The Model Index
Up to four models

GLM-5.3 vs Grok 4.6

On the index (GPT-4 = 100), GLM-5.3 scores 172 and Grok 4.6 171. Side by side on the same third-party tests, with price and context. The link in your address bar shares this exact comparison.

Next to GLM-5.3
Presets
GLM-5.3
172155–188
WeightsOpen
ReleasedAug 2026
Price in / out$0.077 / $1.4
Context1.05M
Core tests taken5 of 9
Grok 4.6
171155–188
WeightsClosed
ReleasedAug 2026
Price in / out$2.0 / $6.0
Context500K
Core tests taken6 of 9

GLM-5.3 and Grok 4.6 are too close to call (0 points apart, within the uncertainty), ahead on 3 of 5 shared core tests, and costs 7.4× less.

Test by testthird-party results

GLM-5.3Grok 4.6
0%25%50%75%100%REASONING & KNOWLEDGEGPQA Diamond (Epoch AI)GPQA Diamond (Epoch AI)LiveBench Data AnalysisLiveBench Data AnalysisLiveBench IFLiveBench IFLiveBench LanguageLiveBench LanguageLiveBench ReasoningLiveBench ReasoningGPQA Diamond (Vals AI)GPQA Diamond (Vals AI)MMLU ProMMLU ProSimpleQA VerifiedSimpleQA VerifiedMATHSFrontierMath (tiers 1-3)FrontierMath (tiers 1-3)AIME-style maths (OTIS mock)AIME-style maths (OTIS mock)LiveBench MathematicsLiveBench MathematicsProofBench v1.1ProofBench v1.1Chess puzzlesChess puzzlesFrontierMath (tier 4)FrontierMath (tier 4)CODINGTerminal-Bench 4.0Terminal-Bench 4.0LiveBench Agentic CodingLiveBench Agentic CodingLiveBench CodingLiveBench CodingCode MigrationCode MigrationCyberBench v1.1CyberBench v1.1IOIIOILiveCodeBenchLiveCodeBenchProgramBenchProgramBenchSWE-benchSWE-benchVibe Code Bench 1-100Vibe Code Bench 1-100Vibe Code Bench v1.1Vibe Code Bench v1.1DeepSWEDeepSWEFrontierSWEFrontierSWEWeirdMLWeirdMLAGENTSAPEX-AgentsAPEX-AgentsSkillsBenchSkillsBenchTerminal-Bench-ScienceTerminal-Bench-ScienceDTBenchDTBenchLMCALMCAMystery game puzzlesMystery game puzzlesPROFESSIONAL WORKFinance Agent (v2)Finance Agent (v2)EMBEMBLegalBenchLegalBenchLegal Research BenchLegal Research BenchMedCodeMedCodeMedScribeMedScribePublic Benefits Bench v1.1Public Benefits Bench v1.1Tax Agent BenchTax Agent BenchTaxEval v2TaxEval v2NOVEL PROBLEMSMysteryMechanismMysteryMechanism
Every result as a table
TestGLM-5.3Grok 4.6
Reasoning & knowledge
GPQA Diamond (Epoch AI)90.9%94.0%
LiveBench Data Analysis70.2%73.9%
LiveBench IF69.3%71.9%
LiveBench Language79.9%83.7%
LiveBench Reasoning85.8%90.5%
GPQA Diamond (Vals AI)88.1%94.7%
MMLU Pro86.8%89.4%
SimpleQA Verified41.0%49.3%
Maths
FrontierMath (tiers 1-3)68.8%66.0%
AIME-style maths (OTIS mock)91.1%99.2%
LiveBench Mathematics87.9%92.6%
ProofBench v1.149.0%51.0%
Chess puzzles37.0%33.0%
FrontierMath (tier 4)29.3%31.7%
Coding
Terminal-Bench 4.038.9%17.2%
LiveBench Agentic Coding60.9%57.0%
LiveBench Coding79.0%76.8%
Code Migration44.2%44.6%
CyberBench v1.172.1%67.7%
IOI68.4%47.6%
LiveCodeBench80.5%88.2%
ProgramBench1.5%1.0%
SWE-bench95.4%95.6%
Vibe Code Bench 1-10020.0%14.8%
Vibe Code Bench v1.178.1%76.2%
DeepSWE69.0%67.5%
FrontierSWE30.2%25.3%
WeirdML75.4%67.3%
Agents
APEX-Agents56.6%65.3%
SkillsBench47.5%55.8%
Terminal-Bench-Science5.7%11.4%
DTBench87.7%97.3%
LMCA55.5%48.4%
Mystery game puzzles33.0%34.0%
Professional work
Finance Agent (v2)55.8%53.7%
EMB56.3%62.7%
LegalBench84.8%86.3%
Legal Research Bench49.0%48.1%
MedCode42.9%44.7%
MedScribe88.8%86.5%
Public Benefits Bench v1.168.5%66.8%
Tax Agent Bench39.7%33.1%
TaxEval v272.4%71.1%
Novel problems
MysteryMechanism23.0%30.6%

Tests at least two of these models have taken. Bold rows are the core tests.

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