---
type: "raw_signal"
id: "simon-willison-released-web-edit-0-1a1-with-6c28bb"
slug: "simon-willison-released-web-edit-0-1a1-with-6c28bb"
title: "Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5"
description: "Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5."
retrieval_nugget: "Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5."
observed_at: "2026-10-14"
record_date: "2026-10-14"
date_kind: "observed_at"
why_it_matters: "Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5. Willison says the work followed a profiling report for web-edit generated by GPT-6 Astra. The release description does not state the size of the performance gains or provide benchmark results."
novelty: "notable"
verification_level: "source-linked"
signal_type: "release"
source_platform: "simonwillison.net"
topics: ["claude"]
entities: ["web-edit","Simon Willison","Claude Opus 5.5","GPT-6 Astra"]
related_patterns: []
source_url: "https://simonwillison.net/2026/Oct/13/web-edit"
source_urls: ["https://simonwillison.net/2026/Oct/13/web-edit"]
schema_version: "newruntime-agent-readable-v0.2"
stable_id: "signal:simon-willison-released-web-edit-0-1a1-with-6c28bb"
status: "published"
visuals: []
editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
routes: {"html":"https://newruntime.com/signals/simon-willison-released-web-edit-0-1a1-with-6c28bb/","markdown":"https://newruntime.com/signals/simon-willison-released-web-edit-0-1a1-with-6c28bb.md","json":"https://newruntime.com/signals/simon-willison-released-web-edit-0-1a1-with-6c28bb.json"}
---

# Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5

## Retrieval answer

Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5.

Simon Willison released web-edit 0.1a1 with performance optimizations written by Claude Opus 5.5. Willison says the work followed a profiling report for web-edit generated by GPT-6 Astra. The release description does not state the size of the performance gains or provide benchmark results.

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

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