Model comparison
GLM-4.5V vs GPT-5.4 mini
GPT-5.4 mini is the stronger model overall, scoring 44.8 to 39.2 on the Noometry Index. GLM-4.5V costs 1.9× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.
Last verified . 15 shared benchmarks.
Summary
- They share 15 benchmarks with published results for both. GLM-4.5V scores higher in 0 categories and GPT-5.4 mini in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where GPT-5.4 mini leads 51.4 to 36.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 59.8% for GLM-4.5V and 37.9% for GPT-5.4 mini.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $0.75 / $4.50 for GPT-5.4 mini.
- GPT-5.4 mini accepts more context: 400K tokens versus 64K.
- GLM-4.5V has downloadable open weights; the other is API-only.
Side by side
| GLM-4.5V | GPT-5.4 mini | |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 39.2 | 44.8 |
| Released | 2025-08-11 | 2026-03-17 |
| Weights | Open | Proprietary |
| Context window | 64K | 400K |
| Max output | 16K | 128K |
| Input $ / M tokens | $0.60 | $0.75 |
| Output $ / M tokens | $1.80 | $4.50 |
| Results tracked | 15 | 46 |
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Category by category
Coding GPT-5.4 mini leads
GLM-4.5V: 38.9 (#152), GPT-5.4 mini: 45.0 (#67)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Coding | 1347 | 1438 |
| FrontierCode | — | 27% |
| LMArena WebDev | — | 1397 |
| SciCode | — | 49.9% |
| WeirdML | — | 60.3% |
| ALE-Bench | — | 1,189 |
Agentic & Tool Use Not comparable
GLM-4.5V: —, GPT-5.4 mini: 29.6 (#74)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| DeepResearch Bench | — | 36.3% |
Reasoning GPT-5.4 mini leads
GLM-4.5V: 26.5 (#118), GPT-5.4 mini: 30.3 (#77)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| Kagi LLM Benchmark | 59.8% | 37.9% |
| LMArena Hard Prompts | 1335 | 1424 |
| ARC-AGI-2 | — | 18.9% |
| NYT Connections (extended) | — | 61.8% |
| ARC-AGI-1 | — | 63.7% |
| CritPt | — | 10% |
| Chess Puzzles | — | 24% |
| Thematic Generalization | — | 61.7% |
| Mystery Game Puzzles | — | 11% |
| DTBench | — | 80% |
| LMCA | — | 40.8% |
| Epoch Capabilities Index | — | 148.83 |
| ForecastBench | — | 57 |
Math GPT-5.4 mini leads
GLM-4.5V: 34.7 (#157), GPT-5.4 mini: 45.4 (#63)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Math | 1353 | 1418 |
| FrontierMath (Tiers 1-3) | — | 51.2% |
| FrontierMath Tier 4 | — | 9.8% |
| OTIS Mock AIME 2024-2025 | — | 88.9% |
| ProofBench | — | 21% |
| FrontierMath (Feb 2025 set) | — | 28.3% |
| FrontierMath Tier 4 (v1) | — | 2.1% |
Knowledge GPT-5.4 mini leads
GLM-4.5V: 36.8 (#155), GPT-5.4 mini: 51.4 (#62)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Expert | 1353 | 1434 |
| GPQA Diamond | — | 86.9% |
| SimpleQA Verified | — | 29.4% |
| Vectara Hallucination Rate | — | 5.5% |
Multimodal GPT-5.4 mini leads
GLM-4.5V: 33.6 (#86), GPT-5.4 mini: 39.0 (#51)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Vision | 1154 | 1245 |
Multilingual GPT-5.4 mini leads
GLM-4.5V: 44.9 (#172), GPT-5.4 mini: 52.1 (#94)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Non-English | 1304 | 1405 |
| LMArena Chinese | 1338 | 1446 |
| LMArena Russian | 1299 | 1417 |
| LMArena Spanish | 1335 | 1403 |
| LMArena French | — | 1440 |
| LMArena German | — | 1407 |
| LMArena Japanese | — | 1375 |
| LMArena Korean | — | 1369 |
Instruction Following GPT-5.4 mini leads
GLM-4.5V: 69.4 (#170), GPT-5.4 mini: 74.3 (#99)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Instruction Following | 1311 | 1405 |
Long Context GPT-5.4 mini leads
GLM-4.5V: 39.6 (#166), GPT-5.4 mini: 42.9 (#107)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Longer Query | 1305 | 1407 |
Writing & Preference GPT-5.4 mini leads
GLM-4.5V: 52.7 (#162), GPT-5.4 mini: 64.2 (#56)
| Benchmark | GLM-4.5V | GPT-5.4 mini |
|---|---|---|
| LMArena Text | 1333 | 1411 |
| LMArena Creative Writing | 1295 | 1370 |
| LMArena Multi-Turn | 1333 | 1429 |
| EQ-Bench Creative Writing | — | 1665 |
Frequently asked questions
Is GLM-4.5V better than GPT-5.4 mini?
GPT-5.4 mini is the stronger model overall, scoring 44.8 to 39.2 on the Noometry Index. GLM-4.5V costs 1.9× less per token, which makes it the better buy when GPT-5.4 mini's lead doesn't matter for your workload.
Which is cheaper, GLM-4.5V or GPT-5.4 mini?
GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; GPT-5.4 mini lists at $0.75 and $4.50.
Is GLM-4.5V or GPT-5.4 mini better for coding?
GPT-5.4 mini scores higher on coding benchmarks: 45.0 versus 38.9 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 mini does, with 400K tokens against 64K.
How many benchmarks do GLM-4.5V and GPT-5.4 mini share?
15 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and GPT-5.4 mini has 46.