GLM 5.3 Flash
by Z.aitext+image+video->text40 endpoints
Neura Intelligence Index
89.9/ 100
Rank
#17—
Confidence
lowBenchmarks
3(8% coverage)
Overview
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while reducing compute overhead.
Capabilities
Text generation
Image understanding
Video understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Top-P sampling
Stop sequences
Deterministic seed
Log probabilities
Modalities
Input
TextImageVideo
Output
Text
Technical Specifications
Context Window
1.0M tokens
Max Output
943.7K tokens
Tokenizer
Other
Uptime (24h)
10000.0%
Parameters
320000000000B
License
mitOpen Weights
Country
🇨🇳CN
Release Date
August 26, 20262mo
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Benchmark Performance
reasoning
| Benchmark | Score | Source |
|---|---|---|
| Humanity's Last Exam | 55.3 | verified |
multimodal
| Benchmark | Score | Source |
|---|---|---|
| CharXiv Reasoning | 89.4 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| Toolathlon | 78.4 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.15
Output$0.50
Cache read$0.03
Added
August 26, 2026
Last synced 11/7/2026