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 396 entries on Flocci AI Tools with no upgrade path built in.

Can I use DSPy in a browser, or is there an app?

DSPy needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on an API and self-hosting.

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, CAMEL and Claude Agent SDK also start free. The full list is on the alternatives page.

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DSPy alternatives

Compare all alternatives →

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
Visit

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)