SylphAI, Inc.
SylphAI provides the best harness for agentic engineering, automating AI/ML engineering workflows with high-trust worker agents for research, coding, and browser use.
At a Glance
- High-performing engineering teams
- AI agent builders
- AI startups
- Research institutions
AI Tools by SylphAI, Inc.
(1)
AdalFlow
Python Library for LLM Pipelines
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Latest News
SylphAI Raises Oversubscribed $2.1M Pre-Seed Round Led by XTX Ventures
Z.ai Partners with SylphAI for Free GLM Models Access in AdaL CLI
Article: True Autonomous Coding Agents Require Browser Use
AdaL Aligns with Andrej Karpathy’s Vision for Agentic Engineering
Products & Services
A multi-agent engineering system and coding agent that combines worker agents for research, coding, browser use, and review.
An open-source library designed to help developers build and optimize LLM applications, featuring auto-optimization and auto-prompting capabilities.
An agent harness specifically designed for autonomous literature review and research workflows.
Market Position
SylphAI positions itself as a 'harness' for agentic engineering, focusing on reliability and human understanding rather than just code generation. Key competitors include Devin (Cognition), Cursor, and Plandex.
Leadership
Founders
Li Yin
Founder & CEO. Previously a Research Scientist at Meta (FAIR) and worked at NVIDIA. Solo founder for the first three years of SylphAI.
Meng Liu
Co-founder & CTO. Previously an AI Researcher at NVIDIA. Holds a PhD in CS from Texas A&M University and a BE from Tsinghua University. OG contributor to AdalFlow.
Executive Team
Li Yin
Founder & CEO
Former Research Scientist at Meta AI (FAIR) and NVIDIA.
Meng Liu
Co-founder & CTO
Former AI Researcher at NVIDIA; CS PhD from Texas A&M University.
Board of Directors
Founding Story
SylphAI was started by Li Yin as a solo founder to address the bottleneck in agentic engineering—human understanding. The vision was to create a continuous session for fragmented agentic workflows, moving from code generation to full production reliability.
Business Model
Revenue Model
SaaS subscription and pay-per-token API usage.
Pricing Tiers
Includes credit details and multi-agent access.
Billing based on input and output tokens for LLM models.
Target Markets
- High-performing engineering teams
- AI agent builders
- AI startups
- Research institutions
- AI/ML engineering automation
- 0-to-1 product development
- Autonomous literature review
- Visual task verification
- Z.ai
- GMI Cloud
- WorkOS