Alex Getmanearly AI signals

GLM-5.3 FlashX

Z.ai

API availabilityRelease date unknownUpdated
Context window
1M
1,048,576 tokens
Max output
131K
131,072 tokens
Input / Output
file, image, text, video → text

API pricing

USD / 1M tokens

InputOutputCached input
  • $0.37
zai-pricing
  • $1.25
zai-pricing
  • $0.075
zai-pricing
Input / output price · USD / 1M tokens
ModelEvidence linksInput / output price
glm-5.3-flashx
standard
zai-pricing
API route unavailable
$0.37 / $1.25

Evidence links

Alex's take

Signals 1

Specifications

GLM-5.3 FlashX is a model from Z.ai, first recorded on 18 Sep 2026; its release date is not established. The context window is 1,048,576 tokens. The maximum output is 131,072 tokens. Pricing is $0.37 per million input tokens and $1.25 per million output tokens.

Context window
1,048,576
Max output
131,072
Input
file · image · text · video
Output
text
Input · USD / 1M tokens
$0.37
Output · USD / 1M tokens
$1.25
Cached input · USD / 1M tokens
$0.075

Questions

What is the context window of GLM-5.3 FlashX?

The context window is 1,048,576 tokens. The maximum output is 131,072 tokens.

How much does GLM-5.3 FlashX cost?

Pricing is $0.37 per million input tokens and $1.25 per million output tokens. Cached input is $0.075 per million.

When was GLM-5.3 FlashX released?

Its release date is not established. Signal Forge first recorded it on 18 Sep 2026.