Comparison
GPT 5.4 vs Claude Opus 4.5
Side-by-side comparison of OpenAI GPT 5.4 and Anthropic Claude Opus 4.5. Pricing, quality benchmarks, and context windows.
Quality Benchmarks
LiveBench / 0-100
GPT 5.4
83.1Frontier
Claude Opus 4.5
78.0Frontier
GPT 5.4
Claude Opus 4.5
Input Price (per 1M)
$2.50
$5.00
Output Price (per 1M)
$15.00
$25.00
Context Window
1.1M
200K
Max Output
128K
64K
Pricing per 1M Tokens
$2.50
50% cheaper
Input
Input
$5.00
Input
$15.00
40% cheaper
Output
Output
$25.00
Output
Token Limits
Context
1.1M
Context
Context
200K
Max Output
128K
Max Output
Max Output
64K
VisionTools
VisionTools
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