18h ago

Instructor creator Jason Liu shares analysis showing GPT-5.5 leading the inference cost-efficiency frontier over Claude Opus

GPT-5.4 scored 55% at $3 versus Claude Opus 4.7's $16.

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Original post
OPjason#929jason@JXNLCO

price performance, the more im at openai the more impressed I am with our training and inference teams here I'm reinterpreting @serenaa_ge's great data really want to know where 4.8 fits into the picture...

6:08 PM · May 28, 2026 View on X
QUOTE POSTAlexander Embiricos#1826Alexander Embiricos@EMBIRICO

codex & GPT models are incredibly efficient

jasonjason@jxnlco

price performance, the more im at openai the more impressed I am with our training and inference teams here I'm reinterpreting @serenaa_ge's great data really want to know where 4.8 fits into the picture...

1:08 AM · May 29, 2026 · 31.6K Views
2:06 AM · May 29, 2026 · 6.1K Views