GPT 5.3 Codex
product on 4 shows · 5 statements across 3 episodes · said 50 times in 7 episodes since 2026
the Startup Ideas Podcast 37 
TBPN 11 
the Neon Show 1 
Big Technology 1
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the Startup Ideas Podcast 37TBPN 11Big Technology 1the Neon Show 1
2026 50 mentions in 7 episodes 7 per episode
- Claude Opus 4.6 vs GPT-5.3 Codex
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5 statements about GPT 5.3 Codex, every show
Adler: OpenAI skipped committed safety testing for GPT 5.3 Codex release
“And unfortunately, it seems like OpenAI's release of last week, GPT, 5.3 codex, one of the big breakthrough models we've been talking about. As I look over the evidence, It seems like open AI did not abide by the testing that they had committed to in various w…”
Altman announced GPT-5.3 Codex 18 minutes after Anthropic released Opus 4.6
“Opus four, six came out and then Sam Altman put together a quick tweet. I want to say like maybe 18 minutes later announcing GPT five, three codex”
Morgan Linton predicts engineering teams will use both Codex and Opus 4.6
“Where I think you're going to see a lot of teams using both, because Codex really is your collaborator, and what they've added with Five-Three is, like, really good, like, mid-execution steering, whereas with Opus Four-Six, it's probably the best of the best n…”
Linton: GPT-5.3 Codex has a context window of roughly 200k tokens
“Five, three, they talk about large context, but it's not a headline feature, and I actually went back and forth with it to get it to actually give me a number, and the number's around 200,000 tokens, which is not that impressive.”
Coogan: OpenAI launched GPT-5.3 Codex and Frontier AI co-worker platform
“So GPT-Five-Point-Three Codex launched today, and there's a very, very cool There's a very, very cool update to or new product, Frontier, which is a product for building AI co-workers that I'm very excited to talk to Sam about because it feels like the first g…”