AI Devtools Radar

GLM API

Model APIsz.ai6 published changes

2 sources under watch

Change timeline

other

Pricing table reorganized with new structural categories and headers.

Users will see pricing information reorganized into clearer sections (Image Generation Models, Other Pricing, Text Models) making it easier to find specific pricing tiers.

Evidence
−GLM-4.7-FlashX $0.07 $0.01 Limited-time Free $0.4 Built-in Tools Tool Cost Web Search $0.01 / use ​ GLM-Image $0.015 ​ Agents
+Built-in Tools Tool Cost Web Search $0.01 / use ​ Image Generation Models Prices per image. Model Price GLM-Image $0.015 ​ Agents Agent Price GLM Slide/Poster Agent(beta) $0.7 / MTok General-Purpose Translation $3 / MTok Popular Special Effects Video Templates $0.2 / video Other Pricing ​ Text Models Prices per 1M tokens. Model Input Cached Input Cached Input Storage Output GLM-4.7-FlashX $0.07 $0.01 Limited-time Free $0.4

docs.z.ai

pricinghigh

Introduction of GLM-5.3-FlashX model with tiered pricing structure

Developers can now use the new GLM-5.3-FlashX model with input pricing at $0.37, output pricing at $0.075, limited-time free tier option, and batch pricing at $1.25

Evidence
+GLM-5.3-FlashX $0.37 $0.075 Limited-time Free $1.25

docs.z.ai

pricinghigh

GLM-5.3-Flash pricing discount ended, prices reverted to full list prices

Users of GLM-5.3-Flash will now pay double the discounted rates; the 50% promotional pricing that was active until September 9, 2026 has ended.

Evidence
−$0.15 $0.075 $0.03 $0.015 $0.50 $0.25 GLM-5.3-Flash is available at a 50% discount (strikethrough prices are list prices). The promotion ends at 24:00 on September 9, 2026 (UTC+8, Singapore time).
+$0.15 $0.03 $0.50

docs.z.ai

pricinghigh

GLM-5.3-Flash model introduced with 50% discount promotion until September 9, 2026

Users can access a new flagship model GLM-5.3-Flash at discounted rates ($0.15/$0.075 input, $0.50/$0.25 output per 1M tokens) with limited-time 50% reduction, making it more affordable during the promotional period.

Evidence
−Text Models
+Latest Models GLM-5.3-Flash $0.15 $0.075 $0.03 $0.015 Limited-time Free $0.50 $0.25 GLM-5.3-Flash is available at a 50% discount (strikethrough prices are list prices). The promotion ends at 24:00 on September 9, 2026 (UTC+8, Singapore time).

docs.z.ai

featurehigh

GLM-5.3 released with 50% improvement in coding capabilities over GLM-5.2

Users gain significantly enhanced code generation and comprehension capabilities, reaching SOTA performance on public benchmarks including Terminal Bench 3.0.

Evidence
+Stronger Coding Capabilities: GLM-5.3 delivers a significant improvement in coding capabilities, achieving a 50% gain over GLM-5.2 on Z.ai Code Bench and reaching state-of-the-art (SOTA) performance among open-source models on public benchmarks, including Terminal Bench 3.0.

docs.z.ai

pricinghigh

GLM-5.3 model pricing introduced with input/output costs and limited-time free offer

Developers can now use the GLM-5.3 model at $1.4 input cost, $0.26 output cost, with a limited-time free tier available and $4.4 for additional services/tier.

Evidence
+GLM-5.3 $1.4 $0.26 Limited-time Free $4.4

docs.z.ai