Model comparison
GLM-4.6V vs GPT-5 Mini
GLM-4.6V and GPT-5 Mini score almost the same on the Noometry Index (40.9 vs 41.7), so choose on price, context window or the category you care about most.
Last verified . 12 shared benchmarks.
Summary
- They share 12 benchmarks with published results for both. GLM-4.6V scores higher in 3 categories and GPT-5 Mini in 5 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5 Mini leads 45.5 to 37.4.
- GLM-4.6V is cheaper at $0.30 / $0.90 per million input/output tokens, against $0.25 / $2 for GPT-5 Mini.
- GPT-5 Mini accepts more context: 400K tokens versus 128K.
- GLM-4.6V has downloadable open weights; the other is API-only.
Side by side
| GLM-4.6V | GPT-5 Mini | |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 40.9 | 41.7 |
| Released | 2025-12-08 | 2025-08-07 |
| Weights | Open | Proprietary |
| Context window | 128K | 400K |
| Max output | 33K | 128K |
| Input $ / M tokens | $0.30 | $0.25 |
| Output $ / M tokens | $0.90 | $2 |
| Results tracked | 12 | 60 |
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Category by category
Coding Too close to call
GLM-4.6V: 40.2 (#128), GPT-5 Mini: 40.0 (#134)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Coding | 1390 | 1406 |
| SWE-bench Verified | — | 64.7% |
| SWE-bench Verified (bash only) | — | 59.8% |
| SWE-bench Multilingual | — | 39.7% |
| SciCode | — | 39.2% |
| WeirdML | — | 52.7% |
| ALE-Bench | — | 799.77 |
| AlgoTune | — | 1.38 |
Agentic & Tool Use Not comparable
GLM-4.6V: —, GPT-5 Mini: 31.0 (#64)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| Terminal-Bench | — | 34.8% |
| Berkeley Function Calling Leaderboard | — | 55.5% |
| Vending-Bench 2 | — | -31.18 |
Reasoning GLM-4.6V leads
GLM-4.6V: 26.5 (#117), GPT-5 Mini: 24.1 (#153)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Hard Prompts | 1368 | 1380 |
| ARC-AGI-2 | — | 4.4% |
| Kagi LLM Benchmark | — | 70.3% |
| ARC-AGI-1 | — | 54.3% |
| CritPt | — | 0% |
| Chess Puzzles | — | 30% |
| EnigmaEval | — | 8.2% |
| Mystery Game Puzzles | — | 10% |
| DTBench | — | 80.5% |
| LMCA | — | 34.2% |
| Epoch Capabilities Index | — | 145.51 |
| ForecastBench | — | 61 |
Math Not comparable
GLM-4.6V: —, GPT-5 Mini: 46.3 (#59)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 46.7% |
| FrontierMath Tier 4 | — | 12.2% |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
| ProofBench | — | 9% |
| Omni-MATH | — | 72.2% |
| LMArena Math | — | 1377 |
| MATH Level 5 | — | 97.8% |
| FrontierMath (Feb 2025 set) | — | 27.2% |
| FrontierMath Tier 4 (v1) | — | 6.3% |
Knowledge GPT-5 Mini leads
GLM-4.6V: 37.4 (#148), GPT-5 Mini: 45.5 (#80)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Expert | 1372 | 1377 |
| GPQA Diamond | — | 75% |
| Humanity's Last Exam | — | 19.4% |
| SimpleQA Verified | — | 21.6% |
| MMLU-Pro | — | 83.5% |
| Confabulations | — | 13.3% |
| Vectara Hallucination Rate | — | 12.9% |
| GPQA (HELM) | — | 75.6% |
Multimodal Too close to call
GLM-4.6V: 34.2 (#83), GPT-5 Mini: 35.0 (#80)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Vision | 1164 | 1202 |
| VPCT | — | 40.2% |
Multilingual Too close to call
GLM-4.6V: 48.8 (#135), GPT-5 Mini: 49.1 (#131)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Non-English | 1359 | 1363 |
| LMArena Chinese | 1426 | 1387 |
| LMArena Russian | 1341 | 1362 |
| LMArena French | — | 1385 |
| LMArena German | — | 1366 |
| LMArena Japanese | — | 1342 |
| LMArena Korean | — | 1306 |
| LMArena Spanish | — | 1355 |
Instruction Following GPT-5 Mini leads
GLM-4.6V: 71.6 (#145), GPT-5 Mini: 76.4 (#43)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Instruction Following | 1351 | 1357 |
| IFEval | — | 92.7% |
Long Context Too close to call
GLM-4.6V: 41.3 (#138), GPT-5 Mini: 41.9 (#127)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Longer Query | 1358 | 1355 |
| Fiction.LiveBench | — | 69.4% |
Writing & Preference GLM-4.6V leads
GLM-4.6V: 56.8 (#132), GPT-5 Mini: 55.4 (#143)
| Benchmark | GLM-4.6V | GPT-5 Mini |
|---|---|---|
| LMArena Text | 1377 | 1373 |
| LMArena Creative Writing | 1347 | 1325 |
| LMArena Multi-Turn | 1359 | 1363 |
| Short-Story Creative Writing | — | 83.1% |
| EQ-Bench Creative Writing | — | 1313 |
| WildBench | — | 85.5% |
Frequently asked questions
Is GLM-4.6V better than GPT-5 Mini?
GLM-4.6V and GPT-5 Mini score almost the same on the Noometry Index (40.9 vs 41.7), so choose on price, context window or the category you care about most.
Which is cheaper, GLM-4.6V or GPT-5 Mini?
GLM-4.6V is cheaper. It lists at $0.30 per million input tokens and $0.90 per million output tokens; GPT-5 Mini lists at $0.25 and $2.
Is GLM-4.6V or GPT-5 Mini better for coding?
They score almost the same on coding (40.2 vs 40.0); test both on your own repository before choosing.
Which has the bigger context window?
GPT-5 Mini does, with 400K tokens against 128K.
How many benchmarks do GLM-4.6V and GPT-5 Mini share?
12 benchmarks have published results for both models. GLM-4.6V has 12 scored results on Noometry and GPT-5 Mini has 60.