NVIDIA Nemotron 3 Ultra 550B A55B BF16 vs GLM 5
NVIDIA Nemotron 3 Ultra 550B A55B BF16 and GLM 5 match in llmrun Score, with values of 111.0 versus 111.4; neither fits 24 GB.
Model A · NVIDIA
NVIDIA Nemotron 3 Ultra 550B A55B BF16560.5B · 57B active · 256K context · Other · Jun 2026
Model B · Z.ai
GLM 5753.9B · 42.4B active · 198K context · MIT · Feb 2026
Choose NVIDIA Nemotron 3 Ultra 550B A55B BF16 if you want…
Stronger at reasoning
115.2 vs 109.1
Lighter on memory
370.0 vs 456.5 GB at Q4_K_M
Newer release
Jun 2026 vs Feb 2026
Choose GLM 5 if you want…
Stronger at coding
110.2 vs 103.3
More permissive license
MIT vs Other
On your hardware
Each model at its default quant (Q4_K_M), a smaller one when it must. Estimates, ±20%.
8 GB
RTX 4060 · 8 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
12 GB
RTX 3060 12GB · 12 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
16 GB
RTX 5060 Ti 16GB · 16 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
24 GBreference
RTX 4090 · 24 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
32 GB
RTX 5090 · 32 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
48 GB
RTX A6000 · 48 GB tier
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
Mac 32 GB
Mac Mini M4 · Macs
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
Mac 64 GB
Mac Studio M4 Max · Macs
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
Mac 128 GB
Mac Studio M4 Max · Macs
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Doesn't fit
smallest quant needs 178 GB
GLM 5
Doesn't fit
smallest quant needs 209.1 GB
Reference GPU: RTX 4090. Tinted cell = the better pick on that machine (fits, more headroom, or at least 10% faster).
Overall
NVIDIA Nemotron 3 Ultra 550B A55B BF16
GLM 5
Coding
NVIDIA Nemotron 3 Ultra 550B A55B BF16
GLM 5
Agents
NVIDIA Nemotron 3 Ultra 550B A55B BF16
no data
GLM 5
Math
NVIDIA Nemotron 3 Ultra 550B A55B BF16
GLM 5
no data
Science
NVIDIA Nemotron 3 Ultra 550B A55B BF16
GLM 5
no data
Reasoning
NVIDIA Nemotron 3 Ultra 550B A55B BF16
GLM 5
NVIDIA Nemotron 3 Ultra 550B A55B BF16 · #23 of 92 open models · #20 of 88 that fit ≤512 GB
GLM 5 · #21 of 92 open models · #18 of 88 that fit ≤512 GB
Benchmarks
5 shared boards: NVIDIA Nemotron 3 Ultra 550B A55B BF16 leads 2, GLM 5 leads 3 · Benchmarks imported Oct 2026
NVIDIA Nemotron 3 Ultra 550B A55B BF16
85.4%#19/97 open
IndependentEpoch AI · Jun 2026
GLM 5
87.8%#15/97 open
IndependentEpoch AI · Feb 2026
NVIDIA Nemotron 3 Ultra 550B A55B BF16
1426.1#27/186 open
ArenaLMArena · Oct 2026
GLM 5
1457.5#12/186 open
ArenaLMArena · Oct 2026
NVIDIA Nemotron 3 Ultra 550B A55B BF16
86.7%#17/85 open
IndependentEpoch AI · Jun 2026
GLM 5
80.0%#24/85 open
IndependentEpoch AI · Feb 2026
NVIDIA Nemotron 3 Ultra 550B A55B BF16
43.5%#16/46 open
IndependentEpoch AI · Jun 2026
GLM 5
48.2%#12/46 open
IndependentEpoch AI · Feb 2026
NVIDIA Nemotron 3 Ultra 550B A55B BF16
12.0%#21/67 open
IndependentEpoch AI · Jun 2026
GLM 5
10.0%#25/67 open
IndependentEpoch AI · Feb 2026
23 more boards (other shared and single-model boards)
Only NVIDIA Nemotron 3 Ultra 550B A55B BF16 (11)
- LiveBench Coding70.7
- LiveBench Reasoning74.7
- LiveBench Math88.7
- SciCode40.3%
- FrontierCode13.6%
- CritPt3.1%
- DTBench90.1%
- LMCA36.9%
- APEX-Agents22.7%
- Mystery Game Puzzles20.0%
- ProofBench2.0%
Only GLM 5 (12)
- SWE-bench Verified72.8%
- Terminal-Bench52.4%
- LMArena WebDev1434.4
- ARC-AGI-24.9%
- MMLU-Pro86.0%
- SWE-bench Multilingual69.7%
- ARC-AGI44.7%
- SimpleBench53.2%
- CL-bench18.7%
- ForecastBench61.0
- Vending-Bench 24432.1
- ALE-Bench765.6
VRAM by quantization
Memory to load the model and 2K context; below it, the total at 32K and 128K context. Lighter side in bold.
