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Comparison

Claude Opus 4.5 vs Claude Sonnet 4.6

Side-by-side comparison of Anthropic Claude Opus 4.5 and Anthropic Claude Sonnet 4.6. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding70 / 68Math90 / 87Reasoning84 / 92Language68 / 66

Claude Opus 4.5

78.0Frontier

Claude Sonnet 4.6

78.1Frontier

Claude Opus 4.5
Claude Sonnet 4.6

Input Price (per 1M)

$5.00
$3.00
40% less

Output Price (per 1M)

$25.00
$15.00
40% less

Context Window

200K
1M
5.0x

Max Output

64K
128K
2.0x

Anthropic

Claude Opus 4.5

vs

Anthropic

Claude Sonnet 4.6

Pricing per 1M Tokens

$5.00

Input

Input

$3.00

40% cheaper

Input

$25.00

Output

Output

$15.00

40% cheaper

Output

Token Limits

Context

200K

Context

Context

1M

Max Output

64K

Max Output

Max Output

128K

VisionTools
VisionTools

Claude Opus 4.5 Details

$5.00 in / $25.00 out

Claude Sonnet 4.6 Details

$3.00 in / $15.00 out

Compare Models

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