cost-calc

Chroma

Chroma is an open-source embedding database built for retrieval-augmented generation, storing vector embeddings alongside metadata and documents so applications can run similarity search and filtering over them. It offers both an embedded in-process mode and a client-server deployment.

Baseline topologies

TopologyMinimum nodesRoles
local-or-embedded1chroma
shared-retrieval-server1chroma

What drives the cost

Vector count (millions)
Approximate number of stored vectors before growth overhead.
Embedding dimension
Dimension of the embeddings stored in the primary collections.
Peak query concurrency
Expected peak concurrent retrieval requests against the Chroma deployment.

Where it runs

bare_metal, dedicated, cloud_vm

Size Chroma and get a cost estimate

Sources