openopen-weightsReleased 2026-06

GLM-5.2

By Z.ai · Top open-weight coding, 1M context.

Input / 1M

$1.40

Output / 1M

$4.40

Context

1M tokens

Max output

131K tokens

GLM-5.2 pricing

GLM-5.2 costs $1.40 per million input tokens and $4.40 per million output tokens at standard API rates. That makes it cheaper than 11 of 25 other tracked models on input.

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GLM-5.2 benchmarks

SWE-bench Pro62.1%

Terminal-Bench 2.181%

Specs

Maker: Z.ai
Category: open
Released: 2026-06
Modalities: text
Open weights: Yes (MIT)
Context window: 1M tokens
Max output: 131K tokens

Official API docs ↗

Compare GLM-5.2 with

DeepSeek V4 Pro

DeepSeek · $0.43/$0.87 per 1M

Mistral Large 3 (2512)

Mistral AI · $0.50/$1.50 per 1M

Qwen3.5-397B-A17B

Alibaba · open-weights

Kimi K2.6

Moonshot AI · $0.67/$3.50 per 1M

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Data verified 2026-06-20. Prices are standard USD API rates per 1M tokens.