# LiteLLM (litellm) - AgentBreakWatch Reference

> TL;DR Verdict: LiteLLM (`litellm`) is currently at v1.106.3 on PYPI (published 2026-10-24), with a 90-day Stability Score of 70/100 (C+) and HIGH schema drift risk across 89 releases in the last 90 days. High-frequency releases update model cost maps, Anthropic/Bedrock tool call argument normalization, and MCP gateway bridge routes.

## Live Telemetry Metadata
- Canonical Page: https://agentbreakwatch.vercel.app/p/litellm-python
- Category Hub: https://agentbreakwatch.vercel.app/c/agent-sdks (AI Agent SDKs & Frameworks Breaking-Change Index)
- Package Name: `litellm`
- Registry: PYPI (https://pypi.org/project/litellm/)
- GitHub Repository: https://github.com/BerriAI/litellm
- Vendor: BerriAI
- Latest Live Version: v1.106.3
- Published Date: 2026-10-24T09:14:52.573766Z
- 90-Day Release Count: 89
- Direct Dependencies: 109
- License: MIT
- Stability Score: 70/100 (Grade C+)
- Schema Drift Risk: HIGH
- Recommended Exact Pin Command: `pip install "litellm==1.106.3"`
- Watched Symbols / MCP Tools: completion, acompletion, responses, experimental_mcp_client
- Snapshot Timestamp: 2026-10-24T12:11:27.697Z

## Breaking Change & Schema Drift Summary
High-frequency releases update model cost maps, Anthropic/Bedrock tool call argument normalization, and MCP gateway bridge routes.

## Migration Diff: Before (Deprecated / Unpinned Pattern)
```
res = litellm.completion(model="claude-3-sonnet", messages=msgs, functions=fns)
```

## Migration Diff: After (Verified v1.106.3 Pattern)
```
res = litellm.completion(model="anthropic/claude-sonnet-4-5", messages=msgs, tools=tools)
```

## Recent Verified Releases
- v1.106.3 (published 2026-10-24) [LATEST]
- v1.105.4 (published 2026-10-24)
- v1.104.6 (published 2026-10-24)
- v1.103.8 (published 2026-10-24)
- v1.106.2 (published 2026-10-21)
- v1.105.3 (published 2026-10-21)