Balanced — strong quality at a mid priceOpen Weights

GLM 4.6 Pricing

Z.ai · z-ai-glm-4-6

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Input / 1M tokens

$0.500

Output / 1M tokens

$2.00

Context window

204,800 tokens

≈ 273 pages of text

Max output

131,072 tokens

What it costs in practice

Typical request (1,200 in + 400 out tokens)$0.0014

1,000 requests / month$1.40/mo 10,000 requests / month$14.00/mo 100,000 requests / month$140.00/mo

Estimate your own workloadOpens the calculator with GLM 4.6 preloaded — adjust volume and token counts there.

Price history

List price per 1M tokens since we started tracking in Jun 2026. Each step marks a price change — hover a point for the exact date and rate.

What it excels at

Strong long-context handling with 200k-token window and 128k output; suitable for document summarization and extended reasoning at moderate cost.

The business tradeoff

Open-weights release means output quality and latency vary with user deployment; reasoning depth trails closed frontier models on complex multi-step tasks.

Cheaper from Z.ai

GLM 4.7Z.ai$0.0012/ typical request GLM 4.7 FlashZ.ai$0.0002/ typical request

Same tier from other providers

GPT-5.4 MiniOpenAI$0.0027/ typical request Claude Sonnet 4.6Anthropic$0.0096/ typical request Llama 4 MaverickMeta$0.0006/ typical request

Head-to-head

GLM 4.6 vs GPT-5.4 Mini →GLM 4.6 vs Claude Sonnet 4.6 →GLM 4.6 vs Llama 4 Maverick →

Vendor list rates, as of Jul 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.