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Comparison

Claude 3.5 Sonnet vs Claude Opus 4

Side-by-side comparison of Anthropic Claude 3.5 Sonnet and Anthropic Claude Opus 4. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding75 / 98Math75 / 98Reasoning75 / 98Language75 / 98

Claude 3.5 Sonnet

75.3Frontier

Claude Opus 4

98.4Frontier

Claude 3.5 Sonnet
Claude Opus 4

Input Price (per 1M)

$6.00
60% less
$15.00

Output Price (per 1M)

$30.00
60% less
$75.00

Context Window

200K
200K

Max Output

8.2K
32K
3.9x

Anthropic

Claude 3.5 Sonnet

vs

Anthropic

Claude Opus 4

Pricing per 1M Tokens

$6.00

60% cheaper

Input

Input

$15.00

Input

$30.00

60% cheaper

Output

Output

$75.00

Output

Token Limits

Context

200K

Context

Context

200K

Max Output

8.2K

Max Output

Max Output

32K

VisionTools
VisionTools

Claude 3.5 Sonnet Details

$6.00 in / $30.00 out

Claude Opus 4 Details

$15.00 in / $75.00 out

Compare Models

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Claude 3.5 Sonnet vs Claude Opus 4.6

$5.00/M in · Score 78.7

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Anthropic

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