dspy

DSPy by Stanford NLP

DSPy

Live Registry Versionv3.4.1Previous: v3.4.0Published 2026-10-12

Stability Grade

B+ (86/100)

90-Day Velocity

4 releases

Stable release cadence

Dependencies

45 direct

PYPI manifest

License

MIT License

Verified on PYPI

Recommended Exact Pin: pip install "dspy==3.4.1"

PYPI Registry ->GitHub Repo ->

TL;DR Verdict & Quick Citation Summary (2026-10-24)Source: AgentBreakWatch Live PYPI Index

DSPy (dspy) is currently at v3.4.1 on PYPI (published 2026-10-12), with a 90-day stability score of 86/100 (B+) and MEDIUM schema drift risk across 4 releases in the past 90 days. DSPy v3.x unifies dspy.LM() with LiteLLM identifiers, removes legacy dspy.OpenAI classes, and updates dspy.ReAct tool wrapping. Production teams should pin pip install "dspy==3.4.1" rather than using unpinned @latest tags.

Breaking Changes & Tool Schema Drift Analysis

DSPy v3.x unifies dspy.LM() with LiteLLM identifiers, removes legacy dspy.OpenAI classes, and updates dspy.ReAct tool wrapping.

Watched Exports / MCP Tool Signatures:

dspy.LMdspy.ReActdspy.Tooldspy.MIPROv2

Before (Deprecated / Unpinned Pattern)

lm = dspy.OpenAI(model="gpt-4o")
dspy.settings.configure(lm=lm)

After (Verified v3.4.1 Pattern)

lm = dspy.LM("openai/gpt-5")
dspy.configure(lm=lm)

Frequently Asked Questions: dspy

What is the latest version of dspy on PYPI?

As of 2026-10-24, the latest stable version of dspy (DSPy by Stanford NLP) on PYPI is v3.4.1, published on 2026-10-12. It has shipped 4 releases in the last 90 days.

Does dspy v3.4.1 have breaking changes or MCP schema drift risk?

dspy currently carries a MEDIUM schema drift risk rating with a Stability Score of 86/100 (Grade B+). DSPy v3.x unifies dspy.LM() with LiteLLM identifiers, removes legacy dspy.OpenAI classes, and updates dspy.ReAct tool wrapping.

How do I safely pin dspy in production?

Avoid unpinned @latest tags in production agent configs. Pin the exact verified version using `pip install "dspy==3.4.1"` and monitor dspy.LM, dspy.ReAct, dspy.Tool, dspy.MIPROv2 for parameter or schema changes.

30-Min Registry & Schema Poller