Model comparison
GLM-4.5V vs GPT-6 Sol
GPT-6 Sol is the stronger model overall, scoring 61.8 to 39.8 on the Noometry Index. GLM-4.5V costs 4.4× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.
Last verified . 14 shared benchmarks.
Summary
- They share 14 benchmarks with published results for both. GLM-4.5V scores higher in 0 categories and GPT-6 Sol in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-6 Sol leads 87.2 to 37.4.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $2 / $10 for GPT-6 Sol.
- GPT-6 Sol accepts more context: 1.05M tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5V | GPT-6 Sol | |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 39.8 | 61.8 |
| Released | 2025-08-11 | 2026-09-22 |
| Weights | Open | Proprietary |
| Context window | 64K | 1.05M |
| Max output | 16K | 128K |
| Input $ / M tokens | $0.60 | $2 |
| Output $ / M tokens | $1.80 | $10 |
| Results tracked | 15 | 45 |
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Category by category
Coding GPT-6 Sol leads
GLM-4.5V: 39.5 (#155), GPT-6 Sol: 60.1 (#11)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Coding | 1347 | 1447 |
| DeepSWE | — | 68.8% |
| FrontierCode | — | 49.3% |
| LMArena WebDev | — | 1688 |
| SciCode | — | 57.6% |
| ALE-Bench | — | 2,462 |
Agentic & Tool Use Not comparable
GLM-4.5V: —, GPT-6 Sol: 37.2 (#36)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| APEX-Agents | — | 54.3% |
| GDP.pdf | — | 26.4% |
| Vending-Bench 2 | — | 14,428 |
Reasoning GPT-6 Sol leads
GLM-4.5V: 27.4 (#119), GPT-6 Sol: 74.0 (#9)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Hard Prompts | 1334 | 1418 |
| ARC-AGI-2 | — | 89.6% |
| Kagi LLM Benchmark | 59.8% | — |
| NYT Connections (extended) | — | 90.1% |
| ARC-AGI-1 | — | 95.5% |
| CritPt | — | 30.9% |
| EBR-Bench | — | 53.3% |
| Mystery Game Puzzles | — | 56% |
| DTBench | — | 97.3% |
| LMCA | — | 59.1% |
| Epoch Capabilities Index | — | 162.72 |
Math GPT-6 Sol leads
GLM-4.5V: 37.4 (#159), GPT-6 Sol: 87.2 (#7)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Math | 1354 | 1402 |
| FrontierMath (Tiers 1-3) | — | 89.8% |
| FrontierMath Tier 4 | — | 90% |
| OTIS Mock AIME 2024-2025 | — | 100% |
| ProofBench | — | 83% |
Knowledge GPT-6 Sol leads
GLM-4.5V: 37.5 (#156), GPT-6 Sol: 64.8 (#15)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Expert | 1353 | 1439 |
| GPQA Diamond | — | 94.3% |
| SimpleQA Verified | — | 60.7% |
| Vectara Hallucination Rate | — | 6.5% |
Multimodal GPT-6 Sol leads
GLM-4.5V: 34.3 (#92), GPT-6 Sol: 47.6 (#10)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Vision | 1154 | 1245 |
| Blueprint-Bench 2 | — | 36.9% |
| Furniture Assembly | — | 58.3% |
Multilingual GPT-6 Sol leads
GLM-4.5V: 44.6 (#177), GPT-6 Sol: 50.5 (#118)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Non-English | 1303 | 1385 |
| LMArena Chinese | 1337 | 1405 |
| LMArena Russian | 1298 | 1401 |
| LMArena Spanish | 1336 | 1384 |
| LMArena French | — | 1410 |
| LMArena German | — | 1390 |
| LMArena Japanese | — | 1385 |
| LMArena Korean | — | 1341 |
Instruction Following GPT-6 Sol leads
GLM-4.5V: 69.2 (#175), GPT-6 Sol: 74.5 (#94)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Instruction Following | 1311 | 1412 |
Long Context GPT-6 Sol leads
GLM-4.5V: 39.6 (#171), GPT-6 Sol: 43.1 (#108)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Longer Query | 1304 | 1411 |
Writing & Preference GPT-6 Sol leads
GLM-4.5V: 52.5 (#170), GPT-6 Sol: 71.9 (#18)
| Benchmark | GLM-4.5V | GPT-6 Sol |
|---|---|---|
| LMArena Text | 1333 | 1395 |
| LMArena Creative Writing | 1295 | 1378 |
| LMArena Multi-Turn | 1332 | 1412 |
| EQ-Bench Creative Writing | — | 2125 |
Frequently asked questions
Is GLM-4.5V better than GPT-6 Sol?
GPT-6 Sol is the stronger model overall, scoring 61.8 to 39.8 on the Noometry Index. GLM-4.5V costs 4.4× less per token, which makes it the better buy when GPT-6 Sol's lead doesn't matter for your workload.
Which is cheaper, GLM-4.5V or GPT-6 Sol?
GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; GPT-6 Sol lists at $2 and $10.
Is GLM-4.5V or GPT-6 Sol better for coding?
GPT-6 Sol scores higher on coding benchmarks: 60.1 versus 39.5 in the Noometry coding category.
Which has the bigger context window?
GPT-6 Sol does, with 1.05M tokens against 64K.
How many benchmarks do GLM-4.5V and GPT-6 Sol share?
14 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and GPT-6 Sol has 45.