Compare · ModelsLive · 2 picked · head to head
GLM 5.3 vs Grok 4
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GLM 5.3 wins on 5/6 benchmarks
GLM 5.3 wins 5 of 6 shared benchmarks. Leads in agentic · knowledge · math.
Category leads
agentic·GLM 5.3knowledge·GLM 5.3math·GLM 5.3coding·GLM 5.3
Hype vs Reality
Attention vs performance
GLM 5.3
#70 by perf·#3 by attention
Grok 4
#91 by perf·#16 by attention
Vendor risk
Who is behind the model
z-ai
private · undisclosed
xAI
$250.0B·Tier 1
Head to head
6 benchmarks · 2 models
GLM 5.3Grok 4
APEX-Agents
GLM 5.3 leads by +41.4
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
GLM 5.3
56.6
Grok 4
15.2
Chess Puzzles
GLM 5.3 leads by +9.5
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
GLM 5.3
33.7
Grok 4
24.2
GPQA diamond
GLM 5.3 leads by +5.2
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
GLM 5.3
87.9
Grok 4
82.7
OTIS Mock AIME 2024-2025
GLM 5.3 leads by +7.1
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
GLM 5.3
91.1
Grok 4
84.0
SimpleQA Verified
Grok 4 leads by +6.9
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
GLM 5.3
41.0
Grok 4
47.9
WeirdML
GLM 5.3 leads by +29.7
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
GLM 5.3
75.4
Grok 4
45.7
Full benchmark table
| Benchmark | GLM 5.3 | Grok 4 |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 56.6 | 15.2 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 33.7 | 24.2 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 87.9 | 82.7 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 91.1 | 84.0 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 41.0 | 47.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 75.4 | 45.7 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
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