# 📆 ThursdAI - Feb 5 - Opus 4.6 was #1 for ONE HOUR before GPT 5.3 Codex, Voxtral transcription, Codex app, Qwen Coder Next & the Agentic Internet

Page: https://stenobird.com/podcast/thursdai-the-top-ai-news-from-the-past-week-6519604/thursdai-feb-5-opus-4-6-was-1-for-one-hour-before-gpt-5-3-codex-voxtral-transcription-codex-app-qwen-coder-next-the-agentic-internet
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Podcast: [ThursdAI - The top AI news from the past week](https://stenobird.com/podcast/thursdai-the-top-ai-news-from-the-past-week-6519604)
Published: 2026-02-06T01:20:32+00:00
Episode link: https://sub.thursdai.news/p/thursdai-feb-5-opus-46-was-1-for
Audio file: https://prfx.byspotify.com/e/api.substack.com/feed/podcast/187041236/4d4250626205b9a6b712072575a4d42e.mp3
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Duration seconds: 5869

## Resource

Hey, Alex from W&B here 👋 Let me catch you up! The most important news about AI this week today are, Anthropic updates Opus to 4.6 with 1M context window , and they held the crown for literally 1 hour before OpenAI released their GPT 5.3 Codex also today, with 25% faster speed and lower token utilization. “GPT-5.3-Codex is our first model that was instrumental in creating itself. The Codex team used early versions to debug its own training, manage its own deployment, and diagnose test results.” We had VB from OpenAI jump on to tell us about the cool features on Codex, so don’t miss that part. And this is just an icing on otherwise very insane AI news week cake, as we’ve also had a SOTA transcription release from Mistral, both Grok and Kling are releasing incredible, audio native video models with near perfect lip-sync and Ace 1.5 drops a fully open source music generator you can run on your mac! Also, the internet all but lost it after Clawdbot was rebranded to Molt and then to OpenClaw, and.. an entire internet popped up.. built forn agents! Yeah... a huge week, so let’s break it down. (P.S this weeks episode is edited by Voxtral, Claude and Codex, nearly automatically so forgive the rough cuts please) ThursdAI - Recaps of the most high signal AI weekly spaces is a reader-supported publication. To receive new posts and support my work, consider becoming a free or paid subscriber. Anthropic & OpenAI are neck in neck Claude Opus 4.6: 1M context, native compaction, adaptive thinking and agent teams Opus is by far the most preferred model in terms of personality to many folks (many ThursdAI panelists included), and this breaking news live on the show was met with so much enthusiasm! A new Opus upgrade, now with a LOT more context, is as welcome as it can ever get! Not…

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