Reasoning

Why it stands out

A controlled or automatic disclosure reveals streamed reasoning text and Markdown content. Prompt Kit by Julien Thibeaut (ibelick) and contributors. Core source: https://github.com/ibelick/prompt-kit/blob/5a9496635cc0e1bf7679fe2a9e35d9b36b99c08a/components/prompt-kit/reasoning.tsx Recorded example: https://github.com/ibelick/prompt-kit/blob/5a9496635cc0e1bf7679fe2a9e35d9b36b99c08a/app/docs/reasoning/reasoning-basic.tsx Actual component implementation and authored documentation example rendered locally with system fonts and the source stylesheet. No external AI/API service is connected; streaming, tool results and submissions are illustrative local demo state. MIT License Copyright (c) 2025 Julien Thibeaut Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. app/page.tsx Upstream dependency notices and credits: Vercel AI SDK Cookbook: documented/adapted memoized Markdown block technique and implementation; Apache-2.0. Copyright 2023 Vercel, Inc. License: https://github.com/vercel/ai/blob/main/LICENSE Lucide Icons / Feather contributors: icon package dependency; ISC; listed Feather-derived icons MIT. License: https://github.com/lucide-icons/lucide/blob/main/LICENSE shadcn: adapted UI primitive dependency; MIT. Copyright (c) 2023 shadcn License: https://github.com/shadcn-ui/ui/blob/main/LICENSE.md This listing distributes a rendered recording and upstream source links. Full dependency licenses are retained with the audit; no executable/source bundle is rehosted. Documentation maps 2 examples to this canonical core; all variants are inventoried separately. Markdown memoization credit: Vercel AI SDK Cookbook, Copyright 2023 Vercel, Inc.; Apache License 2.0. https://github.com/vercel/ai/blob/main/LICENSE . The unabridged license is retained in the audit.