DSPy 3.5 optional LiteLLM, Pydantic AI 2.67 tool options
Updated 1 min read
Summary
Agent Radar 2026-11-11: DSPy 3.5 makes LiteLLM optional and XML the default; Pydantic AI 2.67 moves native-tool options. Plus Pydantic AI alternatives.
Agent Radar tracked two launches as of 2026-11-11, covering the window 2026-11-04 to 2026-11-11 for tools we have not written about this week. Preview, nightly, alpha, dev and release-candidate builds were left out.
At a glance
| Launch | Tool | Released | What changed |
|---|---|---|---|
| DSPy 3.5 makes LiteLLM optional and XML the default | DSPy | 2026-11-10 | LiteLLM and OpenAI SDK optional; XMLAdapter default; ReActV2 becomes dspy.ReAct; RLM, Flex and GEPA graduate; safer disk caches |
| Pydantic AI 2.67 moves native-tool options | Pydantic AI | 2026-11-10 | provider_settings for native tools; RepoContext instruction loading; durable guardrails and sub-agents; new Claude and Gemini models |
What changed
- DSPy users should re-run their evals: the default adapter and API routing changed, so prompts differ even when Signatures do not.
- Pydantic AI has 22 compatibility notes: native-tool options,
RepoContextloading and the trimmedKnownModelNamelist are the ones most likely to break code. - Both releases touch sandboxes: DSPy prewarms interpreters with
InterpreterPool; Pydantic AI'sCodeModenow rejects tools named after Python builtins.
Questions
Does DSPy 3.5 still work with LiteLLM? Yes. LiteLLM is now optional rather than removed, and the release keeps compatibility execution for it.
What can replace Pydantic AI? Our new guide, Pydantic AI alternatives, sorts LangGraph, the OpenAI Agents SDK, Google ADK, Agno, CrewAI and DSPy by what you are building. More options are in the frameworks category.
In this issue
Rank 1 DSPy 3.5 makes LiteLLM optional and XML the default
DSPyLiteLLM and the OpenAI SDK become optional, XMLAdapter is the default, ReActV2 becomes dspy.ReAct, and RLM, Flex and GEPA leave experimental.
Category: Frameworks
Pricing: Not stated
Rank 2 Pydantic AI 2.67 moves native-tool options
Pydantic AIA long compatibility list: provider_settings for native tools, RepoContext instruction loading, durable guardrails and new Claude and Gemini models.
Category: Frameworks
Pricing: Not stated
