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Krrish Dholakia
Ishaan Jaffer

v1.63.0 fixes Anthropic 'thinking' response on streaming to return the signature block. Github Issue

It also moves the response structure from signature_delta to signature to be the same as Anthropic. Anthropic Docs

Diff​

"message": {
    ...
    "reasoning_content": "The capital of France is Paris.",
    "thinking_blocks": [
        {
            "type": "thinking",
            "thinking": "The capital of France is Paris.",
-            "signature_delta": "EqoBCkgIARABGAIiQL2UoU0b1OHYi+..." # 👈 OLD FORMAT
+            "signature": "EqoBCkgIARABGAIiQL2UoU0b1OHYi+..." # 👈 KEY CHANGE
        }
    ]
}

Krrish Dholakia
Ishaan Jaffer
info

v1.61.20-stable will be live on 2025-02-04.

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:

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.