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Comparison

GPT 5.4 vs Claude 3.5 Sonnet

Side-by-side comparison of OpenAI GPT 5.4 and Anthropic Claude 3.5 Sonnet. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding73 / 75Math94 / 75Reasoning90 / 75Language75 / 75

GPT 5.4

83.1Frontier

Claude 3.5 Sonnet

75.3Frontier

GPT 5.4
Claude 3.5 Sonnet

Input Price (per 1M)

$2.50
58% less
$6.00

Output Price (per 1M)

$15.00
50% less
$30.00

Context Window

1.1M
5.3x
200K

Max Output

128K
15.6x
8.2K

OpenAI

GPT 5.4

vs

Anthropic

Claude 3.5 Sonnet

Pricing per 1M Tokens

$2.50

58% cheaper

Input

Input

$6.00

Input

$15.00

50% cheaper

Output

Output

$30.00

Output

Token Limits

Context

1.1M

Context

Context

200K

Max Output

128K

Max Output

Max Output

8.2K

VisionTools
VisionTools

GPT 5.4 Details

$2.50 in / $15.00 out

Claude 3.5 Sonnet Details

$6.00 in / $30.00 out

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