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GPT-5.1

includes GPT 5.1 Codex

2 statements across 2 episodes · 1 bullish · 0 bearish · 2 people on the record · first statement Dec 26, 2025 by Brian Fioca · said 10 times in 6 episodes since 2025 · across every show →

Mentions by year, the whole family

brought up most by Shawn Wang (3), Brian Fioca (2), Alessio Fanelli (2), Ryan Lopopolo (1), Josh McGrath (1)

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2026 5 mentions in 3 episodes 2 per episode
2025 5 mentions in 3 episodes 2 per episode

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Everything said about GPT-5.1, oldest first

Dec 26, 2025 neutral
Assertion Supported
Fioca: GPT-5.1 allows disabling preambles, unlike the reasoning-dependent Codex model
“So Five One, you can turn that off, you can prompt it not to do that, but the Codex model can't actually do that, and it relies on the reasoning summarizer to give you that update.”
Brian Fioca Dec 26, 2025 ▶ 11:26 ⚡️GPT5-Codex-Max: Training Agents with Personality, Tools & Trust — Brian Fioca + Bill Chen, OpenAI
Dec 31, 2025 positive
Assertion Partly supported
McGrath: GPT-5.1 dramatically reduced token usage over GPT-5 while boosting evals
“Yeah, and so you can see, like, from five to 5.1, our overall evals, you know, we bumped some. But if you look at a two D plot of how many tokens it takes for us to get that, it went way down.”
Josh McGrath Dec 31, 2025 ▶ 13:58 [State of Post-Training] From GPT-4.1 to 5.1: RLVR, Agent & Token Efficiency — Josh McGrath, OpenAI
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