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GPT-5.3-Codex is OpenAI’s most advanced agentic coding model, combining the frontier software engineering performance of GPT-5.2-Codex with the broader reasoning and professional knowledge capabilities of GPT-5.2. It achieves state-of-the-art results...
Input
$1.75
per 1M tokens
Output
$14.00
per 1M tokens
Blended
$4.81
per 1M tokens
Cheaper than 11% of models. Median price is $0.56/1M tokens.
Daily
$4.81
Monthly
$144.38
80
tokens/sec
Faster than 46% of models
62.61
seconds
Faster than 2% of models
62.61
seconds
Faster than 4% of models
Market Median
86 tok/s
7% slower
Median TTFT
1.07s
5741% slower
Throughput/Dollar
17
tok/s per $/1M
Speed Comparison
Context Window
400K
tokens
Larger than 79% of models
Max Output
128K
tokens
32% of context
Quality Index
53.6
9th of 507
Top 2%
Coding Index
53.1
6th of 417
Top 2%
Price/1M
$4.81
562nd cheapest
759% above median
Top 89%
Speed
80 tok/s
Top 54%
TTFT
62.61s
Context Window
400K
68th largest
Top 21%