modelbenchmark.io

GPT 5.2 Codex

OpenAI · gpt-5-2-codex

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Code-specialist GPT for repository edits, reviews, and long-running software agents

Specification

openai listing

Context
272K
Max output
128K
Released
2025-12-11
Knowledge cutoff
2025-08-31
Retires
2026-07-23
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · openai list price

Input
$1.75
Output
$14.00
Cache read
$0.175
Cache write
$1.75

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Priority inputopenai$3.50
Priority outputopenai$28.00

Quality

2 benchmarks · 2 sources

Composite
73rd
percentile of 334 scored models
Rank
90 / 334
±0.23 sd
Evidence
2 × 2
one source, or fewer than 3 benchmarks
Effort range
one configuration only
coding75th1/3 bench
general36th1/1 bench

Every score

one row per source and configuration — nothing averaged away

BenchmarkScoreConfigurationSourceRun
SWE-Bench verified72.8default · mini-SWE-agentSWE-bench
LiveBench74.0default · 23 runsLiveBench2026-06-25

The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.

Available from 23 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$1.75$14.00$0.175272K128K2026-07-23
qihang-ai$0.14$1.14400K128K
poe$1.60$13.00$0.16400K128K
abacus$1.75$14.00$0.175400K128K
aihubmix$1.75$14.00$0.175400K128K
azure$1.75$14.00$0.175
400K
272K
128K2027-07-13
azure-cognitive-services$1.75$14.00$0.175400K128K
databricks$1.75$14.00$0.175$1.75272K128K2026-07-16
edenai$1.75$14.00$0.175272K128K
impossibl$1.75$14.00$0.175400K128K
jiekou$1.75$14.00400K128K
kilo$1.75$14.00$0.175400K128K
llmgateway$1.75$14.00$0.175400K128K
llmgateway-providers$1.75$14.00$0.175400K128K
nano-gpt$1.75$14.00$0.175400K128K
ofox$1.75$14.00$0.18400K128K
opencode$1.75$14.00$0.175400K128K
openrouter$1.75$14.00$0.175
400K
272K
128K
orcarouter$1.75$14.00$0.175400K128K
vercel$1.75$14.00$0.175400K128K
vivgrid$1.75$14.00$0.175400K128K
zenmux$1.75$14.00$0.17400K64K
chatgpt · chatgpt128K128K

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