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deprecated

GLM-5.1

greenpt/glm-5-1

Prices

Input

$1.40 per 1M tokens

low
Input (>32k ctx)

$1.10 per 1M tokens

low
Input (cache write)

$0.00 per 1M tokens

low
Input (cached read)

$0.26 per 1M tokens

low
Output

$4.40 per 1M tokens

low
Output (>32k ctx)

$3.85 per 1M tokens

low

Specifications

Provider
greenpt
Context window
163,840
Max output tokens
163,840
Open weights
yes
Released
04/07/2026
Retires
no date announced
First seen by this tracker

Price history

Input — per 1M tokens

1.76009/14/2026today
Recorded changes for Input
FromAmount
09/14/20261.76
09/23/20261.4

Output — per 1M tokens

5.52009/14/2026today
Recorded changes for Output
FromAmount
09/14/20265.52
09/23/20264.4

No changes recorded

Input (cached read)
0.26 per 1M tokens, unchanged since 09/14/2026
Input (cache write)
0 per 1M tokens, unchanged since 09/14/2026
Input (>32k ctx)
1.1 per 1M tokens, unchanged since 09/14/2026
Output (>32k ctx)
3.85 per 1M tokens, unchanged since 09/14/2026

Last updated 10/03/2026, 02:10