceCompare

Qdrant

AI Data & Retrieval AI Data & Retrieval · Usage-based

Qdrant kept doing the boring thing well, and used the money it raised to expand where that engine can run.

Usage-basedvs. $19/month
89
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Hugging Face Hub

AI Data & Retrieval AI Data & Retrieval · $9/mo

Hugging Face spent a decade becoming the default home for open AI. Now it's about to become part of the world's most valuable chipmaker.

$9/movs. $19/month
88
Run open AI models locally
Sources checkedUpdated Oct 5, 2026

LlamaIndex

AI Data & Retrieval AI Data & Retrieval · $50/mo

LlamaIndex didn't stay the librarian for your RAG stack. It became a document-parsing vendor with a free framework attached.

$50/movs. $19/month
87
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Weaviate

AI Data & Retrieval AI Data & Retrieval · $45/mo

Weaviate kept its promise on the license. It quietly built the plumbing to change that later.

$45/movs. $19/month
87
Build RAG and search over your dataBuild AI agents
Sources checkedUpdated Oct 5, 2026

Pinecone

AI Data & Retrieval AI Data & Retrieval · $20/mo

Pinecone spent 2025 answering "who's driving this thing," and 2026 answering "why does this still need to exist."

$20/movs. $19/month
80
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Chroma

AI Data & Retrieval AI Data & Retrieval · $250/mo + usage

Chroma still wins the first hour. Whether it wins the first year depends on a question most people haven't asked yet: is it patched?

$250/mo + usagevs. $19/month
78
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Langfuse

AI Data & Retrieval AI Data & Retrieval · $29/month

Open-source LLM tracing and evals that is far cheaper than per-trace rivals (Core $29 a month, unlimited users), now owned by ClickHouse, with a forced v4 cutover on Langfuse Cloud on Nov 16 2026 and retention rules only from Pro.

$29/monthvs. $19/month
76
—
Sources checkedUpdated Oct 28, 2026

Firecrawl

AI Data & Retrieval AI Data & Retrieval · $16/month

An open-source web data API with a free tier and plans from $16 to $599 a month, but JSON extraction costs 5 credits a page, extra credits cost about 3 times the plan rate and independent ratings are thin.

$16/monthvs. $19/month
74
—
Sources checkedUpdated Oct 16, 2026

Braintrust

AI Data & Retrieval AI Data & Retrieval · $249/month

The most complete eval and experiment workflow in its class, billed by gigabytes and scores (Starter free, Pro $249 a month); Starter with a card is often cheaper than Pro, stored provider keys were potentially exposed in a May 2026 incident (Braintrust says the attacker used only Anthropic keys), and BYOC, self-hosting, SAML and the BAA need Enterprise.

$249/monthvs. $19/month
72
—
Sources checkedUpdated Oct 28, 2026

RAGFlow

AI Data & Retrieval AI Data & Retrieval · $29/month

Strong open-source RAG engine for hard documents with a cheap $29 cloud plan, but 1.0 is still a release candidate, defaults are weak and the cloud terms are unfinished.

$29/monthvs. $19/month
63
—
Sources checkedUpdated Oct 20, 2026

Higher JAVIS Score

Alternatives our reviews score above 67/100.

ToolWhy switch?PriceJAVIS ScoreKey capabilitiesEvidenceCompare

Qdrant

AI Data & Retrieval AI Data & Retrieval · Usage-based

JAVIS Score 89 vs 67. Qdrant kept doing the boring thing well, and used the money it raised to expand where that engine can run.

Usage-basedvs. $19/month
89
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Hugging Face Hub

AI Data & Retrieval AI Data & Retrieval · $9/mo

JAVIS Score 88 vs 67. Hugging Face spent a decade becoming the default home for open AI. Now it's about to become part of the world's most valuable chipmaker.

$9/movs. $19/month
88
Run open AI models locally
Sources checkedUpdated Oct 5, 2026

LlamaIndex

AI Data & Retrieval AI Data & Retrieval · $50/mo

JAVIS Score 87 vs 67. LlamaIndex didn't stay the librarian for your RAG stack. It became a document-parsing vendor with a free framework attached.

$50/movs. $19/month
87
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Weaviate

AI Data & Retrieval AI Data & Retrieval · $45/mo

JAVIS Score 87 vs 67. Weaviate kept its promise on the license. It quietly built the plumbing to change that later.

$45/movs. $19/month
87
Build RAG and search over your dataBuild AI agents
Sources checkedUpdated Oct 5, 2026

Pinecone

AI Data & Retrieval AI Data & Retrieval · $20/mo

JAVIS Score 80 vs 67. Pinecone spent 2025 answering "who's driving this thing," and 2026 answering "why does this still need to exist."

$20/movs. $19/month
80
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Chroma

AI Data & Retrieval AI Data & Retrieval · $250/mo + usage

JAVIS Score 78 vs 67. Chroma still wins the first hour. Whether it wins the first year depends on a question most people haven't asked yet: is it patched?

$250/mo + usagevs. $19/month
78
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Langfuse

AI Data & Retrieval AI Data & Retrieval · $29/month

JAVIS Score 76 vs 67. Open-source LLM tracing and evals that is far cheaper than per-trace rivals (Core $29 a month, unlimited users), now owned by ClickHouse, with a forced v4 cutover on Langfuse Cloud on Nov 16 2026 and retention rules only from Pro.

$29/monthvs. $19/month
76
—
Sources checkedUpdated Oct 28, 2026

OpenRouter

AI Data & Retrieval AI Data & Retrieval · Free; 5.5% credit fee

JAVIS Score 75 vs 67. Easiest way to reach 500+ models with one key at provider list prices plus a 5.5% fee on credit purchases (8% Business); the Stripe deal is pending, its terms allow free assignment and ZDR has caveats.

