Thanks to
| What | Date | Link |
|---|---|---|
| Claude Haiku 5.5 | October 7, 2026 | Claude Haiku 5.5 system prompt |
| Haiku 5.5 Claude Code | October 7, 2026 | Claude Code system prompt (Haiku 5.5) |
| ChatGPT Dots | October 5, 2026 | Dreamer system prompt · Voice · all prompts · skills |
| Muse Spark 1.3 Muse Code | October 4, 2026 | Muse Code system prompt (Muse Spark 1.3) · skills · prompts |
| Meta Muse agent (VM files) | October 3, 2026 | Muse agent system prompt · all VM files |
| Grok 4.7 | October 3, 2026 | Grok 4.7 system prompt (grok.com) |
| Fable 5.1 Claude Code on the web (cloud) | September 30, 2026 | Claude Code on the web system prompt (Fable 5.1) |
| GPT-6.1-Sol Codex | September 29, 2026 | GPT-6.1-Sol Codex system prompt · ChatGPT Work local |
| Claude Sonnet 5.5 | September 29, 2026 | Claude Sonnet 5.5 system prompt |
| Sonnet 5.5 Claude Code | September 29, 2026 | Claude Code system prompt (Sonnet 5.5) |
| GPT-6-Sol Codex | September 27, 2026 | GPT-6-Sol Codex system prompt |
| GPT-6-Luna Codex | September 27, 2026 | GPT-6-Luna Codex system prompt |