[KongchangAI]

All articles

38472 articles

User Embeddings Are Sparse Superpositions of Interpretable Behavioral Patterns
·2 min

User Embeddings Are Sparse Superpositions of Interpretable Behavioral Patterns

New research on user embedding interpretability: user embeddings are sparse superpositions of interpretable behavioral patterns, recovered and named automatically via SAEs, enabling zero-shot audience retrieval. Post-hoc and model-agnostic.

Read more →
XStack Benchmark: A Touchstone for Cross-Framework ML Code Migration
·2 min

XStack Benchmark: A Touchstone for Cross-Framework ML Code Migration

XStack is a benchmark for evaluating agents migrating ML codebases between PyTorch and JAX. Claude Opus 5 passes 75%, GPT-5.6-sol 45%, others at most 40%. Learn the details and significance of this cross-framework challenge.

Read more →
How Token Caching Can Save You 98% on Your DeepSeek Bill
·1 min

How Token Caching Can Save You 98% on Your DeepSeek Bill

The root cause of DeepSeek API bills varying by dozens of times lies in token cache hit rates. This article breaks down LLM input/output pricing, disk caching, and the 1/50 price gap, with practical money-saving strategies.

Read more →
Token-Saving Memory Plugin Sick Memory: Just ¥0.9 per Day
·3 min

Token-Saving Memory Plugin Sick Memory: Just ¥0.9 per Day

Bilibili creator 大肥鱼呀 introduces Sick Memory, a memory plugin using a unified hub, relevance-ranked memory, and Dream organization to let AI characters remember you selectively with evidence, cutting the token cost of reloading old content—about ¥0.9 per day.

Read more →
Always Running Out of Tokens? This Five-Layer Methodology Saves You Real Money
·4 min

Always Running Out of Tokens? This Five-Layer Methodology Saves You Real Money

Tokens getting expensive? This five-layer optimization methodology covers streamlined input, model tiering, context bloat control, cache reuse, and systematic measurement, plus open-source tools like kintestmode and CodeGraph and a 30-second self-check list.

Read more →
OpenAI Abandons Data Center NDAs: A Key Step Toward Rebuilding Community Trust
·1 min

OpenAI Abandons Data Center NDAs: A Key Step Toward Rebuilding Community Trust

OpenAI announces it will no longer sign NDAs with public officials for data center projects, responding to midterm voter opposition. This article analyzes the policy shift's industry impact and significance for rebuilding community trust.

Read more →
Bypassing DeepSeek Detection: Sneaky Reverse-Proxy Tricks to Avoid Bans and Their Risks
·2 min

Bypassing DeepSeek Detection: Sneaky Reverse-Proxy Tricks to Avoid Bans and Their Risks

A Bilibili creator shares a DeepSeek reverse-proxy scheme to avoid bans: evading XML tags, using a single English word as trigger, and registering with overseas emails. This article breaks down the technical approach, Harness integration results, and the real risks of this "unlimited tokens" game in terms of rule confrontation, account stability, and compliance.

Read more →
4 Must-Have Plugins for Saving Tokens in DSH — Stop Installing Blindly
·2 min

4 Must-Have Plugins for Saving Tokens in DSH — Stop Installing Blindly

A detailed guide to 4 must-have DSH token-saving plugins: DSH Shops shortens tool output, Billion Context compresses early context, Vision Router converts images to text, and Thinking Levels auto-adjusts thinking depth — plus backup and verification tips before installing.

Read more →
Retested 51 Times: DeepSeek Harness Token-Saving Plugins — Use Them Right and Save Half, Use Them Wrong and Pay More
·4 min

Retested 51 Times: DeepSeek Harness Token-Saving Plugins — Use Them Right and Save Half, Use Them Wrong and Pay More

51 test runs of three DeepSeek Harness token-saving plugins: Ops saves half only in PTC mode, Flash Presets saves ~20% via rules, Billion Context saves context space but not money. Includes selection guide and pitfalls.

Read more →
QQ Bot Burning Through Tokens Too Fast? Engineering Layering and Cost-Saving Tips
·2 min

QQ Bot Burning Through Tokens Too Fast? Engineering Layering and Cost-Saving Tips

QQ bot burning tokens too fast? Bilibili creator Da Fei Yu shares an engineering layering solution: separate deep and shallow memory, switch to coding plans, and add basic RAG—estimated to save 10x to 100x tokens.

Read more →
AstrBot Plugin in Practice: Advanced Optimization Strategies to Drastically Cut Token Consumption
·2 min

AstrBot Plugin in Practice: Advanced Optimization Strategies to Drastically Cut Token Consumption

A Bilibili creator shares advanced AstrBot plugin optimizations: context window compression, shallow/deep memory separation, on-demand story packs, group chat read frequency control, and non-reasoning judgment mode to drastically cut token consumption.

Read more →
LangChain 1.3 Systematic Tutorial: Hands-On RAG/Agent/MCP/LangGraph in Practice
·3 min

LangChain 1.3 Systematic Tutorial: Hands-On RAG/Agent/MCP/LangGraph in Practice

Bilibili creator Loulan's LangChain 1.3 systematic tutorial covers architecture fundamentals, RAG, Agent, MCP, and LangGraph multi-agent projects, emphasizing systems and practice over tools and theory to build transferable AI development skills.

Read more →

Cult.fit Uses Codex to Build Operation…

·2 min

Cult.fit Uses Codex to Build Operational Tools, Accelerating Cross-Functional Teams

Cult.fit is using OpenAI Codex to help cross-functional teams build internal tools, speed up work pace, and change how they work. This article analyzes implementation scenarios, value, and governance boundaries of cross-functional AI programming.

Read more →
Google Releases Gemini Omni 1.2 Flash: 15-Second AI Video at $0.07 per Second
·2 min

Google Releases Gemini Omni 1.2 Flash: 15-Second AI Video at $0.07 per Second

Google releases Gemini Omni 1.2 Flash video generation model with native 15-second clips and multi-turn conversational editing, cutting 720p pricing 30% to $0.07 per second.

Read more →
Ollama v0.40.15 Released: Adds Kimi Code CLI Support
·1 min

Ollama v0.40.15 Released: Adds Kimi Code CLI Support

Ollama v0.40.15 released, adding Kimi Code CLI support to cmd/launch, commit #19506 GPG-verified. This article covers the update's impact on AI coding workflows and version verification details.

Read more →
OpenAI Recruits Dwarkesh to Design Evals? Benchmark Methodology Sparks Discussion
·2 min

OpenAI Recruits Dwarkesh to Design Evals? Benchmark Methodology Sparks Discussion

OpenAI staff publicly praised a benchmark's methodology and invited Dwarkesh Patel to design evals. This article explains why eval design has become a key link in AI competition and a new path for talent mobility.

Read more →
Anthropic IPO at $1.5 Trillion? Why Major Investors Are Skeptical
·2 min

Anthropic IPO at $1.5 Trillion? Why Major Investors Are Skeptical

Anthropic's IPO is being discussed at a $1.5 trillion valuation, but major investors are skeptical. This article analyzes the gap between valuation and fundamentals, AI lab revenue-cost structures, and what public market pricing logic signals for AI companies.

Read more →
Nasdaq Erases $2.5 Trillion: The 'Blue Wave' Triggers AI Panic
·2 min

Nasdaq Erases $2.5 Trillion: The 'Blue Wave' Triggers AI Panic

Nasdaq market cap evaporates $2.5 trillion as the 'blue wave' political shift sparks market panic over AI regulation and policy outlook. This article analyzes the policy expectation changes behind the sell-off, the fragility of the AI narrative, and implications for investors and practitioners.

Read more →