--- title: "#gpt articles | Hashnode" description: "Explore 310 articles tagged #gpt on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/gpt" --- Tag # #gpt 310 posts · 69 followers [Pratyush Ranjan](https://hashnode.com/@pratyushranjan02) · [Oct 26](https://hashnode.com/posts/kv-cache-optimisation-in-ai-inference/6adf5f5e5bb6fa9a24a51c06) ### [KV Cache Optimisation in AI Inference](https://ai-inference-pratyush.hashnode.dev/kv-cache-optimisation-in-ai-inference?utm_source=hashnode&utm_medium=feed) Learn how the KV cache speeds up LLM inference. We build a small GPT in PyTorch and benchmark cached vs uncached generation: a 4.5x speedup. 8 min read · [ai-inference-pratyush.hashnode.dev](https://ai-inference-pratyush.hashnode.dev/kv-cache-optimisation-in-ai-inference?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/kv-cache-optimisation-in-ai-inference/6adf5f5e5bb6fa9a24a51c06) [江流石](https://hashnode.com/@jliushi) · [Oct 23](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-counts-lines-of-code-in-your-project/6adb28256e7d4363c6e9b2fc) ### [GPT-6.1 Sol Is Free on Codex: Build a CLI That Counts Lines of Code in Your Project](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-counts-lines-of-code-in-your-project?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. Small project: a script that tells you how many lines of code your project has, split by language. 1. Get a key Sol is on AgentRouter. A GitHub account at 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-counts-lines-of-code-in-your-project?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 23](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-pulls-the-text-out-of-pdf-files/6adaef667ef20a4cd5d14f05) ### [GPT-6.1 Sol Is Free on Codex: Build a CLI That Pulls the Text Out of PDF Files](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-pulls-the-text-out-of-pdf-files?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. Small project: turn a folder of PDFs into plain .txt files you can search, copy from, or paste into a chat. 1. Get a key Sol is on AgentRouter. A GitHub a 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-pulls-the-text-out-of-pdf-files?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 22](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-converts-iphone-heic-photos-to-jpg/6ada0f5edf2785cca8b84105) ### [GPT-6.1 Sol Is Free on Codex: Build a CLI That Converts iPhone HEIC Photos to JPG](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-converts-iphone-heic-photos-to-jpg?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. Small project: iPhone photos come off the phone as .HEIC, and lots of websites and Windows apps won't open them. A short script can turn a whole folder in 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-converts-iphone-heic-photos-to-jpg?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 22](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-renames-photos-by-the-date-they-were-taken/6ad9d5685d1659722f36fca7) ### [GPT-6.1 Sol Is Free on Codex: Build a CLI That Renames Photos by the Date They Were Taken](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-renames-photos-by-the-date-they-were-taken?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. Small project: your phone photos are named IMG\_4821.JPG, IMG\_4822.JPG and so on. A short script can rename them to 2026-10-03\_14-22-10.jpg using the date 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-renames-photos-by-the-date-they-were-taken?utm_source=hashnode&utm_medium=feed) [jackbl](https://hashnode.com/@jackbl) · [Oct 22](https://hashnode.com/posts/one-key-for-gpt-claude-gemini-and-300-models-openai-compatible-api-at-tryallapi-com/6ad9ccadcc168be242e3534f) ### [One Key for GPT, Claude, Gemini and 300+ Models: OpenAI-Compatible API at tryallapi.com](https://tryallapi.hashnode.dev/one-key-for-gpt-claude-gemini-and-300-models-openai-compatible-api-at-tryallapi-com?utm_source=hashnode&utm_medium=feed) What is TryAllAPI? If you ship LLM features for a living, you already know the pain: one Key for OpenAI, another for Claude, another for Gemini, plus scattered SDKs, billing dashboards, and region hea 5 min read · [tryallapi.hashnode.dev](https://tryallapi.hashnode.dev/one-key-for-gpt-claude-gemini-and-300-models-openai-compatible-api-at-tryallapi-com?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 21](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-fixes-out-of-sync-subtitles/6ad8bd73ed764a58917b0023) ### [GPT-6.1 Sol Is Free on Codex: Build a CLI That Fixes Out-of-Sync Subtitles](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-fixes-out-of-sync-subtitles?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. Small project: subtitles that show up 2 seconds too early or late. A short script can shift every timestamp in an .srt file. 1. Get a key Sol is on AgentR 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-cli-that-fixes-out-of-sync-subtitles?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 21](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-broken-link-checker-for-your-markdown-files/6ad84cdf1cf91b5be0870d33) ### [GPT-6.1 Sol Is Free on Codex: Build a Broken Link Checker for Your Markdown Files](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-broken-link-checker-for-your-markdown-files?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit. A good first project: a command that reads your README or docs folder and lists every link that's dead. Small, and you'll actually use it. 1. Get a key So 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-broken-link-checker-for-your-markdown-files?utm_source=hashnode&utm_medium=feed) [江流石](https://hashnode.com/@jliushi) · [Oct 20](https://hashnode.com/posts/gpt-6-1-sol-is-free-on-codex-build-a-disk-usage-cli-that-finds-your-biggest-folders/6ad76d5c439165875b1aae9a) ### [GPT-6.1 Sol Is Free on Codex: Build a Disk Usage CLI That Finds Your Biggest Folders](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-disk-usage-cli-that-finds-your-biggest-folders?utm_source=hashnode&utm_medium=feed) GPT-6.1 Sol is free to use on sign-up credit, so here's a small project to try it on: a script that tells you which folders are eating your disk. No extra installs, just Python. 1. Get a key Sol is li 2 min read · [jliushi.hashnode.dev](https://jliushi.hashnode.dev/gpt-6-1-sol-is-free-on-codex-build-a-disk-usage-cli-that-finds-your-biggest-folders?utm_source=hashnode&utm_medium=feed) [SmophyAI](https://hashnode.com/@smophyai) · [Oct 9](https://hashnode.com/posts/gpt-6-astra-vs-claude-fable-5-1-same-token-price-different-api-bills/6ac92449adbe4e906ae22d1b) ### [GPT-6 Astra vs Claude Fable 5.1: Same Token Price, Different API Bills](https://smophyai.hashnode.dev/gpt-6-astra-vs-claude-fable-5-1-same-token-price-different-api-bills?utm_source=hashnode&utm_medium=feed) Cache rates, a 272K surcharge and token efficiency decide which model costs less for your workload. 4 min read · [smophyai.hashnode.dev](https://smophyai.hashnode.dev/gpt-6-astra-vs-claude-fable-5-1-same-token-price-different-api-bills?utm_source=hashnode&utm_medium=feed)