Chroma vs Qdrant
Chroma vs Qdrant: side-by-side comparison of two vector-database infrastructure systems — architecture, taxonomy, license, pricing, MCP/A2A support, and direct edges.
Cost & capability
| Chroma | Qdrant | |
|---|---|---|
| Cost tier | free | free |
| $/Mtok input | 0 | 0 |
| $/Mtok output | 0 | 0 |
Where they differ (13)
Rows where both sides have data and the values disagree — the shortlist of dimensions that actually distinguish these two systems.
| Chroma | Qdrant | |
|---|---|---|
| Type | Embedded vector DB (Rust core) | Vector DB + DBSF + RRF |
| Created | 2022-10 | 2020-05 |
| Latest release | v1.6.0 (2026-10-13) | v1.19.2 (2026-10-05) |
| GitHub | chroma-core/chroma — ~29.1k stars, last commit 2026-10 | qdrant/qdrant — ~34.9k stars, last commit 2026-10 |
| Pricing | Chroma Cloud winding down: read-only from 2026-11-22, no reads after 2026-12-22, no new Cloud plans; open-source ChromaDB free (Apache-2.0) | Free tier forever (single node, 1 GB RAM / 4 GB disk); Standard usage-based hourly billing; Premium has minimum spend; Hybrid/Private Cloud via sales |
| Funding | Acquired by Replit (definitive agreement announced 2026-10-23); prior $18M total $75M val Seed · 2023-04 | $78M total Series B · 2026-03 |
| Backend storage | SQLite (local) / custom cloud backend | custom (Rust-built HNSW + RocksDB metadata) |
| Deployment | Both (self-hosted + managed cloud) — OSS embedded/server; Chroma Cloud serverless; single-tenant/BYOC on Enterprise | Both (self-hosted + managed cloud) — OSS engine; Qdrant Managed Cloud, Hybrid Cloud and Private Cloud |
| API surface | REST, SDK: Python, JS/TS | REST, gRPC, SDK: Python, JS/TS, Rust, Go, Java, C# |
| Embedding | multiple supported | BYO |
| Multi-tenancy | Multi-tenant indexes with billions of vectors; AWS PrivateLink; BYOC (Bring Your Own Cloud) for hard isolation | Hardened unprivileged container per cluster with strict network policies; outbound restricted; paid plans on dedicated resources; Private Cloud option for air-gap |
| MCP | yes — official chroma-core/chroma-mcp (GitHub, Apache-2.0) | yes — official qdrant/mcp-server-qdrant (GitHub, Apache-2.0) |
| OpenTelemetry | via OpenTelemetry instrumentation | first-class — Prometheus + OTel |
At a glance
| Chroma | Qdrant | |
|---|---|---|
| Section | Vector-database infrastructure | Vector-database infrastructure |
| Tier | T1 | T1 |
| Type | Embedded vector DB (Rust core) ↗ vendor | Vector DB + DBSF + RRF ↗ vendor |
| Created | 2022-10 ↗ repo | 2020-05 ↗ repo |
| Latest release | v1.6.0 (2026-10-13) ↗ repo | v1.19.2 (2026-10-05) ↗ repo |
| License | Apache-2.0 ↗ repo | Apache-2.0 ↗ repo |
| GitHub | chroma-core/chroma — ~29.1k stars, last commit 2026-10 ↗ repo | qdrant/qdrant — ~34.9k stars, last commit 2026-10 ↗ repo |
| Pricing | Chroma Cloud winding down: read-only from 2026-11-22, no reads after 2026-12-22, no new Cloud plans; open-source ChromaDB free (Apache-2.0) ↗ vendor | Free tier forever (single node, 1 GB RAM / 4 GB disk); Standard usage-based hourly billing; Premium has minimum spend; Hybrid/Private Cloud via sales ↗ vendor |
| Funding | Acquired by Replit (definitive agreement announced 2026-10-23); prior $18M total $75M val Seed · 2023-04 ↗ vendor | $78M total Series B · 2026-03 ↗ third-party |
| Backend storage | SQLite (local) / custom cloud backend ↗ vendor | custom (Rust-built HNSW + RocksDB metadata) ↗ vendor |
| Deployment | Both (self-hosted + managed cloud) — OSS embedded/server; Chroma Cloud serverless; single-tenant/BYOC on Enterprise ↗ vendor | Both (self-hosted + managed cloud) — OSS engine; Qdrant Managed Cloud, Hybrid Cloud and Private Cloud ↗ vendor |
| API surface | REST, SDK: Python, JS/TS ↗ vendor | REST, gRPC, SDK: Python, JS/TS, Rust, Go, Java, C# ↗ vendor |
| Embedding | multiple supported ↗ vendor | BYO ↗ vendor |
| Multi-tenancy | Multi-tenant indexes with billions of vectors; AWS PrivateLink; BYOC (Bring Your Own Cloud) for hard isolation ↗ vendor | Hardened unprivileged container per cluster with strict network policies; outbound restricted; paid plans on dedicated resources; Private Cloud option for air-gap ↗ vendor |
| MCP | yes — official chroma-core/chroma-mcp (GitHub, Apache-2.0) ↗ repo | yes — official qdrant/mcp-server-qdrant (GitHub, Apache-2.0) ↗ repo |
| A2A | no Google A2A (Agent2Agent) integration documented as of 2026-05. | no Google A2A (Agent2Agent) integration documented as of 2026-05. |
| OpenTelemetry | via OpenTelemetry instrumentation ↗ vendor | first-class — Prometheus + OTel ↗ vendor |
| Optimised for | low-latency similarity search + scale ↗ vendor | low-latency similarity search + scale ↗ vendor |
| Anti-fit | not for relational / graph-heavy queries (vector-first by design) ↗ vendor | not for relational / graph-heavy queries (vector-first by design) ↗ vendor |
Pros & cons
Chroma
Pros: Lowest-friction local vector store — embedded mode means zero ops for prototyping; popular default in agent tutorials.
Cons: Production scale-out story is less mature than Weaviate / Qdrant; managed cloud (Chroma Cloud) is newer.
Qdrant
Pros: Rust-built — fastest of the OSS vector DBs in many benchmarks; strong filtering and hybrid search; clean API.
Cons: Smaller managed-cloud presence than Pinecone; ecosystem of integrations still maturing relative to Weaviate.