diff --git a/README.md b/README.md
index ac31cad1..24081c22 100644
--- a/README.md
+++ b/README.md
@@ -5,19 +5,24 @@ A unified, high-performance LLM proxy gateway built in Go. It provides OpenAI-co
 ## Features
 
 - **Unified API:** OpenAI-compatible `/v1/chat/completions`, `/v1/images/generations`, `/v1/responses`, and `/v1/models` endpoints.
-  - The `/v1/responses` endpoint (OpenAI Responses API) is currently supported for OpenAI models only. Non-OpenAI providers (Gemini, DeepSeek, Moonshot, Grok, Ollama) return a "not supported" response.
+  - The `/v1/responses` endpoint (OpenAI Responses API) is currently supported for OpenAI models only. Non-OpenAI providers (Gemini, DeepSeek, Moonshot, Grok, Ollama, Xiaomi) return a "not supported" response.
 - **Multi-Provider Support:**
   - **OpenAI:** GPT-4o, GPT-4o Mini, GPT-5, GPT-5.4, o1/o3/o4 reasoning models, DALL-E 2/3 image generation.
   - **Google Gemini:** Gemini 2.5 Flash/Pro, Gemini 3 Flash/Pro previews, Imagen 3 image generation.
   - **DeepSeek:** DeepSeek Chat, Reasoner, V4 Flash, V4 Pro.
   - **Moonshot:** Kimi K2.5, K2.6 reasoning models.
   - **xAI Grok:** Grok-3, Grok-4, Grok-4.3 reasoning models.
+  - **Xiaomi MiMo:** MiMo v2.5 models.
   - **Ollama:** Local LLMs running on your network.
 - **Observability & Tracking:**
   - **Asynchronous Logging:** Non-blocking request logging to SQLite using background workers.
   - **Token Counting:** Precise estimation and tracking of prompt, completion, and reasoning tokens.
   - **Database Persistence:** Every request logged to SQLite for historical analysis and dashboard analytics.
-  - **Streaming Support:** Full SSE (Server-Sent Events) support for all providers.
+  - **Streaming Support:** Full SSE (Server-Sent Events) support with `X-Accel-Buffering: no` for unbuffered, low-latency streaming.
+- **High Performance & Thread Safety:**
+  - **Connection Pooling:** Shared HTTP transport with connection pooling (`MaxIdleConns: 200`), TCP keep-alives, and HTTP/2 multiplexing across all provider drivers.
+  - **In-Memory Token Caching:** In-memory `sync.Map` TTL caching (10s valid, 2s negative cache) for client token authentication to eliminate SQLite bottlenecking.
+  - **Thread-Safe Core:** Full RWMutex locking across provider maps, model registry lookups, and router reloads.
 - **Multimodal (Vision):** Image processing (Base64 and remote URLs) across compatible providers.
 - **Image Generation:** DALL-E 2/3 (OpenAI) and Imagen 3 (Gemini) via OpenAI-compatible `/v1/images/generations` endpoint.
 - **Automatic Model Routing:**