⚙️
Memory & Context
Custom Instructions
Set persistent, global rules for how the AI should behave or respond across all chats (e.g., always output Python code, or never use emojis).
Which AI has Custom Instructions?
43 of 108 tools in the CanIUse matrix support Custom Instructions. Open a tool-by-feature answer for the exact plan and source.
Which AI tools support this?
| Tool | Status | Notes | Link |
|---|---|---|---|
| 🤖 ChatGPT | Yes | — | Try ChatGPT (opens in a new tab) |
| 🧠 Claude | Yes | — | Try Claude (opens in a new tab) |
| ✨ Google Gemini | Yes | Via Gems (custom AI personas) | Try Google Gemini (opens in a new tab) |
| 🐋 DeepSeek | No | — | Try DeepSeek (opens in a new tab) |
| 🎨 Midjourney | No | Auto populated | Try Midjourney (opens in a new tab) |
| ✏️ Recraft | No | No global instruction setting. | Try Recraft (opens in a new tab) |
| 🖌️ Canva Magic Studio | No | No global instruction setting. | Try Canva Magic Studio (opens in a new tab) |
| 🔥 Adobe Firefly | No | No global instruction setting. | Try Adobe Firefly (opens in a new tab) |
| 🎥 HeyGen | No | No global instruction setting. | Try HeyGen (opens in a new tab) |
| 🎬 Runway | No | No global instruction setting. | Try Runway (opens in a new tab) |
| ⚡ Pika | No | No global instruction setting. | Try Pika (opens in a new tab) |
| 🎙️ ElevenLabs | No | — | Try ElevenLabs (opens in a new tab) |
| 🎧 Descript | No | — | Try Descript (opens in a new tab) |
| 🎵 Suno | No | No global instruction setting. | Try Suno (opens in a new tab) |
| 🎼 Udio | No | No global instruction setting. | Try Udio (opens in a new tab) |
| 🕸️ Graphify | No | No global instruction setting. | Try Graphify (opens in a new tab) |
| 📊 Napkin AI | No | No global instruction setting. | Try Napkin AI (opens in a new tab) |
| 📐 Eraser | No | No global instruction setting. | Try Eraser (opens in a new tab) |
| 💡 Whimsical | No | No global instruction setting. | Try Whimsical (opens in a new tab) |
| 📌 Miro AI | No | No global instruction setting. | Try Miro AI (opens in a new tab) |
| 🔮 Gamma | No | — | Try Gamma (opens in a new tab) |
| 📝 Notion AI | Yes | — | Try Notion AI (opens in a new tab) |
| 📈 Julius AI | Unknown | Not confirmed either way. | Try Julius AI (opens in a new tab) |
| 💻 Cursor | Yes | Project and user Rules (.cursor/rules plus User Rules) inject persistent instructions into Agent. Always Apply, glob, and @-mention rules are documented. | Try Cursor (opens in a new tab) |
| ⚡ v0 | No | Auto populated | Try v0 (opens in a new tab) |
| 🐙 GitHub Copilot | Yes | Via .github/copilot-instructions.md | Try GitHub Copilot (opens in a new tab) |
| 🏄 Windsurf | Yes | Workspace rules files steer the assistant per project. | Try Windsurf (opens in a new tab) |
| 🤖 Microsoft Copilot | No | — | Try Microsoft Copilot (opens in a new tab) |
| 🧠 Grok | No | — | Try Grok (opens in a new tab) |
| 🔍 Perplexity AI | No | — | Try Perplexity AI (opens in a new tab) |
| 🌬️ Mistral AI | No | — | Try Mistral AI (opens in a new tab) |
| 🦙 Meta AI | No | — | Try Meta AI (opens in a new tab) |
| 🦙 Llama | Yes | — | Try Llama (opens in a new tab) |
| 🥧 Pi by Inflection | No | — | Try Pi by Inflection (opens in a new tab) |
| 🎯 Cohere | Yes | — | Try Cohere (opens in a new tab) |
| 🤗 HuggingChat | Yes | System prompt support | Try HuggingChat (opens in a new tab) |
| ❓ Poe by Quora | Yes | — | Try Poe by Quora (opens in a new tab) |
| 👤 Character.AI | Yes | Character persona definition | Try Character.AI (opens in a new tab) |
| ✍️ Jasper | No | — | Try Jasper (opens in a new tab) |
| 🖊️ Writesonic | No | — | Try Writesonic (opens in a new tab) |
| 📝 Copy.ai | Yes | Auto populated | Try Copy.ai (opens in a new tab) |
| 📄 Rytr | Yes | — | Try Rytr (opens in a new tab) |
| 🌍 DeepL | No | Auto populated | Try DeepL (opens in a new tab) |
| 🎨 Krea | No | No global instruction setting. | Try Krea (opens in a new tab) |
| 🖼️ Leonardo.Ai | No | No global instruction setting. | Try Leonardo.Ai (opens in a new tab) |
