litellm-mirror/docs/my-website/release_notes/v1.61.20-stable/index.md

title	slug	date	authors	tags	hide_table_of_contents
v1.61.20-stable	v1.61.20-stable	2025-03-01T10:00:00	name title url image_url Krrish Dholakia CEO, LiteLLM https://www.linkedin.com/in/krish-d/ 1737327772 name title url image_url Ishaan Jaffer CTO, LiteLLM https://www.linkedin.com/in/reffajnaahsi/ 1675971026	llm translation rerank ui thinking reasoning_content claude-3-7-sonnet	false

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v1.61.20-stable

These are the changes since v1.61.13-stable.

This release is primarily focused on:

• LLM Translation improvements (claude-3-7-sonnet + 'thinking'/'reasoning_content' support)
• UI improvements (add model flow, user management, etc)

Demo Instance

Here's a Demo Instance to test changes:

• Instance: https://demo.litellm.ai/
• Login Credentials:
  • Username: admin
  • Password: sk-1234

New Models / Updated Models

1. Anthropic 3-7 sonnet support + cost tracking (Anthropic API + Bedrock + Vertex AI + OpenRouter)
   1. Anthropic API Start here
   2. Bedrock API Start here
   3. Vertex AI API See here
   4. OpenRouter See here
2. Gpt-4.5-preview support + cost tracking See here
3. Azure AI - Phi-4 cost tracking See here
4. Claude-3.5-sonnet - vision support updated on Anthropic API See here
5. Bedrock llama vision support See here
6. Cerebras llama3.3-70b pricing See here

LLM Translation

1. Infinity Rerank - support returning documents when return_documents=True Start here
2. Amazon Deepseek - <think> param extraction into ‘reasoning_content’ Start here
3. Amazon Titan Embeddings - filter out ‘aws_’ params from request body Start here
4. Anthropic ‘thinking’ + ‘reasoning_content’ translation support (Anthropic API, Bedrock, Vertex AI) Start here
5. VLLM - support ‘video_url’ Start here
6. Call proxy via litellm SDK: Support litellm_proxy/ for embedding, image_generation, transcription, speech, rerank Start here
7. OpenAI Pass-through - allow using Assistants GET, DELETE on /openai pass through routes Start here
8. Message Translation - fix openai message for assistant msg if role is missing - openai allows this
9. O1/O3 - support ‘drop_params’ for o3-mini and o1 parallel_tool_calls param (not supported currently) See here

Spend Tracking Improvements

1. Cost tracking for rerank via Bedrock See PR
2. Anthropic pass-through - fix race condition causing cost to not be tracked See PR
3. Anthropic pass-through: Ensure accurate token counting See PR

Management Endpoints / UI

1. Models Page - Allow sorting models by ‘created at’
2. Models Page - Edit Model Flow Improvements
3. Models Page - Fix Adding Azure, Azure AI Studio models on UI
4. Internal Users Page - Allow Bulk Adding Internal Users on UI
5. Internal Users Page - Allow sorting users by ‘created at’
6. Virtual Keys Page - Allow searching for UserIDs on the dropdown when assigning a user to a team See PR
7. Virtual Keys Page - allow creating a user when assigning keys to users See PR
8. Model Hub Page - fix text overflow issue See PR
9. Admin Settings Page - Allow adding MSFT SSO on UI
10. Backend - don't allow creating duplicate internal users in DB

Helm

1. support ttlSecondsAfterFinished on the migration job - See PR
2. enhance migrations job with additional configurable properties - See PR

Logging / Guardrail Integrations

1. Arize Phoenix support
2. ‘No-log’ - fix ‘no-log’ param support on embedding calls

Performance / Loadbalancing / Reliability improvements

1. Single Deployment Cooldown logic - Use allowed_fails or allowed_fail_policy if set Start here

General Proxy Improvements

1. Hypercorn - fix reading / parsing request body
2. Windows - fix running proxy in windows
3. DD-Trace - fix dd-trace enablement on proxy

Complete Git Diff

View the complete git diff here.