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Ásgeir Thor Johnson📰 As seen in The Washington Post: See the hidden rules behind AI. Then use them to rewrite this article. (May 11, 2026)
System Prompts Leaks
Extracted system prompts, system messages, and developer instructions from popular AI chatbots and coding assistants — ChatGPT (GPT-5.5, GPT-5.4, Codex), Claude (Opus 4.7, Opus 4.6, Claude Code, Cowork), Gemini (3.1 Pro, 3 Flash, Gemini CLI), Grok (4.3, 4.2), Perplexity, Meta AI, and more.
Updated regularly with new models and versions. PRs welcome.
🔥 Recently Updated
| What | Date | Link |
|---|---|---|
| GPT-5.5 Thinking — ChatGPT's newest model | Apr 26, 2026 | Thinking · Codex |
| Claude Opus 4.7 — Anthropic's latest flagship | Apr 22, 2026 | System prompt |
| Claude Cowork — Multi-agent collaboration | Apr 27, 2026 | System prompt |
| Claude Code — CLI coding assistant | Feb 21, 2026 | System prompt |
| GPT-5.3-Codex-Spark — ultra-fast Codex model | May 10, 2026 | System prompt |
| Grok 4.3 Beta — xAI's sandbox environment | Apr 27, 2026 | System prompt |
| Gemini 3.1 Pro — Google's latest | Mar 15, 2026 | System prompt · API |
| Codex CLI (GPT-5.5) — OpenAI's coding agent | Apr 26, 2026 | Codex · Friendly · Pragmatic |
| Claude Design — UI/design assistant | Apr 18, 2026 | System prompt |
| Claude Mobile (iOS) — Mobile app prompt | Apr 22, 2026 | System prompt |
Anthropic — Claude
| Model | Prompt |
|---|---|
| Claude Opus 4.7 | System prompt |
| Claude Opus 4.6 | System prompt |
| Claude Sonnet 4.6 | System prompt |
| Claude.ai | Human-readable · Injections |
| Claude Code | System prompt |
| Claude Cowork | System prompt |
| Claude Desktop Code | System prompt |
| Claude Design | System prompt |
| Claude Mobile (iOS) | System prompt |
| Claude in Chrome | System prompt |
| Claude for Excel | System prompt |
| Claude for Word | System prompt |
| Claude in PowerPoint | System prompt |
| Default Styles | Styles |
| Official Docs | Opus 4.7 · Opus 4.6 · Sonnet 4.6 |
Older & variant versions
| Without tools | Opus 4.6 · Sonnet 4.6 |
| Opus 4.5 | System prompt |
| Sonnet 4.5 | System prompt |
| Sonnet 4 | System prompt |
| Opus 4.1 Thinking | System prompt |
| Sonnet 3.7 | System prompt |
OpenAI — ChatGPT
| Model | Prompt |
|---|---|
| GPT-5.5 | Thinking · Codex · Friendly · Pragmatic |
| GPT-5.4 | API · Thinking · Codex · Codex Mini |
| GPT-5.3 | Codex · Spark · Codex API · Chat API · Instant |
| GPT-5.2 | Mini (free) · Thinking · Codex |
| Codex CLI | Per-model prompts · Spark · Friendly persona · Pragmatic persona · Auto-review |
| o4-mini | System prompt · High |
| o3 | System prompt |
| ChatGPT Atlas | System prompt |
| Tools | Web search · Deep research · Python · Canvas · Image gen · Memory · Advanced memory · File search |
| Policies | Image safety · Automation context |
Older models & variants
| GPT-5.1 personalities | Default · Friendly · Professional · Candid · Cynical · Efficient · Nerdy · Quirky |
| GPT-5 | Agent mode · Thinking · Personalities |
| GPT-4.5 | System prompt |
| GPT-4.1 | Full · Mini |
| GPT-4o | System prompt · WhatsApp · Advanced voice · Legacy voice |
| Monday GPT | System prompt |
| API variants | GPT-5 reasoning (high) · o3 high/med/low · o4-mini high/med/low |
Google — Gemini
| Model | Prompt |
|---|---|
| Gemini 3.1 Pro | System prompt · API |
| Gemini 3 Flash | System prompt |
| Gemini 3 Pro | System prompt |
| Gemini Diffusion | System prompt |
| Gemini CLI | System prompt |
| Google Search AI Mode | System prompt |
| Jules | System prompt |
| Gemini in Chrome | System prompt |
| Gemini Workspace | System prompt |
Older models
| Gemini 2.5 Pro | API · Webapp · Guided learning |
| Gemini 2.5 Flash | Image preview |
| Gemini 2.0 Flash | Webapp |
| AI Studio Build | System prompt |
| Nano / Banana 2 | System prompt |
| NotebookLM | Chat |
xAI — Grok
| Model | Prompt |
|---|---|
| Grok 4.3 Beta | System prompt |
| Grok 4.2 | System prompt |
| Grok 4.1 Beta | System prompt |
| Grok 4 | System prompt · API |
| Grok 3 | System prompt |
| Grok Account | System prompt |
| Grok Personas | Personas |
| Safety Instructions | Post-new |
Perplexity
| Model | Prompt |
|---|---|
| Comet Browser | System prompt |
| Voice Assistant | System prompt |
Misc
| Product | Prompt |
|---|---|
| Meta AI | System prompt |
| Qwen 3.6 Plus | System prompt |
| Brave Search | System prompt |
| Indus AI | System prompt |
| GitHub Copilot (Word) | System prompt |
| Notion AI | System prompt |
| Kagi Assistant | System prompt |
| Le Chat (Mistral) | System prompt |
| Raycast AI | System prompt |
| Warp 2.0 Agent | System prompt |
| t3.chat | System prompt |
| Confer | System prompt |
| Fellou Browser | System prompt |
| Hermes | System prompt |
| MiniMax M2.5 | System prompt |
| Proton Lumo AI | System prompt |
| Sesame AI Maya | System prompt |
| Character AI | System prompt |
| Flint K12 | System prompt · Tools · User info |
Contributing
Have a system prompt that's not listed here? PRs welcome — drop the raw text as a .md file in the appropriate folder.
Want a specific model or product added? Open an issue to request it.
License
Released under the MIT License.