## Diagram: AI Research Project Timeline
### Overview
The image is a diagram illustrating a timeline of AI research projects, categorized by their reasoning approach (Deep Reasoning, Deep Reasoning Format, Deep Reasoning Learning). The projects are visually connected by lines, resembling a tree structure, with the timeline spanning from 2022 to 2025.03. The diagram uses color-coding to distinguish between open-source and closed-source projects.
### Components/Axes
* **Timeline:** Vertical axis with markers for 2022, 2023, 2024, 2025.01, 2025.02, and 2025.03.
* **Categories:**
* Deep Reasoning (Feasible Reflection, Extensive Exploration)
* Deep Reasoning Format (Feedback, Exploration Scaling, Internal Exploration)
* Deep Reasoning Learning (Refinement, External Exploration)
* **Nodes:** Represent individual AI research projects, labeled with their names (e.g., QwQ-32B, OpenAI-o1, Logic-RL).
* **Connections:** Lines connecting the nodes, indicating relationships or dependencies between projects.
* **Legend (bottom-right):**
* Yellow: Open Resource
* Blue: Close Resource
### Detailed Analysis
**Timeline Breakdown:**
* **2025.03:**
* QwQ-32B
* **2025.02:**
* DeepSeek-R1
* LTMs
* RecurrentBlock
* CodeI/O
* o1-ioi
* FastMCTS
* Sky-T1
* BOLT
* PGTS
* ITT
* LIMO
* s1
* RedStar (Chinese characters present)
* Translation: Red Star
* **2025.01:**
* OpenAI-o1
* Coconut
* CoC
* Ai2 ICOT
* Quiet-STaR
* Lean-STaR
* Qwen2.5Math
* V-STaR
* DART-Math
* O1JourneyP2
* Bespoke Stratos
* STILL-2
* AceMath
* **2024:**
* MuSR
* Planning Tokens
* CLP
* Brain
* CPO
* IRPO
* ReFT
* Eurus
* GenRM
* DeepseekMath
* Promptbreeder
* ENVISIONS
* PoT
* Finetune-CoT
* ReST
* MathPrompter
* **2023:**
* Shepherd
* ReST
* CRITIC
* **2022:**
* G CoT
* STaR
**Project Categories and Connections:**
* **Deep Reasoning:** Projects like "QwQ-32B" and "OpenAI-o1" are positioned on the left side of the diagram.
* **Deep Reasoning Format:** Projects like "LIMO" and "Critic-RM" are positioned in the center of the diagram.
* **Deep Reasoning Learning:** Projects like "ThinkPO" and "ReAct" are positioned on the right side of the diagram.
**Source Type:**
* Open Resource: Projects with a yellow background (e.g., Logic-RL, Full-Step-DPO, RewardAgent)
* Close Resource: Projects with a blue background (e.g., DeepSeek-R1, OpenAI-o1, ITT)
### Key Observations
* The diagram shows a progression of AI research projects over time, with a concentration of projects around 2024 and 2025.
* The "tree" structure suggests a branching or evolutionary relationship between the projects.
* The color-coding provides information about the accessibility of the projects (open vs. closed source).
### Interpretation
The diagram provides a visual representation of the AI research landscape, highlighting the different approaches to deep reasoning and the relationships between various projects. The timeline indicates the relative recency of different projects, while the color-coding offers insights into the openness and accessibility of the research. The diagram suggests a growing interest and activity in AI research, with a diverse range of projects exploring different aspects of deep reasoning. The branching structure implies that later projects build upon or are inspired by earlier ones.