{"type":"raw_signal","id":"claude-opus-5-5-gpt-6-sol-gpt-bd5a89","slug":"claude-opus-5-5-gpt-6-sol-gpt-bd5a89","title":"Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war","description":"Simon Willison reports that Anthropic released Claude Opus 5.5 and OpenAI released GPT-6 Sol and GPT-6 Luna within roughly an hour of each other.","retrieval_nugget":"Simon Willison reports that Anthropic released Claude Opus 5.5 and OpenAI released GPT-6 Sol and GPT-6 Luna within roughly an hour of each other.","observed_at":"2026-09-23","record_date":"2026-09-23","date_kind":"observed_at","why_it_matters":"Source: https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna","novelty":"notable","verification_level":"source-linked","signal_type":"announcement","source_platform":"simonwillison.net","topics":[],"entities":[],"related_patterns":[],"source_url":"https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna","source_urls":["https://simonwillison.net/2026/Sep/22/opus-and-sol-and-luna"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"signal:claude-opus-5-5-gpt-6-sol-gpt-bd5a89","status":"published","visuals":[],"routes":{"html":"https://newruntime.com/signals/claude-opus-5-5-gpt-6-sol-gpt-bd5a89/","markdown":"https://newruntime.com/signals/claude-opus-5-5-gpt-6-sol-gpt-bd5a89.md","json":"https://newruntime.com/signals/claude-opus-5-5-gpt-6-sol-gpt-bd5a89.json"},"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"]},"next_reads":[{"type":"collection","path":"/signals/","url":"https://newruntime.com/signals/","title":"Raw Signals","reason":"Open every source-linked raw signal.","media_type":"text/html","json_url":"https://newruntime.com/signals.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}