Provisional catalog entry for the exact target name GPT-5.5 as a language-model release associated with OpenAI; no accessible first-party page confirming a distinct release was retrieved in this session.
Pricing
Model profile · Current snapshot
Input / 1M
$5.00
Output / 1M
$30.00
Blended / 1M
$11.25
Output TPS
62.84
TTFT (s)
0.9
Model Intelligence
Arena ranking
41
Benchmarkable
Yes
Model level
release
Intelligence Index
40.9
Coding Index
48.6
GPQA
0.77
HLE
0.13
SciCode
0.47
IFBench
0.46
LCR
0.56
TerminalBench Hard
0.49
TAU2
0.69
Recent stories
2 linked stories
releaseSECONDARY2026-05-07
OpenAI Codex updates CLI v0.129.0 with Vim mode and hook controls
OpenAI Codex CLI v0.129.0 adds Vim mode, redesigned resume flows, stronger plugin management, and hook controls, while GOALS also reached the Linux app. The update makes long-running refactors and persistent task loops more structured across CLI and app use.
newsSECONDARY2026-05-04
Users report OpenAI Codex raises limits 10x on May 5 reset
Users report OpenAI increased Codex limits about 10x on the May 5 reset, with much longer /goal sessions and more computer-use demos. That should extend unattended runs for app migrations and visual prototyping.