asgeirtj/system_prompts_leaks: Trending on GitHub
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
The purpose of this repo is to document the System Prompt instructions for all the AI chatbots out there - Claude, ChatGPT, Gemini etc.
🆕 Diff: Claude Opus 4.8 → Claude Fable 5 — see exactly what changed in the claude.ai system prompt for Anthropic's newest model
Recently Updated
What Date Link
Claude Sonnet 5 July 1, 2026 System prompt
Claude Design (Opus 4.8 — full prompt + 48 tools + 16 skills + 9 starter sources) June 26, 2026 System prompt
GitHub Copilot for macOS (app) June 18, 2026 System prompt
GPT-5.5 Codex (full prompt) June 18, 2026 System prompt
Claude Fable 5 June 9, 2026 System prompt · Diff vs Opus 4.8
Claude Opus 4.8 June 9, 2026 System prompt · Official
Claude Code Glob & Grep tools June 9, 2026 Glob · Grep
Claude Code (Opus 4.8) May 28, 2026 System prompt
Claude Code & Cowork May 28, 2026 Claude Code · Cowork · Cowork Dispatch
GPT-5.5 May 24, 2026 Thinking · Instant · API · Pro API
Perplexity Computer May 21, 2026 System prompt
VS Code Copilot Agent May 21, 2026 System prompt
Docker Gordon AI May 21, 2026 System prompt
Gemini 3.5 Flash May 20, 2026 System prompt · AI Studio · Tools
Antigravity CLI May 20, 2026 System prompt
Zed AI May 16, 2026 System prompt
Grok Expert May 11, 2026 System prompt
Anthropic — Claude
Model Prompt
Claude Fable 5 System prompt
Claude Opus 4.8 System prompt
Claude Sonnet 5 System prompt
Claude Code (Opus 4.8) System prompt
Claude Opus 4.7 System prompt
Claude Code (Opus 4.6) System prompt
Claude Opus 4.6 System prompt
Claude Sonnet 4.6 System prompt
Claude.ai Anthropic Reminders
Integrations, official prompts & older versions
Integrations Cowork · Cowork Dispatch · Desktop Code · Design · Mobile iOS · In Chrome · For Excel · For Word · In PowerPoint · Default Styles
Claude Code extras Glob tool · Grep tool · Deferred tools · Docs assistant · Bundled skills
Published (claude_behavior at release date, not updated) Opus 4.8 · Opus 4.7 · Opus 4.6 · Sonnet 4.6 · All versions
Without tools Opus 4.6 · Sonnet 4.6
Raw prompts Opus 4.6 · Opus 4.6 (no tools) · Sonnet 4.6 · Sonnet 4.6 (no tools)
Visualize Visualization
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 · With tools · Full w/ tools · Human-readable
OpenAI — ChatGPT
Model Prompt
GPT-5.5 Thinking · Instant · API · Pro API · Codex · Friendly · Pragmatic
GPT-5.4 API · Thinking · Codex · Codex Mini
GPT-5.3 Codex · Spark · Codex API · Chat API · Instant
Codex CLI Per-model prompts · Spark · Plan mode · Personas · Auto-review
Tools Web search · Deep research · Python · Python code · Canvas · Image gen · Memory · Advanced memory · File search
Policies Image safety · Automation context
Older models & variants
GPT-5.2 Mini (free) · Thinking · Codex
o4-mini System prompt · High
o3 System prompt
ChatGPT Atlas System prompt
GPT-5.1 personalities Default · Friendly · Professional · Candid · Cynical · Efficient · Nerdy · Quirky
GPT-5 Agent mode · Thinking · Cynic · Listener · Nerdy · Robot · Codex · Codex Mini
GPT-4.5 System prompt
GPT-4.1 Full · Mini
GPT-4o System prompt · WhatsApp · Advanced voice · Legacy voice
Monday GPT System prompt
GPT-4o new personality System prompt
Study and learn System prompt
Image safety policies System prompt
API variants GPT-5 reasoning (high) · o3 high · o3 med · o3 low · o4-mini high · o4-mini med · o4-mini low
Old o4-mini System prompt
Codex (older) GPT-5 · GPT-5.1 · GPT-5.1 Codex · GPT-5.1 Mini · GPT-5.1 Max · GPT-5.2 · 5.2 Friendly · 5.2 Pragmatic
Google — Gemini
Model Prompt
Gemini 3.5 Flash System prompt · AI Studio · Tools
Gemini 3.1 Pro System prompt · API
Gemini CLI System prompt
Antigravity CLI System prompt
Jules System prompt
Older models & variants
Gemini 3 Flash · Pro
Gemini Diffusion System prompt
Google Search AI Mode System prompt
Gemini YouTube System prompt
Gemini in Chrome System prompt
Gemini Workspace System prompt
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 Build System prompt (CLI Agent)
Grok 4.3 Beta System prompt
Grok 4.2 System prompt
Grok Expert System prompt
Older versions
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
Perplexity Computer System prompt
Comet Browser System prompt
Voice Assistant System prompt
Microsoft — Copilot
Product Prompt
GitHub Copilot System prompt
VS Code Copilot Agent System prompt
Copilot CLI System prompt
Copilot for macOS (app) System prompt
Copilot in Word System prompt
Cursor
Product Prompt
Cursor System prompt
Meta
Product Prompt
Meta AI System prompt
Mistral
Product Prompt
Le Chat System prompt
Notion
Product Prompt
Notion AI System prompt
Qwen
Product Prompt
Qwen 3.6 Plus System prompt
Misc
Product Prompt
Amp Code (Sourcegraph) System prompt
Docker Gordon AI System prompt
ElevenLabs Voice Agent System prompt
OpenCode System prompt
Reddit Answers System prompt
Warp 2.0 Agent System prompt
Zed AI System prompt
More products
Brave Search System prompt
Character AI System prompt
Confer System prompt
Fellou Browser System prompt
Gizmo AI System prompt
Hermes System prompt
Indus AI System prompt
Kagi Assistant System prompt
MiniMax M2.5 System prompt
Proton Lumo AI System prompt
Raycast AI System prompt
Sesame AI Maya System prompt
t3.chat System prompt
t3 Code System prompt
Contact
Growth
