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GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Input
$5.00
per 1M tokens
Output
$30.00
per 1M tokens
Blended
$11.25
per 1M tokens
Cheaper than 4% of models. Median price is $0.56/1M tokens.
Daily
$11.25
Monthly
$337.50
70
tokens/sec
Faster than 40% of models
37.33
seconds
Faster than 3% of models
37.33
seconds
Faster than 12% of models
Market Median
86 tok/s
19% slower
Median TTFT
1.07s
3382% slower
Throughput/Dollar
6
tok/s per $/1M
Speed Comparison
Context Window
1.1M
tokens
Larger than 97% of models
Max Output
128K
tokens
12% of context
Quality Index
60.2
1st of 507
Top 0%
Coding Index
59.1
1st of 417
Top 0%
Price/1M
$11.25
607th cheapest
1909% above median
Top 96%
Speed
70 tok/s
Top 60%
TTFT
37.33s
Context Window
1.1M
9th largest
Top 3%