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Latest from Bilibili Tech

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Bilibili Tech

Aug 17, 2026 · Artificial Intelligence

IndexTTS 2.5 Enables Cross‑Language Voice Synthesis with Zero‑Sample Multilingual Support

IndexTTS 2.5 adds zero‑sample voice cloning for Chinese, English, Japanese, Spanish and Arabic, doubles inference speed, introduces flexible speech‑rate control, and improves emotion and timbre fidelity, with detailed benchmarks and a systematic multilingual modeling study supporting its design choices.

Emotion TransferMultilingual TTSSpeech Synthesis

0 likes · 10 min read

IndexTTS 2.5 Enables Cross‑Language Voice Synthesis with Zero‑Sample Multilingual Support

Bilibili Tech

Jul 24, 2026 · Artificial Intelligence

Geometry‑Aware, Training‑Free Acceleration of Diffusion Transformer Sampling (CVPR 2026 Highlight)

GeoRK2 introduces a training‑free, plug‑and‑play framework that combines second‑order Runge‑Kutta integration with low‑rank geometric correction of diffusion Transformers, enabling 4‑5× faster image, text‑to‑image, and video generation while preserving high visual quality and stability.

Geometry-Aware SamplingPlug-and-PlayRunge-Kutta

0 likes · 17 min read

Geometry‑Aware, Training‑Free Acceleration of Diffusion Transformer Sampling (CVPR 2026 Highlight)

Bilibili Tech

Jul 1, 2026 · Artificial Intelligence

FATE Series (SABER & CASTER) Debuts at ACL 2026: Advanced LLM Reasoning

At ACL 2026 in San Diego, Bilibili’s tech team introduced the FATE series—SABER, which reduces overthinking in LLMs with a token‑budgeted switchable training, and CASTER, a community‑aware evaluation system built on Social‑CoT and the MEDEA framework that outperforms GPT‑5.2 and Claude‑4.5‑Opus on the new CASTER‑Bench, while also promoting the B‑UP talent recruitment program.

LLMMultimodal EvaluationSocial CoT

0 likes · 10 min read

FATE Series (SABER & CASTER) Debuts at ACL 2026: Advanced LLM Reasoning

Bilibili Tech

Jun 17, 2026 · Artificial Intelligence

LeAP: Precise Model Slimming with Learnable Adaptive Permutation for Feature Selection

LeAP replaces costly permutation‑based feature importance with an end‑to‑end learnable module that shuffles features, applies adaptive gradient‑bias regularization, and achieves state‑of‑the‑art sparsity and inference speedups on large‑scale recommender models.

Deep LearningLEAPadaptive permutation

0 likes · 13 min read

LeAP: Precise Model Slimming with Learnable Adaptive Permutation for Feature Selection

Bilibili Tech

Jun 12, 2026 · Artificial Intelligence

A New UGC Video Evaluation Paradigm Built on 17 Billion Real User Interactions

The paper introduces CASTER, a multimodal AI system that uses Social‑CoT reasoning and the MEDEA framework to simulate diverse audience reactions, benchmarked on the large‑scale CASTER‑Bench dataset, and demonstrates superior performance over GPT‑5.2, Claude‑4.5‑Opus, and traditional VQA methods while already being deployed on Bilibili.

Community resonanceSocial CoTUGC video evaluation

0 likes · 9 min read

A New UGC Video Evaluation Paradigm Built on 17 Billion Real User Interactions

Bilibili Tech

May 27, 2026 · Artificial Intelligence

How to Use A2UI + Vue to Enable Large Models to Generate Interactive Interfaces

This article details how a unified AI assistant framework built for Bilibili's advertising business evolves from plain text output to generating fully interactive UI by leveraging Google’s A2UI protocol, a custom Vue renderer, double‑validation mechanisms, SSE dual‑channel streaming, and a wrapper component system, providing concrete examples and architectural diagrams.

A2UIGenerative UILLM

0 likes · 17 min read

How to Use A2UI + Vue to Enable Large Models to Generate Interactive Interfaces

Bilibili Tech

May 15, 2026 · Frontend Development

Building an AI‑Powered Frontend Development Workflow with Bili‑FE

This article details how the Bili‑FE team evolved prompt engineering into a Harness Engineering workflow, creating a structured .workflow knowledge base and a series of AI‑driven commands that automate the entire frontend development lifecycle from requirement preprocessing to testing and mock generation.

AIAutomationMCP

0 likes · 20 min read

Building an AI‑Powered Frontend Development Workflow with Bili‑FE

Bilibili Tech

Apr 14, 2026 · Artificial Intelligence

Can 10% of Instruction Data Match Full-Scale Fine-Tuning? The SPICE Solution

The SPICE method leverages Fisher Information Matrix submodularity and a novel gradient‑conflict penalty to select a small, high‑quality subset of instruction‑tuning data, achieving comparable or superior performance to full‑data fine‑tuning while dramatically reducing training cost.

Fisher informationGradient ConflictInstruction Tuning

0 likes · 13 min read

Can 10% of Instruction Data Match Full-Scale Fine-Tuning? The SPICE Solution

Bilibili Tech

Mar 31, 2026 · Artificial Intelligence

Can AI Generate Real‑Time, Editable Motion Graphics? Inside Neon Vibe Motion

This article examines Neon Vibe Motion, an open‑source platform that lets users describe motion effects in natural language, uses LLMs to generate executable Canvas/WebGL code with adjustable parameters, and details the architecture, workflow, prompt engineering, and export options that enable real‑time, controllable motion graphics.

AI motion graphicsCanvas 2DLLM code generation

0 likes · 25 min read

Can AI Generate Real‑Time, Editable Motion Graphics? Inside Neon Vibe Motion

Bilibili Tech

Mar 12, 2026 · Frontend Development

Turning Canvas Snapshots into Real Video Cards with ProseMirror

This article recounts Bilibili’s evolution from using Canvas‑based screenshot tricks to render video cards in the Quill editor to adopting ProseMirror with Tiptap, detailing the technical debt, the new schema and NodeView architecture, performance optimizations, batch link validation, and strategies for backward compatibility and real‑time interactive components.

ProseMirrorfrontendperformance

0 likes · 17 min read

Turning Canvas Snapshots into Real Video Cards with ProseMirror