What does GLM-5.3-Flash cost?

GLM-5.3-Flash is priced at $0.5 output and $0.15 input (USD per 1M tokens)

How large is the context window of GLM-5.3-Flash?

GLM-5.3-Flash has a 1M Tokens context window with up to 943K Tokens output.

Where can I access GLM-5.3-Flash?

Official channels: Website and API platform.

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Zhipu AI

GLM-5.3-Flash

SOpen

A lightweight multimodal version of Zhipu GLM-5.3 with a 1M context window, supporting image, video, file, and text inputs, with free cache storage for a limited time.

API Pricing

Input

$0.15

Output

$0.5

Cached input

$0.03

Peak hours

—

USD / 1M tokens

※ Overseas pricing (Z.ai official pricing page https://docs.z.ai/guides/overview/pricing, verified 2026-10-24): $0.15 input / $0.50 output per million tokens (cache hit $0.03, cache storage free for a limited time).

Price sourcedocs.z.ai ↗cloud.tencent.com ↗· verified 2026-10-24

No price change in the last two snapshots

Price history

10 snapshots · 2026-06-15 → 2026-08-17

Current: $50Period low: $50 (2026-06-15)Period high: $50 (2026-06-15)First tracked: $50 (2026-06-15)

Specifications

Context window: 1M Tokens
Max output: 943K Tokens
Total parameters: 321B
Architecture: MoE
Input modalities: Text · Image · Video · File
License: MIT

Overall score

Total

70.7

Rank

Tier

Data confidence

84%

Capability64

Scale66.5

Value97

Context83.1

Ecosystem70

Freshness35

Capabilities & use cases

Key capabilities

Multimodal understanding
Free cache storage for a limited time

Best for

High-concurrency low-cost inference
Multimodal understanding
Long document processing

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Same vendor

GLM-5.3 GLM-5.1 GLM-4.6

FAQ

What does GLM-5.3-Flash cost?: GLM-5.3-Flash is priced at $0.5 output and $0.15 input (USD per 1M tokens)
How large is the context window of GLM-5.3-Flash?: GLM-5.3-Flash has a 1M Tokens context window with up to 943K Tokens output.
Where can I access GLM-5.3-Flash?: Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.