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GPT-5.3 Codex | LLM Models | HyperAI

HyperAI

GPT-5.3 Codex

OpenAI2026-02-05

At a glance

Intelligence Index: —
Cost per task: —
Time per task: —
Output tokens per task: —
Input / output price per 1M tokens: $1.75 / $14.00
Cached input per 1M tokens: $0.18

Evaluations

Intelligence Index components

AA-Briefcase v1.1
weight
868

Other evaluations

Humanity's Last Exam
42.5%
CritPt
16.9%
AA-LCR v1.1: Long Context Reasoning
83.3%
GPQA Diamond
91.5%
IFBench
75.4%
Terminal-Bench Hard
53.0%
𝜏²-Bench Telecom
86.0%
MMMU-Pro
78.5%

: 2026-02-05
: 2025-08-31

: ,

·

15%

Specifications

Released

Knowledge cutoff

Context window

tokens

Input

Text

Image

Output

Reasoning

Weights

Proprietary

Size

Large

Data from Artificial Analysis

Updated

LLM Models

400K

2026-11-11