
Thinking Machines Lab / Tinker
About
Model-training API and cookbook with composable RL environments, GRPO pipelines, tool-use training, and multi-agent RL recipes.
What They Offer
Commercial or operational services this company provides.
Open-source tooling
Managed infrastructure
Products & Public Artifacts
Tinker / Tinker Cookbook
Tool · Commercial
Model-training SDK and cookbook with production recipes for reinforcement learning, tool use, multi-agent training, verifiers, benchmarks, sandboxes, and stateful environments.
Visit artifact →Technical Capabilities
Tool / API / MCP UseLong-Horizon TasksProgrammatic VerifiersSandboxed ExecutionStateful / Persistent Environments
Only publicly documented capabilities are shown. Absence does not imply the capability is unavailable.
Focus Areas
RLHF / Post-trainingAgent Infrastructure
Domains
Software Engineering