GPT-5.4

OpenAI · GPT / ChatGPT series · released 5 Mar 2026

Sentiment · since 25 Sep

–

4 opinions, needs 10

Mentions

posts and comments

Sentiment per day

$2.5 in / $15 out per million tokens · 1.05M context · reasoning mode

Thread	Subreddit	Opinions	Index
$200 Pro Plan Returning at less than 20x - Tibo	r/codex	1	–
GPT-3 is discontinued today	r/LocalLLaMA	1	–
GPT-6 Astra seems unusable due to Token burn, GPT-6 Sol is too bad to be trusted - Any reason not to switch?	r/codex	1	–
Opus 5.5: is it really a game changer for coding?	r/OpenAI	1	–