Model comparison
GLM-4.5V vs GPT-5.4 Pro
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.8 on the Noometry Index. GLM-4.5V costs 75× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where GPT-5.4 Pro leads 70.7 to 27.4.
- GLM-4.5V is cheaper at $0.60 / $1.80 per million input/output tokens, against $30 / $180 for GPT-5.4 Pro.
- GPT-5.4 Pro 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-5.4 Pro | |
|---|---|---|
| Provider | Z.ai (Zhipu) | OpenAI |
| Noometry Index | 39.8 | 58.9 |
| Released | 2025-08-11 | 2026-03-05 |
| Weights | Open | Proprietary |
| Context window | 64K | 1.05M |
| Max output | 16K | 128K |
| Input $ / M tokens | $0.60 | $30 |
| Output $ / M tokens | $1.80 | $180 |
| Results tracked | 15 | 16 |
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Category by category
Coding GPT-5.4 Pro leads
GLM-4.5V: 39.5 (#155), GPT-5.4 Pro: 43.2 (#90)
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| WeirdML | — | 57.4% |
| LMArena Coding | 1347 | — |
Reasoning GPT-5.4 Pro leads
GLM-4.5V: 27.4 (#119), GPT-5.4 Pro: 70.7 (#13)
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| ARC-AGI-2 | — | 83.3% |
| SimpleBench | — | 74.1% |
| Kagi LLM Benchmark | 59.8% | — |
| ARC-AGI-1 | — | 94.5% |
| CritPt | — | 30% |
| Chess Puzzles | — | 58.6% |
| EnigmaEval | — | 23.8% |
| LMArena Hard Prompts | 1334 | — |
| Epoch Capabilities Index | — | 158.93 |
Math GPT-5.4 Pro leads
GLM-4.5V: 37.4 (#159), GPT-5.4 Pro: 72.4 (#22)
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 82.5% |
| FrontierMath Tier 4 | — | 58.5% |
| LMArena Math | 1354 | — |
| FrontierMath (Feb 2025 set) | — | 50% |
| FrontierMath Tier 4 (v1) | — | 37.5% |
Knowledge GPT-5.4 Pro leads
GLM-4.5V: 37.5 (#156), GPT-5.4 Pro: 68.3 (#7)
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| GPQA Diamond | — | 94.6% |
| Humanity's Last Exam | — | 44.3% |
| SimpleQA Verified | — | 46.3% |
| Vectara Hallucination Rate | — | 8.3% |
| LMArena Expert | 1353 | — |
Multimodal Not comparable
GLM-4.5V: 34.3 (#92), GPT-5.4 Pro: —
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| LMArena Vision | 1154 | — |
Multilingual Not comparable
GLM-4.5V: 44.6 (#177), GPT-5.4 Pro: —
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| LMArena Non-English | 1303 | — |
| LMArena Chinese | 1337 | — |
| LMArena Russian | 1298 | — |
| LMArena Spanish | 1336 | — |
Instruction Following Not comparable
GLM-4.5V: 69.2 (#175), GPT-5.4 Pro: —
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| LMArena Instruction Following | 1311 | — |
Long Context Not comparable
GLM-4.5V: 39.6 (#171), GPT-5.4 Pro: —
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| LMArena Longer Query | 1304 | — |
Writing & Preference Not comparable
GLM-4.5V: 52.5 (#170), GPT-5.4 Pro: —
| Benchmark | GLM-4.5V | GPT-5.4 Pro |
|---|---|---|
| LMArena Text | 1333 | — |
| LMArena Creative Writing | 1295 | — |
| LMArena Multi-Turn | 1332 | — |
Frequently asked questions
Is GLM-4.5V better than GPT-5.4 Pro?
GPT-5.4 Pro is the stronger model overall, scoring 58.9 to 39.8 on the Noometry Index. GLM-4.5V costs 75× less per token, which makes it the better buy when GPT-5.4 Pro's lead doesn't matter for your workload.
Which is cheaper, GLM-4.5V or GPT-5.4 Pro?
GLM-4.5V is cheaper. It lists at $0.60 per million input tokens and $1.80 per million output tokens; GPT-5.4 Pro lists at $30 and $180.
Is GLM-4.5V or GPT-5.4 Pro better for coding?
GPT-5.4 Pro scores higher on coding benchmarks: 43.2 versus 39.5 in the Noometry coding category.
Which has the bigger context window?
GPT-5.4 Pro does, with 1.05M tokens against 64K.
How many benchmarks do GLM-4.5V and GPT-5.4 Pro share?
0 benchmarks have published results for both models. GLM-4.5V has 15 scored results on Noometry and GPT-5.4 Pro has 16.