Synth Blog · Jul 2026
Introduces an open Rust workflow substrate for research engineers and highlights dynamic agent workflows with seeded sandboxes, artifacts, and replayable orchestration.
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Synth AI is a San Francisco-based YC F24 company building a managed research and agent-optimization platform for applied AI teams. Its core product is the synth-ai platform/SDK for managed research, research factory workflows, and long-horizon AI agent optimization, with optional hosted API and infrastructure surfaces.
Primary product
synth-ai managed research / research factory platform and SDK
Founded
2024
Headquarters
San Francisco, California, United States
Team size
1-10 employees
Industry
Software Development
Sub-industry
Developer tools for AI agents
Offices
0 jobs at Synth
Check back later for new openings
Business model
Stage
pre-seed
Total raised
$500K
Latest round
Pre-Seed · Dec 2024
Latest amount
$500K
Dec 2024 · Y Combinator
Leadership
Founder, CEO
Investors
Public writing emphasizes owning the hard part, starting in development but living in production, and building for long-horizon, high-complexity problems. The tone is research-engineering oriented, API-first, and aimed at frontier builders.
Compensation
No public employee salary or equity bands were found. Public compensation-related signals are product pricing signals: free, Standard, Pro, Team, and Max plan tiers, plus Beta Access and usage/credit limits for customers.
Pricing
Plan-based SaaS with free, Standard, Pro, Team, and Max tiers, plus Beta Access overlays and usage/credit limits.
Differentiators
Technology
Competitors
Estimated monthly visits
183
Synth Blog · Jul 2026
Introduces an open Rust workflow substrate for research engineers and highlights dynamic agent workflows with seeded sandboxes, artifacts, and replayable orchestration.
Synth Blog · Jun 2026
Launches Synth Tag v1 as a beta SDK and MCP surface for delegating tasks, steering runs, and retrieving terminal run receipts.
Synth Blog · Jun 2026
Launches Managed Research and describes benchmarking versus Codex standalone, message-queue orchestration, and access via MCP, SynthClient().research, or the frontend.
Synth Blog · Jun 2026
Announces public research publishing with receipts, artifact bundles, and a private-work firewall.
Synth Blog · Jun 2026
Describes a checkpoint-native long-horizon optimizer for agents and discusses frontier search improvements in environments such as Craftax, NetHack, and Crafter.