Tencent

Items

1. Oct 8

   Manus raises over $500M

   Butterfly Effect, parent of AI-agent developer Manus, closed its first round since Beijing forced the unwinding of Meta's ~$2B acquisition, co-led by Boyu Capital and IDG Capital with Tencent participating, at a reported ~$4B valuation.

2. Aug 15

   Tencent's FlashPrefill V2 sparse prefill backend

   A production-ready block-sparse prefill-attention backend with FlashAttention-3/4-aligned kernels, FP8, and paged-KV continuous batching reaches up to 47.3x speedup over FlashAttention-2 at 128K context and 30.5x over a dense FP8 baseline on H20 GPUs.

3. Jul 10

   Tencent Hunyuan's TurnOPD

   Turn-aware on-policy distillation for long-horizon agents, using adaptive rollout-depth budgets and a progressive turn-normalized loss, improves the accuracy-versus-wall-clock frontier over vanilla OPD on ALFWorld, WebShop, and Multi-Hop Search.

4. Jun 2

   GAIS turns MCP servers into training environments

   Grounded Interaction Synthesis converts real Model Context Protocol servers into executable Python environments and plans tasks around deep inter-tool dependencies, letting base Qwen3 models trained on the data match or beat their official instruction-tuned versions on BFCL, τ²-Bench, and ACEBench.