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GLM-5.3-Flash pricing

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. GLM-5.3-Flash from Zhipu AI (GLM) costs $0.150 per 1M input tokens and $0.500 per 1M output tokens. Cached input is $0.030 per 1M. Context window 1,310,720 tokens.

API id glm-5.3-flash · Zhipu AI (GLM) · source · updated 2026-09-25 · general-purpose

$0.150
Input / 1M tokens
$0.500
Output / 1M tokens
$0.030
Cached input / 1M
1.3M
Context window

GLM-5.3-Flash specifications

API id
glm-5.3-flash
Model type
general-purpose
Context window
1.3M tokens
Max output
131K tokens
Currency
USD
Price source
First-party
Last checked
2026-09-25

Tags

  • fast

GLM-5.3-Flash across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

ProviderInput /1MCached /1MOutput /1M1M in + 1M outvs vendor
OpenRouterHostCheapest
$0.045$0.029$0.600$0.65−1%
Zhipu AI (GLM)Vendorviewing
$0.150$0.030$0.500$0.65—
$0.150$0.030$0.500$0.65—

What GLM-5.3-Flash costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0004
Document summary50,0002,000$0.0085
1M tokens in, 200K out1,000,000200,000$0.25

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

GLM-5.3-Flash price history

RecordedInput /1MOutput /1M
2026-08-27$0.150$0.500
2026-08-27$0.150$0.500

Common questions

How much does GLM-5.3-Flash cost per 1M tokens?
GLM-5.3-Flash costs $0.150 per 1M input tokens and $0.500 per 1M output tokens on the standard tier. Cached input is $0.030 per 1M.
What is GLM-5.3-Flash's context window?
GLM-5.3-Flash accepts up to 1,310,720 tokens in a single request, and can return up to 131,072 output tokens.
Is there a cheaper GLM model than GLM-5.3-Flash?
Yes. GLM-4.6V-Flash is free per 1M input tokens versus $0.150 for GLM-5.3-Flash.
Where does this GLM-5.3-Flash price come from?
Directly from Zhipu AI (GLM)'s published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Head-to-head comparisons

Other GLM models

See all GLM pricing →