Simon Willison
Person ● Covered in 14 stories + Follow ✴ AI Graph Request update GitHub Website Wikipedia
Simon Willison is a developer and writer focused on tools and workflows for interacting with language models. In recent coverage, he released and updated his llm command-line tool (including features like reasoning traces, server-side tools, and MCP client support) and documented ways to connect custom MCP servers to Claude and ChatGPT. He has also published monthly LLM briefing posts covering updates for several providers and used LLM-based agents to generate downloadable running routes from map data.
Updated 16 September 2026
Why this page exists, and how to correct or remove it
This profile is assembled automatically because Simon Willison appears in coverage we index or holds a role listed publicly by their organisation. It uses only public sources — company and organisation pages, news articles, Wikipedia, and public professional listings — and the biography, if any, is written by AI from those sources and cited above.
We hold it to report on the AI industry, under the legitimate interest of journalistic reporting. You can ask us to correct it, restrict it, or take it down, and you can object at any time — no account needed, no reason required.
Claim or correct this profile Request removal How we handle personal data
Signals
6 stories (+20%)
Media momentum
As of 17 Sep 2026 · Visible stories in the last 30 days, compared with the 30 days before.
2 sources
Source diversity
As of 17 Sep 2026 · Distinct publications behind this entity's visible coverage.
Jul 2026 → Sep 2026
Coverage span
As of 17 Sep 2026 · First to most recent month of TLDRocket coverage of this entity.
Latest developments
Quoting Mustafa Suleyman
Simon Willison’s Weblog · 1 day ago ·
36
Generating running routes with GPT-6 Astra and ChatGPT Work
Simon Willison’s Weblog · 4 days ago ·
49
llm 0.35
Simon Willison’s Weblog · 1 week ago ·
3
llm-openrouter 0.7.1
Simon Willison’s Weblog · 2 weeks ago ·
7
llm-anthropic 0.28
Simon Willison’s Weblog · 2 weeks ago ·
39
llm-gemini 0.34
Simon Willison’s Weblog · 2 weeks ago ·
17
New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging
Simon Willison's Weblog · 1 month ago ·
49
llm-mcp-client 0.1a0
Simon Willison's Weblog · 1 month ago ·
33
Q3 2026
Simon Willison releases LLM 0.32 with reasoning traces, server-side tools, and streaming events API Feature update
Moonshot released Kimi K3, a large open-weight AI model Open source release
Model Context Protocol 2.0 released with stateless architecture replacing session-based design Feature update
Study finds no evidence of AI labs optimizing models for pelican-on-bicycle image generation Research publication
- Quoting Mustafa Suleyman
- Generating running routes with GPT-6 Astra and ChatGPT Work
- llm 0.35
- llm-openrouter 0.7.1
- llm-anthropic 0.28
- llm-gemini 0.34
- New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging
- llm-mcp-client 0.1a0
- Oxide and Friends: The Open Weight Revolution with Simon Willison
- Adding a custom MCP server to Claude and ChatGPT
- Are AI labs pelicanmaxxing?
- Quoting Kimi K3
- datasette 1.0a37
- datasette code-frequency chart on GitHub
Relationships
People
Products & technology
- Develops Datasette · 1 source
- Develops LLM · 1 source
- Deploys ChatGPT Work · 1 source