GLM-5.3-Flash
Canonical page on the main site: chinaaihub.com/models/glm-53-flash
Provider
Model Family
GLM-5.3-Flash
Version
FlashX
Aliases
- glm-5.3-flashx
- GLM-5.3-FlashX
Release Date
2026-08-26
Status
active
Architecture
320B total / 18B active; first open-source frontier model combining sparse + linear attention; mHC hyper-connections; 30T-token multimodal pre-training corpus
Parameter Information
- total_parameters: 320B
- active_parameters: 18B
Context Window
1048576
Maximum Output
131072
Capabilities
- reasoning: Yes
- coding: Yes
- vision: Yes
- video: Yes
- computer_use: Yes
- agent_capability: Yes
Open Weight
Yes
License
Apache-2.0 (per GitHub repo metadata; README has no separate weights-license section - verify per-model HF cards before reuse)
Self Hosting
Yes
Api Available
Yes
Pricing
- input_price_per_1m: 0.15
- output_price_per_1m: 0.5
- currency: USD
- pricing_ref: zhipu-ai
Official Api
Yes
Cloud Providers
- Z.ai
- BigModel
Regions
- international
- china
Benchmark Results
| benchmark | score | metric | date | source_type | source_url |
|---|---|---|---|---|---|
| Artificial Analysis Intelligence Index v4.1.1 | 57 | index score | 2026-08-26 | vendor_reported | https://docs.z.ai/guides/vlm/glm-5.3-flash |
| DeepSWE v1.1 | 63.4 | accuracy | 2026-08-26 | vendor_reported | https://docs.z.ai/guides/vlm/glm-5.3-flash |
| AutomationBench | 48.8 | accuracy | 2026-08-26 | vendor_reported | https://docs.z.ai/guides/vlm/glm-5.3-flash |
Known Limitations
- FlashX tier not yet available on the GLM Coding Plan (pay-as-you-go only)
- Reasoning always enabled; cannot be disabled
- Z.ai Code Bench is a private in-house benchmark
- Benchmarks vendor-reported; not independently verified
Last Verified
2026-09-20
Sources
| source_name | source_url | source_type | last_verified | confidence |
|---|---|---|---|---|
| Z.ai docs — GLM-5.3-Flash model page | https://docs.z.ai/guides/vlm/glm-5.3-flash | official | 2026-09-20 | high |
| Z.ai pricing | https://docs.z.ai/guides/overview/pricing | official | 2026-09-20 | high |
| GLM-5 GitHub repository | https://github.com/zai-org/GLM-5 | official | 2026-09-20 | high |