Free; 5.5% credit feevs. $19/month
75
—
Sources checkedUpdated Oct 28, 2026

Firecrawl

AI Data & Retrieval AI Data & Retrieval · $16/month

JAVIS Score 74 vs 67. An open-source web data API with a free tier and plans from $16 to $599 a month, but JSON extraction costs 5 credits a page, extra credits cost about 3 times the plan rate and independent ratings are thin.

$16/monthvs. $19/month
74
—
Sources checkedUpdated Oct 16, 2026

Braintrust

AI Data & Retrieval AI Data & Retrieval · $249/month

JAVIS Score 72 vs 67. The most complete eval and experiment workflow in its class, billed by gigabytes and scores (Starter free, Pro $249 a month); Starter with a card is often cheaper than Pro, stored provider keys were potentially exposed in a May 2026 incident (Braintrust says the attacker used only Anthropic keys), and BYOC, self-hosting, SAML and the BAA need Enterprise.

$249/monthvs. $19/month
72
—
Sources checkedUpdated Oct 28, 2026

Haystack (deepset)

AI Data & Retrieval AI Data & Retrieval · Free (open source); Enterprise Platform custom

JAVIS Score 69 vs 67. Free Apache-2.0 Python framework for explicit RAG and agent pipelines; the paid Haystack Enterprise Platform is quote-only and the library removes deprecated features within about a month.

Free (open source); Enterprise Platform customvs. $19/month
69
—
Sources checkedUpdated Oct 28, 2026

Same Category

Other reviewed tools in AI Data & Retrieval.

ToolWhy switch?PriceJAVIS ScoreKey capabilitiesEvidenceCompare

Qdrant

AI Data & Retrieval AI Data & Retrieval · Usage-based

Qdrant kept doing the boring thing well, and used the money it raised to expand where that engine can run.

Usage-basedvs. $19/month
89
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Hugging Face Hub

AI Data & Retrieval AI Data & Retrieval · $9/mo

Hugging Face spent a decade becoming the default home for open AI. Now it's about to become part of the world's most valuable chipmaker.

$9/movs. $19/month
88
Run open AI models locally
Sources checkedUpdated Oct 5, 2026

LlamaIndex

AI Data & Retrieval AI Data & Retrieval · $50/mo

LlamaIndex didn't stay the librarian for your RAG stack. It became a document-parsing vendor with a free framework attached.

$50/movs. $19/month
87
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Weaviate

AI Data & Retrieval AI Data & Retrieval · $45/mo

Weaviate kept its promise on the license. It quietly built the plumbing to change that later.

$45/movs. $19/month
87
Build RAG and search over your dataBuild AI agents
Sources checkedUpdated Oct 5, 2026

Pinecone

AI Data & Retrieval AI Data & Retrieval · $20/mo

Pinecone spent 2025 answering "who's driving this thing," and 2026 answering "why does this still need to exist."

$20/movs. $19/month
80
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Chroma

AI Data & Retrieval AI Data & Retrieval · $250/mo + usage

Chroma still wins the first hour. Whether it wins the first year depends on a question most people haven't asked yet: is it patched?

$250/mo + usagevs. $19/month
78
Build RAG and search over your data
Sources checkedUpdated Oct 5, 2026

Langfuse

AI Data & Retrieval AI Data & Retrieval · $29/month

Open-source LLM tracing and evals that is far cheaper than per-trace rivals (Core $29 a month, unlimited users), now owned by ClickHouse, with a forced v4 cutover on Langfuse Cloud on Nov 16 2026 and retention rules only from Pro.

$29/monthvs. $19/month
76
—
Sources checkedUpdated Oct 28, 2026

OpenRouter

AI Data & Retrieval AI Data & Retrieval · Free; 5.5% credit fee

Easiest way to reach 500+ models with one key at provider list prices plus a 5.5% fee on credit purchases (8% Business); the Stripe deal is pending, its terms allow free assignment and ZDR has caveats.

Free; 5.5% credit feevs. $19/month
75
—
Sources checkedUpdated Oct 28, 2026

Firecrawl

AI Data & Retrieval AI Data & Retrieval · $16/month

An open-source web data API with a free tier and plans from $16 to $599 a month, but JSON extraction costs 5 credits a page, extra credits cost about 3 times the plan rate and independent ratings are thin.

$16/monthvs. $19/month
74
—
Sources checkedUpdated Oct 16, 2026

Braintrust

AI Data & Retrieval AI Data & Retrieval · $249/month

The most complete eval and experiment workflow in its class, billed by gigabytes and scores (Starter free, Pro $249 a month); Starter with a card is often cheaper than Pro, stored provider keys were potentially exposed in a May 2026 incident (Braintrust says the attacker used only Anthropic keys), and BYOC, self-hosting, SAML and the BAA need Enterprise.

$249/monthvs. $19/month
72
—
Sources checkedUpdated Oct 28, 2026

Haystack (deepset)

AI Data & Retrieval AI Data & Retrieval · Free (open source); Enterprise Platform custom

Free Apache-2.0 Python framework for explicit RAG and agent pipelines; the paid Haystack Enterprise Platform is quote-only and the library removes deprecated features within about a month.

Free (open source); Enterprise Platform customvs. $19/month
69
—
Sources checkedUpdated Oct 28, 2026

RAGFlow

AI Data & Retrieval AI Data & Retrieval · $29/month

Strong open-source RAG engine for hard documents with a cheap $29 cloud plan, but 1.0 is still a release candidate, defaults are weak and the cloud terms are unfinished.

$29/monthvs. $19/month
63
—
Sources checkedUpdated Oct 20, 2026