Weaviate (free tier) and Pinecone (free tier to $500/mo) offer cheaper entry points than MongoDB Atlas. Switch if you want to avoid Atlas $57/mo dedicated cluster fees.
MongoDB Atlas compared against all 9 vector databases alternatives. Pricing, free plan availability, rating, and vector databases-specific capabilities.
| Tool | Price | Free Plan | Rating |
|---|---|---|---|
 | $57/mo | 4.5G2 | |
 | $20/mo | 4.6G2 | |
 | $45/mo | 4.6G2 | |
 | Custom | No | 4.6G2 |
 | $65/mo | 4.5G2 | |
 | $99/mo | 4.5G2 | |
 | $126/mo | 4.4G2 | |
 | $200/mo | 4.4G2 | |
 | $250/mo | 4.2G2 | |
 | Free | 3.8G2 |
Independently verified metrics. Sources: ANN-Benchmarks, vendor documentation. Verified 2026.
| Tool | QPS @ 1M vecs | P99 Latencyms | Recall@10% | Index Builds/1M |
|---|---|---|---|---|
| Pinecone | 5,000 | 12 | 99% | - |
| Weaviate | 7,000 | 10 | 99.2% | 220 |
| Qdrant | 8,000 | 8 | 99.5% | 180 |
| Zilliz Cloud | 12,000 | 5 | 98.8% | 150 |
Alternatives are not always the right move. MongoDB Atlas remains strong in these scenarios.
9 vector databases evaluated. Key factors: indexing speed, query latency, and integration with LLM frameworks.
Expert Take
Teams on Atlas are not buying a new product. Vector search has no rate card of its own: it runs on the same cluster compute as the database, arriving as a bigger instance rather than a new line. Egress is metered separately.
Oleh KemFounder & Lead AnalystManaged vector database for AI applications with embedding storage, similarity search, and metadata filtering.. Rated 4.7/5 vs 4.6/5 for MongoDB Atlas.
Open-source vector database with multi-modal search, structured filtering, and built-in vectorization.. Rated 4.7/5 vs 4.6/5 for MongoDB Atlas.
Managed vector database integrated into Databricks, storing embeddings alongside Delta Lake tables.. Rated 4.7/5 vs 4.6/5 for MongoDB Atlas.
Rust-based open-source vector database with high-performance similarity search and rich filtering.. Priced higher at $65/mo vs $57/mo.
Elasticsearch vector search with HNSW dense vector fields and k-NN search, available from v8.0+.. Priced higher at $99/mo vs $57/mo.
Milvus is an open-source vector database designed for billion-scale similarity search, maintained by Zilliz.. Priced higher at $126/mo vs $57/mo.
Vector similarity search built into Redis using HNSW and FLAT indexes for real-time embedding retrieval at low latency.. Priced higher at $200/mo vs $57/mo.
An open-source, developer-first embedding database for building and testing AI applications with minimal setup.. MongoDB Atlas edges it on ratings (4.6 vs 4.3/5).
Showing 8 of 9 alternatives
| Source | What was checked | Last checked |
|---|---|---|
| Official Website | Official vendor website | — |
| Official Pricing Page | Source of verified tiers | July 8, 2026 |
| G2 | G2 verified user reviews · 4.5/5 · 370 reviews | — |
| Capterra | Capterra verified user reviews · 4.5/5 | — |
| TrustRadius | TrustRadius verified reviews | — |
| PeerSpot | PeerSpot enterprise peer reviews | — |
Every fact on this MongoDB Atlas pricing page is tied to a named source and a verification date. Freshness-sensitive figures trace to the sources above; verify against the vendor before relying on them.