Synth

Synth AI provides cloud agents for applied AI research. Its main products are Synth Index, which finds cited research evidence, and Swarms, which carry out a hosted research task and return a report, alongside open source optimizers and containers. Index answers research questions with a written response and citations that identify each cited contribution and its exact revision. The documentation shows a Python quickstart that sends an anonymous public Fast Search with no API key, and notes that the capabilities published by the service state availability, price, limits and retention. Swarms take an objective and a time limit, run as a hosted task, and produce work products such as a Markdown report, for example an evaluation plan for a code generation verifier. Swarms require an account with access, a ready hosted runtime and approved allowance or wallet funding, and the documentation says the time limit is not a spending cap. The tooling reaches users through a Python SDK, a command line and published MCP servers, all at version 0.22.1 in the documentation. Open source projects include Optimizers for prompt optimization and training, Containers for a shared environment runtime, and Jesterky, a native runtime for agent workflows. The product is aimed at AI researchers and engineers who want to automate literature search and experiment planning. The site does not publish a price list. The documentation indicates that public Fast Search can be free when the service enables it.