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Comparison

Glm 4.5 vs Glm 5.1

Side-by-side comparison of xAI Glm 4.5 and xAI Glm 5.1. Pricing, quality benchmarks, and context windows.

Quality Benchmarks

LiveBench / 0-100

Coding72 / 63Math72 / 85Reasoning72 / 69Language72 / 71

Glm 4.5

72.0Frontier

Glm 5.1

72.1Frontier

Glm 4.5
Glm 5.1

Input Price (per 1M)

$0.6000
43% less
$1.05

Output Price (per 1M)

$2.20
37% less
$3.50

Context Window

131.1K
202.8K
1.5x

Max Output

98.3K
1.5x
65.5K

xAI

Glm 4.5

vs

xAI

Glm 5.1

Pricing per 1M Tokens

$0.6000

43% cheaper

Input

Input

$1.05

Input

$2.20

37% cheaper

Output

Output

$3.50

Output

Token Limits

Context

131.1K

Context

Context

202.8K

Max Output

98.3K

Max Output

Max Output

65.5K

Tools
Tools

Glm 4.5 Details

$0.6000 in / $2.20 out

Glm 5.1 Details

$1.05 in / $3.50 out

Compare Models

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