OpenSandbox vs hindsight
OpenSandbox and hindsight share 12 technologies: FastAPI, Postgres, uvicorn, React, Rich, cryptography, Pydantic, opentelemetry-api, OpenTelemetry, opentelemetry-exporter-otlp-proto-http, pyjwt, and MCP. OpenSandbox is written in Go and hindsight in Python.
What they share and what sets them apart
opensandbox-group
OpenSandbox
Secure, Fast, and Extensible Sandbox runtime for AI agents.
Go16.5kRead on November 7, 2026, at commit a0e6e93What is OpenSandbox built with?Only in OpenSandbox
- net/http
- Gin
- go-redis
psycopg
- Redis
- etcd
github.com/aliyun/aliyun-oss-go-sdk
- MySQL
- oss2
- sigs.k8s.io/controller-runtime
starlette
- Vite
react-router-dom
- jedis
- JetBrains
itsdangerous
github.com/go-playground/validator/v10
kubernetes
- go.opentelemetry.io/otel/metric
- docker
- k8s.io/klog/v2
- github.com/go-logr/logr
- gopkg.in/natefinch/lumberjack.v2
- containerd
- org.slf4j:slf4j-api
- go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
- go.opentelemetry.io/otel/sdk
- go.opentelemetry.io/otel/sdk/metric
- go.uber.org/zap
- go.opentelemetry.io/otel/trace
- io.opentelemetry:opentelemetry-api
- Knative
- opentelemetry-sdk
- Prometheus
antd
xterm
- Ant Design
- Microsoft.Extensions.Logging.Abstractions
- ch.qos.logback:logback-classic
In common
- FastAPI
- Postgres
uvicorn
- React
- Rich
- cryptography
- Pydantic
- opentelemetry-api
- OpenTelemetry
- opentelemetry-exporter-otlp-proto-http
- pyjwt
- MCP
vectorize-io
hindsight
Hindsight: Agent Memory That Learns
Python59kRead on November 5, 2026, at commit ee3bd04What is hindsight built with?Only in hindsight
pgvector
psycopg2-binary
- Claude
OpenAI- AIOHTTP
fastmcp
- Tokio
- Next.js
- Preact
- crossterm
- indicatif
- Ratatui
- SQLAlchemy
- alembic
- einops
- Haystack
openai-agents
- pydantic-ai-slim
strands-agents
litellm
- torch
- CrewAI
google-adk
- LangChain
llama-index-core
- autogen-core
pillow
- validator.v2
- opentelemetry-semantic-conventions
opentelemetry-instrumentation-fastapi
- Tailwind CSS
class-variance-authority
- @tailwindcss/postcss
- PostCSS
- next-themes
tailwind-merge
sonner
- Radix UI
react18-json-view
recharts
- cmdk
- Lucide
- react-markdown
remark-gfm
ai
- Zod
- @opencode-ai/plugin
- js-yaml
@clack/prompts
Side by side
OpenSandboxhindsight
SizeLines written by people and agents, without generated ones; code files, without tests.
OpenSandbox650,138 lines written1,423 code files
hindsight749,226 lines written1,156 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
OpenSandbox12.8% of its commits signed by AIWith Claude Code, Codex, Cursor, GitHub Copilot, Devin, and Gemini CLI
hindsight6.8% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
OpenSandboxLast push November 7, 20263,370 commits16,493 stars
hindsightLast push November 5, 20264,037 commits58,979 stars
TestsThe files that test the code, and the share of code files a test imports.
OpenSandbox952 test files50.2% of its code files have a test that imports them
hindsight1,333 test files30.2% of its code files have a test that imports them
Frequently asked questions
Which is bigger, OpenSandbox or hindsight?
hindsight, with 749,226 lines written; OpenSandbox has 650,138.
Which has more GitHub stars, OpenSandbox or hindsight?
hindsight, with 58,979 stars; OpenSandbox has 16,493.
The proof: vectorize-io/hindsight on GitHub
Which has more tests, OpenSandbox or hindsight?
hindsight, with 1,333 test files; OpenSandbox has 952.
Which was updated more recently, OpenSandbox or hindsight?
OpenSandbox: its last push was on November 7, 2026, and hindsight's on November 5, 2026.
The proof: opensandbox-group/OpenSandbox's commits on GitHub
Which has more commits signed by AI, OpenSandbox or hindsight?
OpenSandbox: an AI signed 12.8% of its commits, with Claude Code, Codex, Cursor, GitHub Copilot, Devin, and Gemini CLI; in hindsight, 6.8%.
The proof: the commits each tool signed in opensandbox-group/OpenSandbox
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