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41554 blogs · [ { "id": "01a0d4b1-e54c-7069-a992-6e21f60feb30", "title": "OpenAI Codex Is Retiring the Last Model that Behaves Like an Assistant", "url": "https://www.vincentschmalbach.com/gpt-5-5-retirement-codex/", "published_at": "2026-09-21T12:41:30+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f6cb7506", "title": "ChatGPT Plus and Pro Will Get Ads in 2027", "url": "https://www.vincentschmalbach.com/chatgpt-plus-and-pro-will-get-ads-in-2027/", "published_at": "2026-09-21T12:34:11+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f6f4737b", "title": "The Economic Incentives Behind the Push to Pause AI", "url": "https://www.vincentschmalbach.com/economic-incentives-behind-the-push-to-pause-ai/", "published_at": "2026-09-21T08:40:32+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f7a113d8", "title": "The Cost of AI Is Now My Main Blocker", "url": "https://www.vincentschmalbach.com/cost-of-ai-is-now-my-main-blocker/", "published_at": "2026-09-18T07:53:11+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f814a60c", "title": "Why I Am Bullish on ChatGPT Ads", "url": "https://www.vincentschmalbach.com/why-i-am-bullish-on-chatgpt-ads/", "published_at": "2026-09-17T07:11:39+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f8baf399", "title": "We Urgently Need a New Major Search Engine", "url": "https://www.vincentschmalbach.com/we-urgently-need-a-new-major-search-engine/", "published_at": "2026-09-17T06:33:47+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f946c81b", "title": "Setting Up Pi With DeepSeek V4.1 Flash on OpenRouter", "url": "https://www.vincentschmalbach.com/pi-deepseek-v4-1-flash-openrouter-setup/", "published_at": "2026-09-16T16:16:28+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21f9a59ca0", "title": "Inference Is the Last LLM Moat", "url": "https://www.vincentschmalbach.com/inference-is-the-last-llm-moat/", "published_at": "2026-09-16T03:47:58+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21fa9c8149", "title": "Built-In Tools vs Custom Tools in LLM Agents", "url": "https://www.vincentschmalbach.com/built-in-tools-vs-custom-tools-llm-agents/", "published_at": "2026-09-15T13:25:21+00:00" }, { "id": "01a0d4b1-e54c-7069-a992-6e21fb57c281", "title": "My First Week With GPT-6 Astra", "url": "https://www.vincentschmalbach.com/gpt-6-astra-first-week/", "published_at": "2026-09-13T09:49:10+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51494b41261", "title": "Hetzner’s Cheap Cloud Tier Is Unavailable After Two Price Increases", "url": "https://www.vincentschmalbach.com/hetzner-cheap-cloud-unavailable-price-increases/", "published_at": "2026-09-10T05:34:03+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51494be03ef", "title": "How Floating-Point Determinism Affects LLM Reproducibility", "url": "https://www.vincentschmalbach.com/floating-point-determinism-llm-reproducibility/", "published_at": "2026-08-11T11:25:55+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b5149536f704", "title": "Can Provider Routing Change LLM Outputs?", "url": "https://www.vincentschmalbach.com/provider-routing-change-llm-outputs/", "published_at": "2026-08-11T11:25:55+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51496191ab3", "title": "How Model Updates Break LLM Reproducibility", "url": "https://www.vincentschmalbach.com/model-updates-break-llm-reproducibility/", "published_at": "2026-08-11T11:25:54+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b514968eadfa", "title": "What Is a System Fingerprint in LLM APIs?", "url": "https://www.vincentschmalbach.com/system-fingerprint-llm-apis/", "published_at": "2026-08-11T11:25:54+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b514969a8edb", "title": "Is the Same Prompt Always the Same LLM Input?", "url": "https://www.vincentschmalbach.com/same-prompt-same-llm-input/", "published_at": "2026-08-11T11:25:54+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51496c04a9b", "title": "Can Tokenizer Changes Affect LLM Output?", "url": "https://www.vincentschmalbach.com/tokenizer-changes-affect-llm-output/", "published_at": "2026-08-11T11:25:54+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51496dd468e", "title": "How to Test a Nondeterministic LLM Application", "url": "https://www.vincentschmalbach.com/test-nondeterministic-llm-application/", "published_at": "2026-08-11T11:25:54+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51497a15467", "title": "What Is Batch Invariance in LLM Inference?", "url": "https://www.vincentschmalbach.com/batch-invariance-llm-inference/", "published_at": "2026-08-11T09:13:46+00:00" }, { "id": "01a08c5d-689b-73f2-be21-b51497e20852", "title": "How Does Mixture-of-Experts Routing Affect LLM Repeatability?", "url": "https://www.vincentschmalbach.com/mixture-of-experts-routing-llm-repeatability/", "published_at": "2026-08-11T09:13:46+00:00" } ] posts Claim your blog
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2026

OpenAI Codex Is Retiring the Last Model that Behaves Like an Assistantoriginal ↗
21 Sept 2026
ChatGPT Plus and Pro Will Get Ads in 2027original ↗
21 Sept 2026
The Economic Incentives Behind the Push to Pause AIoriginal ↗
21 Sept 2026
The Cost of AI Is Now My Main Blockeroriginal ↗
18 Sept 2026
Why I Am Bullish on ChatGPT Adsoriginal ↗
17 Sept 2026
We Urgently Need a New Major Search Engineoriginal ↗
17 Sept 2026
Setting Up Pi With DeepSeek V4.1 Flash on OpenRouteroriginal ↗
16 Sept 2026
Inference Is the Last LLM Moatoriginal ↗
16 Sept 2026
Built-In Tools vs Custom Tools in LLM Agentsoriginal ↗
15 Sept 2026
My First Week With GPT-6 Astraoriginal ↗
13 Sept 2026
Hetzner’s Cheap Cloud Tier Is Unavailable After Two Price Increasesoriginal ↗
10 Sept 2026
How Floating-Point Determinism Affects LLM Reproducibilityoriginal ↗
11 Aug 2026
Can Provider Routing Change LLM Outputs?original ↗
11 Aug 2026
How Model Updates Break LLM Reproducibilityoriginal ↗
11 Aug 2026
What Is a System Fingerprint in LLM APIs?original ↗
11 Aug 2026
Is the Same Prompt Always the Same LLM Input?original ↗
11 Aug 2026
Can Tokenizer Changes Affect LLM Output?original ↗
11 Aug 2026
How to Test a Nondeterministic LLM Applicationoriginal ↗
11 Aug 2026
What Is Batch Invariance in LLM Inference?original ↗
11 Aug 2026
How Does Mixture-of-Experts Routing Affect LLM Repeatability?original ↗
11 Aug 2026