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GPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
Input
$0.05
per 1M tokens
Output
$0.40
per 1M tokens
Blended
$0.14
per 1M tokens
Cheaper than 79% of models. Median price is $0.56/1M tokens.
Daily
$0.14
Monthly
$4.12
123
tokens/sec
Faster than 67% of models
89.84
seconds
Faster than 1% of models
89.84
seconds
Faster than 2% of models
Market Median
86 tok/s
44% faster
Median TTFT
1.07s
8281% slower
Throughput/Dollar
898
tok/s per $/1M
Speed Comparison
Context Window
400K
tokens
Larger than 79% of models
Max Output
128K
tokens
32% of context
Quality Index
26.8
178th of 507
Top 35%
Coding Index
20.3
197th of 417
Top 47%
Math Index
83.7
52nd of 269
Top 20%
Price/1M
$0.14
134th cheapest
75% below median
Top 21%
Speed
123 tok/s
Top 33%
TTFT
89.84s
Context Window
400K
68th largest
Top 21%