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GPT-5.3-Codex and Opus 4.6 in 6min..

Watch on YouTube February 6, 2026 PT6M11S
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Caleb Writes Code
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Full Description
OpenAI and Anthropic both release their state of the art models GPT-5.3-Codex and Opus 4.6 with just minutes to each other.
We are going to dive into what makes them different and analyze the full difference between these LLMs and what their strengths and weaknesses are.
As we look at larger context window 1M for Opus and better terminal use cases and faster inference speed from OpenAI, the competition is looming larger especially as iteration speed and release cycle for them gets shorter. How will this affect the economy and the AI industry?

#ai #openai #anthropic 

Chapters
00:00 Intro
00:29 Opus
02:34 Codex
04:44 Iteration Speed
05:16 Pricing
06:01 Conclusion
Tags
GPT-5.3-CodexGPT 5.3 CodexOpus 4.6Anthropic Opus 4.6OpenAI New ModelOpenAI GPT-5.3 CodexOpenAI GPT-5.3-CodexIs OpenAI GPT-5.3-Codex BetterIs OpenAI GPT Better than OpusIs Opus 4.6 better than GPT 5.3 Codex