The Model Index
Up to four models

GPT-6.1 Sol vs GLM-5.3

On the index (GPT-4 = 100), GPT-6.1 Sol scores 196 and GLM-5.3 172. 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 GPT-6.1 Sol
Presets
GPT-6.1 Sol
196180–212
WeightsClosed
ReleasedSep 2026
Price in / out$2.0 / $10
Context1.05M
Core tests taken6 of 9
GLM-5.3
172155–188
WeightsOpen
ReleasedAug 2026
Price in / out$0.077 / $1.4
Context1.05M
Core tests taken5 of 9

GPT-6.1 Sol leads GLM-5.3 by 24 points, ahead on 4 of 5 shared core tests, at 9.8× the price.

Test by testthird-party results

GPT-6.1 SolGLM-5.3
0%25%50%75%100%REASONING & KNOWLEDGEGPQA Diamond (Epoch AI)GPQA Diamond (Epoch AI)LiveBench Data AnalysisLiveBench Data AnalysisLiveBench IFLiveBench IFLiveBench LanguageLiveBench LanguageLiveBench ReasoningLiveBench ReasoningSimpleQA 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 v1.1IOIIOIProgramBenchProgramBenchVibe Code Bench v1.1Vibe Code Bench v1.1AGENTSAPEX-AgentsAPEX-AgentsSRE BenchSRE BenchTerminal-Bench-ScienceTerminal-Bench-ScienceDTBenchDTBenchLMCALMCAMystery game puzzlesMystery game puzzlesPROFESSIONAL WORKFinance Agent (v2)Finance Agent (v2)EMBEMBHLAB-Vals-1.1HLAB-Vals-1.1Legal Research BenchLegal Research BenchMedCodeMedCodeMedScribeMedScribePublic Benefits Bench v1.1Public Benefits Bench v1.1Tax Agent BenchTax Agent BenchNOVEL PROBLEMSMysteryMechanismMysteryMechanism
Every result as a table
TestGPT-6.1 SolGLM-5.3
Reasoning & knowledge
GPQA Diamond (Epoch AI)95.4%90.9%
LiveBench Data Analysis82.7%70.2%
LiveBench IF74.2%69.3%
LiveBench Language90.1%79.9%
LiveBench Reasoning92.6%85.8%
SimpleQA Verified73.9%41.0%
Maths
FrontierMath (tiers 1-3)93.7%68.8%
AIME-style maths (OTIS mock)100.0%91.1%
LiveBench Mathematics96.8%87.9%
ProofBench v1.199.0%49.0%
Chess puzzles68.0%37.0%
FrontierMath (tier 4)100.0%29.3%
Coding
Terminal-Bench 4.055.0%38.9%
LiveBench Agentic Coding56.8%60.9%
LiveBench Coding80.7%79.0%
Code Migration65.1%44.2%
CyberBench v1.139.3%72.1%
IOI96.9%68.4%
ProgramBench3.0%1.5%
Vibe Code Bench v1.188.9%78.1%
Agents
APEX-Agents60.0%56.6%
SRE Bench50.8%9.2%
Terminal-Bench-Science52.9%5.7%
DTBench96.5%87.7%
LMCA62.8%55.5%
Mystery game puzzles80.0%33.0%
Professional work
Finance Agent (v2)52.0%55.8%
EMB70.8%56.3%
HLAB-Vals-1.16.3%14.6%
Legal Research Bench38.5%49.0%
MedCode48.8%42.9%
MedScribe86.5%88.8%
Public Benefits Bench v1.159.3%68.5%
Tax Agent Bench21.8%39.7%
Novel problems
MysteryMechanism46.4%23.0%

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

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