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A step-by-step visual explanation of the HNSW algorithm, from graph construction to search, for practitioners diving into vector retrieval internals.
- HNSW
- 向量检索
- 算法可视化
- 近似最近邻
Bloomberg reports that Chinese AI startup DeepSeek has paused its second fundraising round, informing prospective investors that no agreements will be signed for now.
- DeepSeek
- fundraising
- AI startup
The author built a blind test platform where users compare design outputs from Claude and Codex without knowing which model produced which, aiming for an objective evaluation.
- Claude
- codex
- blind test
- design evaluation
Bloomberg reports DeepSeek has paused its second fundraising round; Reuters previously reported a potential IPO on Shanghai's STAR Market. The pause may affect IPO plans.
- DeepSeek
- IPO
- fundraising
The author shares how they drastically reduced Claude and Codex API costs by optimizing call strategies, using caching, and batching.
- Claude
- codex
- cost saving
- Discussion
24 hours with Fable 5 vs Opus 5: both excellent, but very different personalities
Published Jul 25, 2026A developer shares hands-on experience after ~24 hours of coding with Fable 5 and Opus 5: code quality is top-notch, but Fable 5 excels at open-ended prompts and pushes back when needed, while Opus 5 tends to follow instructions even when a better path exists.
- Claude
- coding
- comparison
- Fable 5
- Opus 5
Google clarifies that Gemma 4 models have been downloaded over 300M times, and the entire Gemma open model series has surpassed 900M downloads, highlighting the popularity of the open ecosystem.
- Gemma
- Gemma 4
- downloads
- News
First in-depth interview with Sam Altman: From startups to singularity, behind OpenAI
Published Jul 25, 2026The interview covers startup methods, trusting exponentials, operating in chaotic environments, creating abundant intelligence, AI authoritarianism vs liberty, life after ChatGPT launch, Codex growth, shutting down Sora to focus on Codex, and more.
- AI
- OpenAI
- Startup
- interview
- Sam Altman
User found solar panel malfunction, company quoted minimum $500 visit. Following Grok's step-by-step guidance, they checked wiring and reconfigured the system, got it working again, saving over a year of Grok subscription cost.
- Grok
- troubleshooting
- cost saving
- DIY
- solar panel
One observer notes that Google is uniquely indifferent to which layer of the AI stack wins value. With market share in infrastructure (TPUs, Cloud), models (Gemini), and applications (G Suite, Waymo, YouTube), Google stands to win regardless.
- Gemini
- strategy
- AI stack
- TPU
- cloud