Q2_K
NVIDIA Nemotron 3 Ultra 550B A55B BF16
262 GB~238.2 GB file
32K 280 GB · 128K 338 GB
GLM 5
325 GB276.0 GB file
32K 324 GB · 128K 332 GB
Q3_K_S
NVIDIA Nemotron 3 Ultra 550B A55B BF16
not listed
GLM 5
334 GB326.3 GB file
32K 333 GB · 128K 342 GB
Q3_K_M
NVIDIA Nemotron 3 Ultra 550B A55B BF16
301 GB274.0 GB file
32K 319 GB · 128K 376 GB
GLM 5
372 GB360.3 GB file
32K 371 GB · 128K 380 GB
Q4_0
NVIDIA Nemotron 3 Ultra 550B A55B BF16
not listed
GLM 5
381 GB427.1 GB file
32K 380 GB · 128K 389 GB
Q4_K_M
NVIDIA Nemotron 3 Ultra 550B A55B BF16
370 GB359.2 GB file
32K 388 GB · 128K 446 GB
GLM 5
457 GB455.9 GB file
32K 456 GB · 128K 464 GB
Q5_K_M
NVIDIA Nemotron 3 Ultra 550B A55B BF16
439 GB426.5 GB file
32K 457 GB · 128K 515 GB
GLM 5
541 GB535.2 GB file
32K 540 GB · 128K 549 GB
Q6_K
NVIDIA Nemotron 3 Ultra 550B A55B BF16
509 GB460.7 GB file
32K 527 GB · 128K 585 GB
GLM 5
626 GB619.4 GB file
32K 625 GB · 128K 634 GB
Q8_0
NVIDIA Nemotron 3 Ultra 550B A55B BF16
617 GB584.3 GB file
32K 635 GB · 128K 692 GB
GLM 5
758 GB801.3 GB file
32K 757 GB · 128K 766 GB
11 more quants
IQ2_XXS
NVIDIA Nemotron 3 Ultra 550B A55B BF16
170 GB193.8 GB file
32K 188 GB · 128K 245 GB
GLM 5
212 GB241.1 GB file
32K 211 GB · 128K 219 GB
IQ2_XS
NVIDIA Nemotron 3 Ultra 550B A55B BF16
185 GB169.5 GB file
32K 203 GB · 128K 261 GB
GLM 5
not listed
IQ2_M
NVIDIA Nemotron 3 Ultra 550B A55B BF16
208 GB194.0 GB file
32K 226 GB · 128K 284 GB
GLM 5
259 GB254.8 GB file
32K 258 GB · 128K 267 GB
IQ3_XXS
NVIDIA Nemotron 3 Ultra 550B A55B BF16
239 GB223.3 GB file
32K 257 GB · 128K 315 GB
GLM 5
296 GB304.5 GB file
32K 295 GB · 128K 304 GB
IQ3_S
NVIDIA Nemotron 3 Ultra 550B A55B BF16
262 GB250.5 GB file
32K 280 GB · 128K 338 GB
GLM 5
not listed
IQ4_XS
NVIDIA Nemotron 3 Ultra 550B A55B BF16
331 GB286.1 GB file
32K 349 GB · 128K 407 GB
GLM 5
409 GB402.9 GB file
32K 408 GB · 128K 417 GB
IQ4_NL
NVIDIA Nemotron 3 Ultra 550B A55B BF16
347 GB294.2 GB file
32K 365 GB · 128K 423 GB
GLM 5
428 GB425.9 GB file
32K 427 GB · 128K 436 GB
Q4_1
NVIDIA Nemotron 3 Ultra 550B A55B BF16
not listed
GLM 5
428 GB472.7 GB file
