Skip to content
repository radar
Agents & Orchestration

🧪AI-Scientist-v2

ACTIVE BREAKOUT

SakanaAI/AI-Scientist-v2

The AI Scientist-v2: Workshop-Level Automated Scientific Discovery via Agentic Tree Search

⭐ Popular: 7k stars, gaining about 32 a week

View on GitHub ↗

repo profile

vintage 2025 1 year old
language Python
license Other

momentum

total stars 7k
stars added last week +32
commits / week 0 steady
issues closed 30% ~3mo to close, median
contributors 8
release cadence n/a
last activity 7mo ago

durability

backing VC-backed Sakana AI (NEA, Khosla, Lux)

since we covered it

monthly average + 464/mo (+9%/mo) · + 2k total since PR#31

why it's a big deal

  • It automates a full research loop from idea generation through experiments to a written manuscript, targeting machine learning researchers who want to offload exploratory studies.
  • The project reports producing the first workshop paper written entirely by AI and accepted through peer review, which sets a concrete reference point for what these systems can currently do.
  • Unlike v1 it drops human-authored templates, so it aims to generalize across machine learning domains rather than run only pre-scaffolded experiments.

under the hood

  • Written in Python and split into two stages; perform_ideation_temp_free.py generates and novelty-checks ideas via Semantic Scholar, then launch_scientist_bfts.py runs experiments and writes the paper.
  • Experiments are driven by a best-first tree search guided by an experiment manager agent, with configurable num_workers, steps, and max_debug_depth.
  • It mixes several models by role, using Claude for experimentation, GPT-4o for citations, and o1-preview or o3-mini for writing, and runs on PyTorch with CUDA alongside LaTeX tooling like poppler and chktex.

Radar summary, generated from the project's public sources

star history

PR#31 · 5k7k now Apr 2025Aug 2026
  1. PR#31 5k 2026-04-08
  2. now 7k + 2k since first covered

curve is sampled from GitHub's star history, plus our own daily readings since we covered it; the dashed stretch is before we first covered it, the solid line since. figures at coverage are the numbers we printed then (approx.), current count is live.

understory

Better known than its recent output, coasting a little on attention.

-58 understory score output 0 · clout 58
Aug 2025 Jul 2026
  • output, commits & releases
  • clout, star velocity

output = commits & releases; clout = star velocity, both 0 to 100 monthly indices; the gap where output runs above clout is the understory. The understory →

covered in

  • PR#31 2026-04-08 below the radar

    End-to-end agentic system for autonomous scientific paper generation via tree search

similar projects

compare these →
  • hermes-agent

    33× the stars

    The agent that grows with you

    231k ACTIVE
  • 🖼️ Langflow

    22× the stars

    Langflow is a powerful tool for building and deploying AI-powered agents and workflows.

    153k ACTIVE
  • 📊 TradingAgents

    14× the stars

    TradingAgents: Multi-Agents LLM Financial Trading Framework

    98k ACTIVE

comments

Sign in with GitHub to add your blip on AI-Scientist-v2.

loading comments…