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GLM 5.3 Flash (batch) API pricing.

GLM 5.3 Flash (batch) is Z.ai’s model on the API market, released 26 Aug 2026. Prices are per million tokens in USD, as last read from the price list.

$0.050Input / 1M
$0.18Output / 1M
1.0MContext
131KMax output

This is a variant of GLM 5.3 Flash at a different price.

Specification
USD per million tokens
Provider
Z.ai
Model id
z-ai/glm-5.3-flash:batch
Input
$0.050
Output
$0.18
Cached input
$0.010
Context window
1.0M tokens
Maximum output
131K tokens
Takes
text, image, video
Returns
text
Tool use
Yes
Reasoning
Yes
Released
26 Aug 2026
First tracked
17 Sept 2026

At $0.050 per million input tokens, GLM 5.3 Flash (batch) is dearer than 19 of the 340 models on the price list.

Price changes
Tracked since 17 Sept 2026

No price change has been recorded since tracking began on 17 Sept 2026. Prices are checked every six hours, and any change is listed here and on model changes.

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Other entries for this model
More from Z.ai
Cheapest input first
  1. GLM 5.2$0.006 in · $6.80 out
  2. GLM 5.3 Flash$0.029 in · $0.092 out
  3. GLM 4.7 Flash$0.061 in · $0.40 out
  4. GLM 5.3$0.080 in · $3.60 out
  5. GLM 4.5 Air$0.13 in · $0.85 out
  6. GLM 4.6V$0.30 in · $0.90 out
  7. GLM 5.3 FlashX$0.37 in · $1.25 out
  8. GLM 4.6$0.50 in · $2.00 out

Prices and specifications come from OpenRouter’s catalogue, last read 2 Nov 2026. A provider’s own price may differ; how this is collected.