Agent Frameworks (Developers)free

DSPy

Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars

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What DSPy does

  • Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars
  • Compiles/optimizes prompts automatically against metrics instead of manual prompt tuning
  • Production use at Databricks, Shopify, Dropbox, AWS; Shopify reports ~550x cost reduction

DSPy — straight answers

What is DSPy?

DSPy is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Open-source (MIT) framework from Stanford NLP, 37k+ GitHub stars. It is free, with no paid plan attached, and it lives at dspy.ai.

Is DSPy free?

DSPy is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.

What can DSPy do?

DSPy does 3 things the catalog singles out: Open-source (mit) framework from stanford nlp, 37k+ github stars; compiles/optimizes prompts automatically against metrics instead of manual prompt tuning; production use at databricks, shopify, dropbox, aws; shopify reports ~550x cost reduction.

What is the best free alternative to DSPy?

Agno is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. AWS Strands Agents, Google Agent Development Kit (ADK) and LangGraph also start free. The full list is on the alternatives page.

See the full list →

DSPy alternatives

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LangGraph

Agent Frameworks (Developers)
free
  • Build stateful, multi-agent apps as graphs
  • Human-in-the-loop and durable execution
  • Works with any LLM
  • Open-source with a hosted platform
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CrewAI

Agent Frameworks (Developers)
freemium
  • Role-based multi-agent 'crews'
  • Simple Python API for collaboration
  • Tasks, tools and flows
  • Open-source core
Visit

OpenAI Agents SDK

Agent Frameworks (Developers)
free
  • Lightweight agent orchestration from OpenAI
  • Agent handoffs, guardrails and tracing
  • Tool and function calling built in
  • Open-source, pay only for model usage
Visit

Microsoft AutoGen

Agent Frameworks (Developers)
free
  • Multi-agent conversation framework
  • Event-driven, async agent design
  • Studio UI for prototyping
  • Fully open-source
Visit

LlamaIndex

Agent Frameworks (Developers)
freemium
  • Leading framework for RAG and data agents
  • Connect LLMs to your documents & APIs
  • Agentic document workflows
  • Open-source with a hosted cloud
Visit

Google Agent Development Kit (ADK)

Agent Frameworks (Developers)
free
  • Open-source Python/Java framework from Google for building multi-agent systems
  • Native integration with Vertex AI Agent Engine and Gemini models
  • Model-agnostic — works with non-Google LLMs via LiteLLM
Visit

Head-to-head comparisons

DSPy vs LangGraphDSPy vs CrewAIDSPy vs OpenAI Agents SDKDSPy vs Microsoft AutoGenDSPy vs LlamaIndexDSPy vs Google Agent Development Kit (ADK)