| 📢 AdCreative.ai | No | — | Try AdCreative.ai (opens in a new tab) |
| 🎥 Sora | No | No global instruction setting. | Try Sora (opens in a new tab) |
| 👨🎤 Synthesia | No | Auto populated | Try Synthesia (opens in a new tab) |
| 🎙️ Murf AI | No | — | Try Murf AI (opens in a new tab) |
| 📹 Fliki | No | — | Try Fliki (opens in a new tab) |
| ✨ Luma Dream Machine | No | No global instruction setting. | Try Luma Dream Machine (opens in a new tab) |
| ⚡ Bolt New | No | Auto populated | Try Bolt New (opens in a new tab) |
| 💖 Lovable | Yes | Auto populated | Try Lovable (opens in a new tab) |
| 🔎 You.com | Yes | — | Try You.com (opens in a new tab) |
| ⬆️ HighLevel | Yes | AI Employee configuration | Try HighLevel (opens in a new tab) |
| ⌨️ Claude Code | Yes, requires pro plan | Project CLAUDE.md, path-scoped rules, and --append-system-prompt steer behavior. | Try Claude Code (opens in a new tab) |
| ☄️ Comet | Unknown | A global assistant-instruction setting was not found in Comet help. | Try Comet (opens in a new tab) |
| 🎞️ Veo 3 | No | No global instruction profile for Veo. Each job is a prompt plus optional frames. | Try Veo 3 (opens in a new tab) |
| 🎥 Kling AI | No | No global instruction profile. Each job is a prompt plus optional references. | Try Kling AI (opens in a new tab) |
| 📓 NotebookLM | Unknown | A global custom-instructions setting was not confirmed in the help articles checked. | Try NotebookLM (opens in a new tab) |
| 🛸 Google Antigravity | Yes, requires free plan | Custom Agents are Markdown+YAML under .agents/agents/ or ~/.gemini/config/agents/. | Try Google Antigravity (opens in a new tab) |
| 🧭 Kiro | Yes, requires free plan | Steering markdown (always / fileMatch / manual) plus AGENTS.md. | Try Kiro (opens in a new tab) |
| ⬛ FLUX | No | No global instruction profile. Fine-tunes/LoRAs are weights, not a system prompt. | Try FLUX (opens in a new tab) |
| 🌀 Stable Diffusion | Partial | Brand Studio Campaigns and Brand ID models steer style. That is not a global chat system prompt. | Try Stable Diffusion (opens in a new tab) |
| 🔤 Ideogram | Partial | Magic Prompt and custom/on-brand models steer style. Not a global chat instruction profile. | Try Ideogram (opens in a new tab) |
| 🐰 CodeRabbit | Yes, requires free plan | Quiet/Chill/Assertive profiles, path instructions, and team standards configure review style. | Try CodeRabbit (opens in a new tab) |
| 🧃 Replit | Unknown | Plan mode is on Core. A global instruction profile was not confirmed on the homepage. | Try Replit (opens in a new tab) |
| 🤝 Aider | Yes, requires free plan | Config and conventions (comments in-editor, aider config) steer how it edits. | Try Aider (opens in a new tab) |
| 🚀 Warp | Yes, requires free plan | Factory config as code, autonomy settings, and data controls steer agents. | Try Warp (opens in a new tab) |
| 🔷 Tabnine | Yes, requires plus plan | Coaching Guidelines and governance controls define boundaries and behavior. | Try Tabnine (opens in a new tab) |
| 📝 Grammarly | Yes, requires plus plan | Style guide and brand tones steer suggestions. Enterprise can manage features centrally. | Try Grammarly (opens in a new tab) |
| 🔗 n8n | Yes, requires free plan | Workflow logic, guardrails, and human-in-the-loop steps are the instructions. | Try n8n (opens in a new tab) |
| ⚡ Groq | Yes, requires free plan | System messages in the chat API. | Try Groq (opens in a new tab) |
| 🔀 OpenRouter | Yes, requires free plan | System messages plus org data policies that restrict providers. | Try OpenRouter (opens in a new tab) |
| 🤗 Hugging Face | No | No global chat instruction profile for the Hub. | Try Hugging Face (opens in a new tab) |
| 🎙️ Whisper | Partial | A short prompt can guide spelling. Not a global instruction profile. | Try Whisper (opens in a new tab) |
| 🦞 OpenClaw | Yes, requires free plan | Persona onboarding, skills, and cron/heartbeats are the instruction layer. | Try OpenClaw (opens in a new tab) |
