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Comparison

Claude Opus 4 vs GPT 5 Chat

Side-by-side comparison of Anthropic Claude Opus 4 and OpenAI GPT 5 Chat. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding98 / 85Math98 / 85Reasoning98 / 85Language98 / 85

Claude Opus 4

98.4Frontier

GPT 5 Chat

85.0Frontier

Claude Opus 4
GPT 5 Chat

Input Price (per 1M)

$15.00
$1.25
92% less

Output Price (per 1M)

$75.00
$10.00
87% less

Context Window

200K
1.6x
128K

Max Output

32K
2.0x
16.4K

Anthropic

Claude Opus 4

vs

OpenAI

GPT 5 Chat

Pricing per 1M Tokens

$15.00

Input

Input

$1.25

92% cheaper

Input

$75.00

Output

Output

$10.00

87% cheaper

Output

Token Limits

Context

200K

Context

Context

128K

Max Output

32K

Max Output

Max Output

16.4K

VisionTools
Vision

Claude Opus 4 Details

$15.00 in / $75.00 out

GPT 5 Chat Details

$1.25 in / $10.00 out

Compare Models

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OpenAI

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