ag-ui vs hindsight
ag-ui and hindsight share 22 technologies: FastAPI, AIOHTTP, Tokio, uvicorn, React, Next.js, MCP, openai-agents, strands-agents, google-adk, CrewAI, LangChain, litellm, Pydantic, Tailwind CSS, next-themes, class-variance-authority, tailwind-merge, Radix UI, Lucide, Zod, and ai. Both are written in Python.
LinkedInWhat they share and what sets them apart
ag-ui-protocol
ag-ui
AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.
Python17.1kRead on November 7, 2026, at commit 37b4da9What is ag-ui built with?Only in ag-ui
- ASP.NET Core
- Spring
- activity-compose
- core-ktx
- java-server
- Express
- Hono
@mastra/libsql
PostHoggo
- Microsoft.Extensions.AI.Abstractions
- spring-ai-bom
- spring-ai-client-chat
- Microsoft.Extensions.AI
- ag-ui-a2ui-toolkit
- google-antigravity
- LangGraph
- langroid
- coil-compose
- io.ktor:ktor-client-logging
- slf4j-simple
- github.com/sirupsen/logrus
- log
- @a2ui/web_core
@copilotkit/react-ui
@monaco-editor/react
embla-carousel-react
tiptap
- @phosphor-icons/react
@a2a-js/sdk
@langchain/openai
- streamdown
markdown-it
- zod-to-json-schema
@cfworker/json-schema
@strands-agents/sdk
- @omnara/sdk
yaml
- Ajv
In common
- FastAPI
- AIOHTTP
- Tokio
uvicorn
- React
- Next.js
- MCP
openai-agents
google-adk
- CrewAI
- LangChain
litellm
- Pydantic
- Tailwind CSS
- next-themes
class-variance-authority
tailwind-merge
- Radix UI
- Lucide
- Zod
ai
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
- Postgres
- Claude
OpenAIfastmcp
- Preact
- Rich
- crossterm
- indicatif
- Ratatui
- SQLAlchemy
- alembic
- cryptography
- pyjwt
- einops
- Haystack
- pydantic-ai-slim
- torch
llama-index-core
- autogen-core
pillow
- validator.v2
- opentelemetry-api
- opentelemetry-semantic-conventions
- OpenTelemetry
- opentelemetry-exporter-otlp-proto-http
opentelemetry-instrumentation-fastapi
- @tailwindcss/postcss
- PostCSS
sonner
react18-json-view
recharts
- cmdk
- react-markdown
remark-gfm
- @opencode-ai/plugin
- js-yaml
@clack/prompts
Side by side
ag-uihindsight
SizeLines written by people and agents, without generated ones; code files, without tests.
ag-ui879,462 lines written1,084 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.
ag-ui22.7% of its commits signed by AIWith Claude Code, Codex, GitHub Copilot, and Cursor
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.
ag-uiLast push November 6, 20263,939 commits17,052 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.
ag-ui1,756 test files60.9% 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, ag-ui or hindsight?
ag-ui, with 879,462 lines written; hindsight has 749,226.
Which has more GitHub stars, ag-ui or hindsight?
hindsight, with 58,979 stars; ag-ui has 17,052.
The proof: vectorize-io/hindsight on GitHub
Which has more tests, ag-ui or hindsight?
ag-ui, with 1,756 test files; hindsight has 1,333.
Which was updated more recently, ag-ui or hindsight?
ag-ui: its last push was on November 6, 2026, and hindsight's on November 5, 2026.
The proof: ag-ui-protocol/ag-ui's commits on GitHub
Which has more commits signed by AI, ag-ui or hindsight?
ag-ui: an AI signed 22.7% of its commits, with Claude Code, Codex, GitHub Copilot, and Cursor; in hindsight, 6.8%.
The proof: the commits each tool signed in ag-ui-protocol/ag-ui
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