GPT-5.2-Codex vs GPT-5.3-Codex
Input price
$1.75
$1.75
Output price
$14.00
$14.00
Context window
400K
400K
Throughput
158 tok/s
137 tok/s
Availability
100.0%
99.4%
Cost / task
$0.011
$0.011
Efficiency score
85
85
Estimated monthly cost by workload
Metric
GPT-5.2-CODEX
GPT-5.3-CODEX
Chat assistant
$2,205
$2,205
RAG / long context
$3,360
$3,360
Agent / tool use
$6,300
$6,300
Efficiency score: GPT-5.2-Codex
Across price, speed and reliability, GPT-5.2-Codex offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.
Figures are illustrative demo data, not financial advice.
Frequently asked questions
Is GPT-5.2-Codex or GPT-5.3-Codex cheaper?+
GPT-5.2-Codex has the lower input price — $1.75 vs $1.75 per 1M tokens — so for most blended workloads it is the more cost-effective of the two. Figures are illustrative demo data.
Which should I choose, GPT-5.2-Codex or GPT-5.3-Codex?+
Across price, speed and reliability, GPT-5.2-Codex offers the stronger overall balance for most workloads — but the right pick depends on your exact mix of input, output and latency needs.