Release Notes · August 2026

Xinference 3.3

Token Router intelligent routing, a unified Anthropic Messages protocol adapter, world model generation, and a large wave of new models — a focused upgrade on the 3.2 foundation.

🧭 Token Router 🔌 Anthropic Messages 🌍 World Models 🧩 New Models

What's New

Highlights

🧭

Token Router

Token-aware virtual model routing with a tokenizer asset registry, Agent-based orchestration, and full observability.

  • • Token-aware virtual model routing
  • • Tokenizer asset registry
  • • Router management UI & observability
🔌

Anthropic Messages

A unified Anthropic Messages protocol adapter that can be routed through virtual models.

  • • Unified protocol adapter
  • • Routed via virtual models
  • • Virtual model running details
🌍

World Models & Multi-Engine

World model generation lands alongside multi-engine audio and video with MLX support.

  • • World model generation
  • • Multi-engine audio & video
  • • Media seed controls
🧩

New Models

Qwen3.8, DeepSeek V4 Flash, Ornith-1.5, glm-5.2, Kimi-K3, GLM-Image, Krea 2 and many more.

  • • Qwen3.8, Kimi-K3, glm-5.2
  • • Ornith-1.5-35B-A3B / 397B
  • • GLM-Image, Ideogram4, Krea 2

Open Source

Community Edition

Installation

pip

pip install 'xinference==3.3.0'

Docker

docker pull xprobe/xinference:latest

✨ New Features

  • jina-reranker-m0 rerank model
  • WebUI shows downloaded file sizes
  • qwen3.8-27B and complete Qwen3.8 support
  • WebUI IndexTTS emotion controls
  • Multi-engine audio with MLX models
  • minimax music3 model
  • MiniMax-H3 Lightning LoRA
  • FireRedTTS3 audio support
  • DeepSeek V4 Flash 0731 registration
  • Ideogram4, SenseNova U1.5, HiDream-O1, GLM-Image & Krea 2 image models
  • Token-aware virtual model routing
  • Tokenizer asset registry with a bundled DeepSeek V4 asset
  • Media seed controls and dimension swap
  • Token Router management UI
  • Agent-based Router orchestration
  • Ornith-1.5-35B-A3B and Ornith-1.5-397B
  • Token Router observability
  • Router Agent and cluster management UI
  • Unified Anthropic Messages protocol adapter, routable via virtual models
  • glm-5.2 and Kimi-K3 model support
  • Secure per-launch virtualenv find-links, incl. the Jina flash-attn wheel
  • Per-launch virtualenv find-links in the UI
  • Expose virtual model running details
  • ACE-Step 1.5 music generation
  • World model generation support
  • Replica config in the launch CLI and Web UI
  • Configurable dynamic replica scale-up
  • Persistent system settings management
  • NaviDC-OCR with Transformers and vLLM
  • WeMM-Embedding support
  • Breeze-TTS-2 support
  • Show full paths on hover

🛠 Enhancements

  • Updated model configs (rerank / video)
  • Adaptive image previews in the UI
  • VoiceDesign ability exposed on Qwen3-TTS-Voice-Design
  • Multi-engine video support with MLX
  • Configurable speech and music output formats
  • Base64 video input in vLLM chat

🐞 Bug Fixes

  • Correct IndexTTS-2.5 runtime dependencies
  • Return playable speech responses
  • Pin DeepDoc transformers to >=4.51,<5 for OCR launches
  • Auto-size launch model dropdowns and include the scrollbar in width
  • Guard missing/invalid usage in non-stream chat metrics
  • Calculate download progress per file
  • Validate LLM metadata before packaging
  • Refine autostart transition handling and reset retry attempts
  • Wait reliably for metrics exporter startup
  • Make worker supervisor reconnection generation-safe
  • Harden the batch processor against cancellation and unexpected exits
  • Normalize distributed worker count
  • Preserve DeepSeek V4 tool argument types
  • vLLM: handle engine death during async iteration; block size 256 for DeepSeek V4
  • Map Qwen3.8 top-level reasoning effort
  • Pin Qwen Layered dependencies
  • Fully remove downloaded models from cache
  • Reschedule autostart when the last replica or whole worker dies
  • Honor configured sources in post-install hooks
  • Clarify Token Router identifiers and harden running-model and detail views
  • Separate runtime and backend credentials; stabilize managed runtime identity
  • Support Hugging Face cache roots in auto-fill
  • Stabilize MLX runtime dependencies and locks
  • Declare the Token Router installation extra
  • Skip cache status update when the cache tracker ref is None
  • Preserve available model download hubs
  • Classify OvisOCR2 as OCR
  • Stabilize HY-WorldPlay runtime and progress reporting
  • Restore GPU and aarch64 Docker builds
  • Repair pypiserver platform dependencies

📚 Documentation

  • Add v3.2.0 to the release notes index and locale catalogs
  • CI: skip GPU tests for video and flexible model changes
  • Router: remove legacy Agent compatibility
  • Refresh the built-in model catalog and skip draft CI