Comparison
GPT 5.4 vs GPT 5.5
Side-by-side comparison of OpenAI GPT 5.4 and OpenAI GPT 5.5. Pricing, quality benchmarks, and context windows.
Quality Benchmarks
LiveBench / 0-100
GPT 5.4
83.1Frontier
GPT 5.5
83.0Frontier
GPT 5.4
GPT 5.5
Input Price (per 1M)
$2.50
$5.00
Output Price (per 1M)
$15.00
$30.00
Context Window
1.1M
1.1M
Max Output
128K
128K
Pricing per 1M Tokens
$2.50
50% cheaper
Input
Input
$5.00
Input
$15.00
50% cheaper
Output
Output
$30.00
Output
Token Limits
Context
1.1M
Context
Context
1.1M
Max Output
128K
Max Output
Max Output
128K
VisionTools
VisionTools
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