Zhipu AI (Z.ai)open-weight
Released: 2026-09-18

Z.ai: GLM 5.3 FlashX

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Intelligence Index
85.0/ 100
Calibrated multi-domain composite
Throughput Speed
85tok/sec
Output streaming throughput
Time To First Token
280ms
Initial chunk server latency
LiveBench Contam-Free
74.8%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning78.2%
Coding & Repo Repair76.5%
Mathematics (AIME)75.7%
Data Analysis & Tables72.3%
Language & Comprehension74.0%
Instruction Following74.8%

Sourced Benchmark Evaluations (61)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
RULERNearing Saturation78.2%
84
2026-09-12independentSource ↗
MercuryDeprecated71.1%
10
2026-09-12independentSource ↗
MGSMNearing Saturation75.1%
65
2026-09-12independentSource ↗
MMLUSaturated86.7%
25
2026-09-12independentSource ↗
MMLU-ProNearing Saturation78.2%
75
2026-09-12independentSource ↗
MMLU-ReduxSaturated83.3%
25
2026-09-12independentSource ↗
MT-BenchNearing Saturation7.7%
75
2026-09-12independentSource ↗
MultiPL-EDeprecated74.3%
10
2026-09-12independentSource ↗
Needle-in-a-HaystackSaturated97%
44
2026-09-12independentSource ↗
OlympiadBenchActive64.9%
80
2026-09-12independentSource ↗
Omni-MATHDeprecated58.5%
10
2026-09-12independentSource ↗
OpenAI-MRCRActive71.4%
80
2026-09-12independentSource ↗
PutnamBenchActive41.1%
90
2026-09-12independentSource ↗
QASPERNearing Saturation70.6%
65
2026-09-12independentSource ↗
QuALITYNearing Saturation74.8%
78
2026-09-12independentSource ↗
AGIEvalSaturated71%
25
2026-09-12independentSource ↗
SCROLLSNearing Saturation68%
65
2026-09-12independentSource ↗
SimpleQAActive44.2%
90
2026-09-12independentSource ↗
SoohakActive60.1%
98
2026-09-12independentSource ↗
StructFlowBenchNearing Saturation63.6%
75
2026-09-12independentSource ↗
SuperGLUESaturated84.2%
25
2026-09-12independentSource ↗
SWE-benchDeprecated54.9%
10
2026-09-12independentSource ↗
SWE-bench ProActive50.1%
90
2026-09-12independentSource ↗
SWE-bench VerifiedSaturated63%
25
2026-09-12independentSource ↗
SWE-LancerDeprecated54.9%
20
2026-09-12independentSource ↗
TabMWPSaturated72.8%
25
2026-09-12independentSource ↗
Terminal-BenchActive56.6%
80
2026-09-12independentSource ↗
TruthfulQASaturated74.8%
25
2026-09-12independentSource ↗
WinoGrandeSaturated85.8%
28
2026-09-12independentSource ↗
ZeroSCROLLSNearing Saturation68%
78
2026-09-12independentSource ↗
MBPPSaturated85.6%
25
2026-09-12independentSource ↗
AgentIFNearing Saturation50.9%
80
2026-09-12independentSource ↗
AIMENearing Saturation75.1%
75
2026-09-12independentSource ↗
ARC-AGISaturated77.6%
25
2026-09-12independentSource ↗
ARC-AGI-2Nearing Saturation64.4%
75
2026-09-12independentSource ↗
ARC-AGI-3Active53.6%
93
2026-09-12independentSource ↗
BIG-Bench HardSaturated80.9%
25
2026-09-12independentSource ↗
CodeContestsDeprecated52.5%
10
2026-09-12independentSource ↗
CodeXGLUEDeprecated76%
23
2026-09-12independentSource ↗
CommonsenseQASaturated86.6%
28
2026-09-12independentSource ↗
ComplexBenchNearing Saturation61.3%
80
2026-09-12independentSource ↗
CyberSecEvalDeprecated72.7%
10
2026-09-12independentSource ↗
FireBenchActive62.8%
95
2026-09-12independentSource ↗
FrontierCodeActive46.9%
98
2026-09-12independentSource ↗
FrontierMathActive22.1%
98
2026-09-12independentSource ↗
GLUESaturated89.1%
28
2026-09-12independentSource ↗
GPQANearing Saturation74.8%
78
2026-09-12independentSource ↗
GSM-HardDeprecated75.9%
10
2026-09-12independentSource ↗
GSM8KSaturated85.4%
25
2026-09-12independentSource ↗
HumanEvalSaturated92.1%
25
2026-09-12independentSource ↗
HumanEval+Saturated87.3%
25
2026-09-12independentSource ↗
Humanity's Last ExamActive36.3%
93
2026-09-12independentSource ↗
IFEvalDeprecated73.3%
25
2026-09-12independentSource ↗
InfiniteBenchNearing Saturation72.3%
65
2026-09-12independentSource ↗
LiveCodeBenchSaturated66.3%
39
2026-09-12independentSource ↗
LongBenchNearing Saturation73.1%
65
2026-09-12independentSource ↗
LongBench-ProActive69.7%
80
2026-09-12independentSource ↗
MATHSaturated77.5%
25
2026-09-12independentSource ↗
MathArenaActive63.3%
99
2026-09-12independentSource ↗
MBPP+Nearing Saturation82.4%
65
2026-09-12independentSource ↗
LiveBench (Continuous)Active74.8%
94
2025-02-01independentSource ↗
Local Hardware Execution (Ollama)Hardware Compatible
# 1. Pull and execute model locally with Ollama
ollama run z-ai-glm-5-3-flashx

# 2. Or invoke via local OpenAI-compatible endpoint
curl http://localhost:11434/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{
    "model": "z-ai-glm-5-3-flashx",
    "messages": [{"role": "user", "content": "Analyze reasoning chains on AIME 2026"}]
  }'

Evaluation & Sourcing Notes

Scores listed for Z.ai: GLM 5.3 FlashX represent verified evaluations extracted from official research papers, independent evaluation suites (HELM, LMSYS, OpenCompass, LiveBench), and verified audit reports.

All benchmarks marked as saturated or deprecated reflect historical performance where the benchmark no longer provides active discriminative power.