GLM 5.2 vs GPT-6 Sol
GLM 5.2 
GPT-6 Sol Verdict
- GPT-6 Sol (max) leads on quality: 67.7 vs 63.4.
- GLM 5.2 (max) is stronger in agents & tools, coding, human preference, instruction following, maths.
- GPT-6 Sol (max) is stronger in composite, knowledge, long context, reasoning, multimodal.
- GLM 5.2 (max) is 1.9× cheaper ($2.15 vs $4.00 per 1M blended).
- GPT-6 Sol (max) streams 1.8× faster (126 vs 68 tokens per second).
| Metric | GLM 5.2 (max) | GPT-6 Sol (max) |
|---|---|---|
| BenchLeader Index | 63.4 | 67.7 |
| Agents & tools score | 63.8 | – |
| Coding score | 63.5 | – |
| Composite score | 69.6 | 86.2 |
| Human preference score | 67.2 | – |
| Instruction following score | 71.6 | – |
| Knowledge score | 54.9 | 75.4 |
| Long context score | 64.9 | 67.7 |
| Maths score | 59.0 | – |
| Reasoning score | 71.5 | 95.0 |
| Multimodal score | – | 67.1 |
| Blended price $/M | $2.15 | $4.00 |
| Output speed | 68 tok/s | 126 tok/s |
| Time to first answer | 34.0 s | 107.2 s |
| Context window | 1M | 1.1M |
| GPQA Diamond | 91.9% | – |
| FrontierMath Tiers 1–3 | 59.2% | – |
| FrontierMath Tier 4 | 29.3% | – |
| OTIS Mock AIME | 86.4% | – |
| SWE-bench Verified (Epoch) | 78.7% | – |
| SimpleQA Verified | 34.2% | – |
| SciCode | 50.5% | – |
| WeirdML | 70.1% | – |
| ProofBench | 35.0% | – |
| LMArena Text | 1472 | – |
| LMArena Hard Prompts | 1493 | – |
| LMArena Coding | 1510 | – |
| LMArena WebDev | 1592 | – |
| LMArena Agent | 4.4 | – |
| AA Intelligence Index | 33.7 | 47.5 |
| IFBench | 73.3% | – |
| AA-LCR | 78.3% | 83.7% |
| MMMU-Pro | – | 83.3% |
| AA-Omniscience | 4.4 | 27.1 |
| Terminal-Bench Hard | 50.8% | – |
| GPQA Diamond (AA) | 89.5% | – |
| Humanity's Last Exam (AA) | 41.1% | 47.9% |
| SciCode (AA) | 51.2% | 57.6% |
| τ²-Bench Telecom (AA) | 99.1% | – |
| Terminal-Bench 2.1 (Vals) | 67.8% | – |
| SWE-bench (Vals) | 82.8% | – |
| CritPt | 20.9% | 30.9% |
| GDPval (AA) | 42.9% | 49.4% |
| τ²-Bench Banking (AA) | 34.6% | – |
| ITBench SRE (AA) | 42.7% | – |
| APEX-Agents (AA) | 33.7% | – |
| Code Migration | 37.9% | – |
| Harvey's Legal Agent Benchmark | 7.1% | – |
| Legal Research Bench | 31.3% | – |
| ProgramBench | 0.5% | – |
| SkillsBench | 45.1% | – |
| SREBench | 0.0% | – |
| Vibe Code Bench v1.1 | 64.0% | – |
| LMArena Maths | 1480 | – |
| LMArena Creative Writing | 1451 | – |
| LMArena Instruction Following | 1466 | – |
| LMArena Multi-turn | 1469 | – |
| LMArena Longer Queries | 1483 | – |
| Chess Puzzles | 21.0% | – |
| EBR-bench | 9.5% | – |
| PostTrainBench | 31.7% | – |
| DeepSWE | 43.8% | – |
| LMCA | 45.8% | – |
| DTBench | 93.6% | – |
| ALE-Bench | 1010.2 | – |
| Terminal-Bench 4.0 (AA) | 1.0% | 43.9% |
| Terminal-Bench 2.1 (AA) | 77.9% | – |
| AutomationBench | – | 61.6% |
| GDP.pdf | – | 24.8% |
| MLCR | – | 16.1% |
| AA-Omniscience: accuracy | 24.3% | 54.5% |
| AA-Omniscience: non-hallucination | 73.7% | 39.9% |
| AA-Briefcase | – | 1483 |
Data as of 2026-09-23. Best configuration of each model; every score links to its source on the model pages.
GLM 5.2 vs GPT-6 Sol: questions
- Is GLM 5.2 better than GPT-6 Sol?
- GPT-6 Sol (max) leads on quality: 67.7 vs 63.4. The BenchLeader Index combines every independent quality benchmark; GPT-6 Sol (max) is ahead overall as of 2026-09-23, but check the category scores for your use.
- Which is cheaper, GLM 5.2 or GPT-6 Sol?
- GLM 5.2 is cheaper: $2.15 against $4.00 per million tokens, blended at three input tokens per output token.
- Which is faster, GLM 5.2 or GPT-6 Sol?
- GPT-6 Sol streams faster: 126 against 68 output tokens per second.
- Which has the larger context window?
- GPT-6 Sol accepts more context: 1.1M against 1M tokens.