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GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Quality Index
38.6
53rd of 444
Top 12%
Coding Index
36.4
43rd of 354
Top 12%
Math Index
91.7
17th of 268
Top 7%
Price/1M
$0.69
423rd cheapest
129% above median
Top 63%
Speed
172 tok/s
Top 10%
TTFT
6.00s
Context Window
400K
41st largest
Top 16%
Input
$0.25
per 1M tokens
Output
$2.00
per 1M tokens
Blended
$0.69
per 1M tokens
Cheaper than 37% of models. Median price is $0.30/1M tokens.
Daily
$0.69
Monthly
$20.64
172
tokens/sec
Faster than 90% of models
6.00
seconds
Faster than 10% of models
6.00
seconds
Faster than 25% of models
Market Median
45 tok/s
279% faster
Median TTFT
0.42s
1335% slower
Throughput/Dollar
250
tok/s per $/1M
Speed Comparison
Context Window
400K
tokens
Larger than 84% of models
Max Output
100K
tokens
25% of context