The top alternatives to Mastra are OpenAI Agents SDK, LangChain and Griptape, ranked by Staquest on relevance, shared use cases, and pricing. OpenAI Agents SDK is the strongest free option.
Staquest ranks OpenAI Agents SDK as the top alternative to Mastra — Lightweight SDK for building multi-agent workflows with OpenAI models.. The full ranked list above compares 10 options.
OpenAI Agents SDK offers a free tier and is the highest-ranked free alternative to Mastra in Staquest's analysis.
Staquest identifies 10 tools similar to Mastra using graph relationships, embedding similarity, and shared categories. The closest are OpenAI Agents SDK, LangChain, Griptape.
OpenAI Agents SDK is an open-source alternative to Mastra listed in this ranking.
Alternatives are ranked by verified relationships, semantic similarity, and category overlap.