Source: https://seerepo.com/compare/chroma-core/chroma/vs/volcengine/OpenViking Markdown source: https://seerepo.com/compare/chroma-core/chroma/vs/volcengine/OpenViking.md Description: chroma and OpenViking share 18 technologies: FastAPI, aws-sdk-s3, sqlx-sqlite, sqlx, SQLite, Tokio, uvicorn, OpenAI, Ratatui, crossterm, indicatif, Pydantic, jsonschema, opentelemetry-api, opentelemetry-exporter-otlp-proto-grpc, tracing, OpenTelemetry, and tracing-subscriber. chroma is written in Rust and OpenViking in Python. # chroma vs OpenViking chroma and OpenViking share 18 technologies: FastAPI, aws-sdk-s3, sqlx-sqlite, sqlx, SQLite, Tokio, uvicorn, OpenAI, Ratatui, crossterm, indicatif, Pydantic, jsonschema, opentelemetry-api, opentelemetry-exporter-otlp-proto-grpc, tracing, OpenTelemetry, and tracing-subscriber. chroma is written in Rust and OpenViking in Python. - [chroma-core/chroma](https://seerepo.com/r/chroma-core/chroma): Search infrastructure for AI - [volcengine/OpenViking](https://seerepo.com/r/volcengine/OpenViking): Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills. ## What they share and what sets them apart - In common: FastAPI, aws-sdk-s3, sqlx-sqlite, sqlx, SQLite, Tokio, uvicorn, OpenAI, Ratatui, crossterm, indicatif, Pydantic, jsonschema, opentelemetry-api, opentelemetry-exporter-otlp-proto-grpc, tracing, OpenTelemetry, tracing-subscriber - Only in chroma: axum, pgx, pq, s3, sqlx-postgres, arrow, foyer, Postgres, object_store, usearch, tower, Rich, dialoguer, utoipa-swagger-ui, gorm.io/gorm, pypika, sea-query, bcrypt, github.com/aws/aws-sdk-go-v2/credentials, hf-hub, tokenizers, onnxruntime, rmcp, parquet, tree-sitter-md, validator, schemars, k8s-openapi, opentelemetry-instrumentation-fastapi, github.com/pingcap/log, go.uber.org/zap, tracing-opentelemetry, github.com/rs/zerolog, google-cloud-googleapis, boto3, go.opentelemetry.io/otel, go.opentelemetry.io/otel/metric, github.com/aws/aws-sdk-go-v2, github.com/aws/aws-sdk-go-v2/config, go.opentelemetry.io/contrib/instrumentation/github.com/aws/aws-sdk-go-v2/otelaws, go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc, go.opentelemetry.io/otel/exporters/otlp/otlptrace, go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc, go.opentelemetry.io/otel/sdk, go.opentelemetry.io/otel/sdk/metric, go.opentelemetry.io/otel/trace, kube, kubernetes, opentelemetry-otlp, psutil, @xenova/transformers, cohere-ai, ollama, Ajv, Hugging Face, together-ai - Only in OpenViking: AIOHTTP, fred, rusqlite, lru, Redis, MySQL, React, Vite, TanStack, argon2-cffi, cryptography, hkdf, agent-framework-core, LangChain, MCP, litellm, firecrawl-anydoc, pdfplumber, jinja2, zip, cairosvg, defusedxml, feedparser, image, volcengine-python-sdk, opentelemetry-exporter-otlp-proto-http, loguru, opentelemetry_sdk, prometheus-client, tracing-appender, qrcode-terminal, pino, Tailwind CSS, class-variance-authority, next-themes, @codemirror/theme-one-dark, tailwind-merge, sonner, Base UI, @dagrejs/dagre, @rjsf/core, @streamdown/code, CodeMirror, postprocessing, react-dropzone, recharts, three, xyflow, Lucide, react-markdown, remark-gfm, yaml, streamdown, file-type, highlight.js, qrcode.react, rehype-raw, rehype-sanitize, remark-breaks, rjsf ## Side by side | | chroma | OpenViking | |---|---|---| | Size | 474,465 lines written, 886 code files | 1,152,111 lines written, 2,091 code files | | Who writes it | 1.5% of its commits signed by AI. With Claude Code, Cursor, and Sweep | 8.2% of its commits signed by AI. With Claude Code, Cursor, Codex, and GitHub Copilot | | Activity | Last push November 7, 2026, 4,542 commits, 29,650 stars | Last push November 6, 2026, 3,138 commits, 41,668 stars | | Tests | 345 test files. 31% of its code files have a test that imports them | 1,410 test files. 56.1% of its code files have a test that imports them | - Size: Lines written by people and agents, without generated ones; code files, without tests. - Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch. - Activity: From GitHub and its history, on the day SeeRepo read it. - Tests: The files that test the code, and the share of code files a test imports. ## Frequently asked questions ### Which is bigger, chroma or OpenViking? OpenViking, with 1,152,111 lines written; chroma has 474,465. The proof: [volcengine/OpenViking's code at commit a5f08d1](https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187) ### Which has more GitHub stars, chroma or OpenViking? OpenViking, with 41,668 stars; chroma has 29,650. The proof: [volcengine/OpenViking on GitHub](https://github.com/volcengine/OpenViking) ### Which has more tests, chroma or OpenViking? OpenViking, with 1,410 test files; chroma has 345. The proof: [volcengine/OpenViking's code at commit a5f08d1](https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187) ### Which was updated more recently, chroma or OpenViking? chroma: its last push was on November 7, 2026, and OpenViking's on November 6, 2026. The proof: [chroma-core/chroma's commits on GitHub](https://github.com/chroma-core/chroma/commits) ### Which has more commits signed by AI, chroma or OpenViking? OpenViking: an AI signed 8.2% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in chroma, 1.5%. The proof: [the commits each tool signed in volcengine/OpenViking](https://seerepo.com/r/volcengine/OpenViking/ai) ## Sources - chroma-core/chroma: Read on November 8, 2026, at commit 1a3ac2c (https://github.com/chroma-core/chroma/tree/1a3ac2c7c623adbd03ed2508dc27b98cdf26016d) - volcengine/OpenViking: Read on November 6, 2026, at commit a5f08d1 (https://github.com/volcengine/OpenViking/tree/a5f08d14eb9305803402e6ab71b88a66bf897187) ## What is your repo built with? Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.