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GLM 5.1

Z.ai205K contextReasoningTool calling

LMArena score 1463 · #38 overall · #44 in coding (2026-10-13)

Official price from Alibaba Cloud Model Studio

Pricing page

Per million tokens

Input
$1.40
Output
$4.40
Cached input
$0.26
Batch input / output
—
  • Up to 131K output tokens per request.

Estimate your monthly cost

Est. per month = input tokens × input price + output tokens × output price. Prices are per million tokens, so 10M input tokens at $3.00 cost $30.

From Alibaba Cloud Model Studio: $22.80 a month. DeepInfra is the cheapest seller at $17.50, $5.30 less.

Where to buy it (8)

Sorted by your monthly estimate. Prices per million tokens.

  • DeepInfraCheapest

    Input / output
    $1.05 / $3.50
    Context
    203K
    Per month
    $17.50

    deepinfra/zai-org/GLM-5.1

  • Novita AI

    Input / output
    $1.38 / $4.40
    Context
    205K
    Per month
    $22.60

    novita/zai-org/glm-5.1

  • Alibaba Cloud Model StudioOfficial

    Input / output
    $1.40 / $4.40
    Context
    203K
    Per month
    $22.80

    dashscope/glm-5.1

  • FriendliAI

    Input / output
    $1.40 / $4.40
    Context
    203K
    Per month
    $22.80

    friendliai/zai-org/GLM-5.1

  • Nebius

    Input / output
    $1.40 / $4.40
    Context
    203K
    Per month
    $22.80

    nebius/zai-org/GLM-5.1

  • Qwen AI Platform

    Input / output
    $1.40 / $4.40
    Context
    203K
    Per month
    $22.80

    qwen_ai_platform/glm-5.1

  • Qwen Cloud

    Input / output
    $1.40 / $4.40
    Context
    203K
    Per month
    $22.80

    qwencloud/glm-5.1

  • Z.aiOfficial

    Input / output
    $1.40 / $4.40
    Context
    200K
    Per month
    $22.80

    zai/glm-5.1

Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Reasoning, Tool calling.

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