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Comparison

GPT 5.4 vs Claude Opus 4

Side-by-side comparison of OpenAI GPT 5.4 and Anthropic Claude Opus 4. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding73 / 98Math94 / 98Reasoning90 / 98Language75 / 98

GPT 5.4

83.1Frontier

Claude Opus 4

98.4Frontier

GPT 5.4
Claude Opus 4

Input Price (per 1M)

$2.50
83% less
$15.00

Output Price (per 1M)

$15.00
80% less
$75.00

Context Window

1.1M
5.3x
200K

Max Output

128K
4.0x
32K

OpenAI

GPT 5.4

vs

Anthropic

Claude Opus 4

Pricing per 1M Tokens

$2.50

83% cheaper

Input

Input

$15.00

Input

$15.00

80% cheaper

Output

Output

$75.00

Output

Token Limits

Context

1.1M

Context

Context

200K

Max Output

128K

Max Output

Max Output

32K

VisionTools
VisionTools

GPT 5.4 Details

$2.50 in / $15.00 out

Claude Opus 4 Details

$15.00 in / $75.00 out

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