| 🦦 Otter.ai | Unknown | Custom vocabulary/vocabulary was not re-checked on the 2026 pricing page. | Try Otter.ai (opens in a new tab) |
| ⚡ Zapier | Yes, requires free plan | Zap logic, filters, paths, and agent/chatbot instructions. | Try Zapier (opens in a new tab) |
| ✨ Genspark | Unknown | Not confirmed on the public homepage this round. | Try Genspark (opens in a new tab) |
| 🔥 Fireflies.ai | Unknown | Custom vocabulary was not re-checked on the pricing table. | Try Fireflies.ai (opens in a new tab) |
| 🌊 Fathom | Unknown | Not specified on the homepage. | Try Fathom (opens in a new tab) |
| 🖼️ Photoroom | Partial | Brand Kit / style presets. Not a global chat instruction profile. | Try Photoroom (opens in a new tab) |
| 🦜 LangChain | Yes, requires free plan | Prompts, graphs, and Fleet natural-language agent specs. | Try LangChain (opens in a new tab) |
| ♻️ Replicate | Partial | System prompts / input schemas per model. Not a global user profile. | Try Replicate (opens in a new tab) |
| 🤝 Together AI | Yes, requires free plan | System prompts in the API. | Try Together AI (opens in a new tab) |
| 📐 Linear | Yes, requires free plan | Triage rules, templates, and agent workflows. | Try Linear (opens in a new tab) |
| ✅ ClickUp | Yes, requires free plan | Personality, sprint methods, and preference memory are the instruction layer. | Try ClickUp (opens in a new tab) |
| 🌸 Asana | Yes, requires plus plan | Create your own AI Teammates; scoped permissions in the same console as humans. | Try Asana (opens in a new tab) |
| 🔗 Make | Yes, requires free plan | Scenario logic, filters, and routers are the instructions. | Try Make (opens in a new tab) |
| 🎨 Figma | Partial | Skills, Make kits, and design-system libraries. Not a global chat instruction card. | Try Figma (opens in a new tab) |
| ✨ Adobe Express | Unknown | Brand kits likely. Not confirmed behind the sign-in wall. | Try Adobe Express (opens in a new tab) |
| 🪶 QuillBot | Unknown | Modes (standard/fluency) exist in market; not re-verified this round. | Try QuillBot (opens in a new tab) |
| 📝 Wordtune | Partial | Formal/casual tone and rewrite modes. Not a global instruction profile. | Try Wordtune (opens in a new tab) |
| 📊 Beautiful.ai | Yes, requires plus plan | Themes, brand control, image-style prompts, language (100+). | Try Beautiful.ai (opens in a new tab) |
| 📕 Tome | No | No live product at tome.app. | Try Tome (opens in a new tab) |
| 🪨 Amazon Bedrock | Yes, requires plus plan | Guardrails, system prompts, and agent instructions in the console/API. | Try Amazon Bedrock (opens in a new tab) |
| ☁️ Azure OpenAI Service | Partial | System prompts are API parameters, not a ChatGPT-style global custom-instructions UI. | Try Azure OpenAI Service (opens in a new tab) |
| 🔺 Vertex AI | Yes, requires plus plan | System instructions in Agent Studio and API prompts. | Try Vertex AI (opens in a new tab) |
| 🌲 Pinecone | Partial | Assistant system prompts. Not a global user profile. | Try Pinecone (opens in a new tab) |
| 🗣️ D-ID | Yes, requires plus plan | Configure Visual Agent personality and knowledge. | Try D-ID (opens in a new tab) |
| 🎙️ Deepgram | Yes, requires plus plan | Configure Voice Agent prompts and behavior. | Try Deepgram (opens in a new tab) |
| 🎧 AssemblyAI | Yes, requires plus plan | Configure Voice Agent prompts and guardrails. | Try AssemblyAI (opens in a new tab) |
| 📻 Adobe Podcast | No | Not an LLM with custom instructions. | Try Adobe Podcast (opens in a new tab) |
| 🎵 Stable Audio | Partial | Prompt and style controls per generation. | Try Stable Audio (opens in a new tab) |
| 🎬 InVideo | Yes, requires plus plan | Brand kits and agent instructions per project. | Try InVideo (opens in a new tab) |
| ⌨️ Raycast AI | Partial | Extensions and prompts customize behavior. No global system profile documented. | Try Raycast AI (opens in a new tab) |
| ⚡ Superhuman | Partial | Sounds Like You adapts tone. Not a full system-prompt editor. | Try Superhuman (opens in a new tab) |