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Comparison

GPT 5 vs Claude 3.5 Sonnet

Side-by-side comparison of OpenAI GPT 5 and Anthropic Claude 3.5 Sonnet. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding92 / 75Math92 / 75Reasoning92 / 75Language92 / 75

GPT 5

91.5Frontier

Claude 3.5 Sonnet

75.3Frontier

GPT 5
Claude 3.5 Sonnet

Input Price (per 1M)

$1.25
79% less
$6.00

Output Price (per 1M)

$10.00
67% less
$30.00

Context Window

400K
2.0x
200K

Max Output

128K
15.6x
8.2K

OpenAI

GPT 5

vs

Anthropic

Claude 3.5 Sonnet

Pricing per 1M Tokens

$1.25

79% cheaper

Input

Input

$6.00

Input

$10.00

67% cheaper

Output

Output

$30.00

Output

Token Limits

Context

400K

Context

Context

200K

Max Output

128K

Max Output

Max Output

8.2K

VisionTools
VisionTools

GPT 5 Details

$1.25 in / $10.00 out

Claude 3.5 Sonnet Details

$6.00 in / $30.00 out

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