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Comparison

Claude 3.5 Sonnet vs GPT 5.4

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

Quality Benchmarks

LiveBench / 0-100

Coding75 / 73Math75 / 94Reasoning75 / 90Language75 / 75

Claude 3.5 Sonnet

75.3Frontier

GPT 5.4

83.1Frontier

Claude 3.5 Sonnet
GPT 5.4

Input Price (per 1M)

$6.00
$2.50
58% less

Output Price (per 1M)

$30.00
$15.00
50% less

Context Window

200K
1.1M
5.3x

Max Output

8.2K
128K
15.6x

Anthropic

Claude 3.5 Sonnet

vs

OpenAI

GPT 5.4

Pricing per 1M Tokens

$6.00

Input

Input

$2.50

58% cheaper

Input

$30.00

Output

Output

$15.00

50% cheaper

Output

Token Limits

Context

200K

Context

Context

1.1M

Max Output

8.2K

Max Output

Max Output

128K

VisionTools
VisionTools

Claude 3.5 Sonnet Details

$6.00 in / $30.00 out

GPT 5.4 Details

$2.50 in / $15.00 out

Compare Models

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OpenAI

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