32K 427 GB · 128K 436 GB
Q4_K_S
NVIDIA Nemotron 3 Ultra 550B A55B BF16
347 GB327.7 GB file
32K 365 GB · 128K 423 GB
GLM 5
428 GB428.4 GB file
32K 427 GB · 128K 436 GB
Q5_K_S
NVIDIA Nemotron 3 Ultra 550B A55B BF16
424 GB391.7 GB file
32K 442 GB · 128K 500 GB
GLM 5
523 GB519.7 GB file
32K 522 GB · 128K 530 GB
BF16
NVIDIA Nemotron 3 Ultra 550B A55B BF16
1233 GB1099.0 GB file
32K 1251 GB · 128K 1309 GB
GLM 5
1512 GB1508.0 GB file
32K 1511 GB · 128K 1520 GB
NVIDIA Nemotron 3 Ultra 550B A55B BF16
Ollama · Q4_K_M
ollama run hf.co/unsloth/NVIDIA-Nemotron-3-Ultra-550B-A55B-GGUF:Q4_K_MGLM 5
Ollama · Q4_K_M
ollama run hf.co/unsloth/GLM-5-GGUF:Q4_K_M| Spec | NVIDIA Nemotron 3 Ultra 550B A55B BF16 | GLM 5 |
|---|---|---|
| Publisher | NVIDIA | Z.ai |
| Parameters | 560.5B | 753.9B |
| Active parameters | 57B per token | 42B per token |
| Architecture | NemotronHForCausalLM | GlmMoeDsaForCausalLM |
| Context | 256K tokens | 198K tokens |
| Modalities | Chat, Function-calling | Chat, Function-calling |
| License | Other | MIT |
| Released | Jun 2026 | Feb 2026 |
Frequently Asked Questions
Which is better, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or GLM 5?
NVIDIA Nemotron 3 Ultra 550B A55B BF16 and GLM 5 match in llmrun Score, with values of 111.0 versus 111.4; neither fits 24 GB. Choose NVIDIA Nemotron 3 Ultra 550B A55B BF16 for stronger at reasoning and lighter on memory; choose GLM 5 for stronger at coding and more permissive license.
Which needs less VRAM, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or GLM 5?
At Q4_K_M, NVIDIA Nemotron 3 Ultra 550B A55B BF16 requires 370.0 GB while GLM 5 needs 456.5 GB, making NVIDIA Nemotron 3 Ultra 550B A55B BF16 the easier model to run on your local setup.
Can I run NVIDIA Nemotron 3 Ultra 550B A55B BF16 or GLM 5 on a 16 GB GPU?
NVIDIA Nemotron 3 Ultra 550B A55B BF16 does not fit (smallest quant needs 178 GB); GLM 5 does not fit (smallest quant needs 209.1 GB).
Which has a longer context window, NVIDIA Nemotron 3 Ultra 550B A55B BF16 or GLM 5?
NVIDIA Nemotron 3 Ultra 550B A55B BF16 supports 262,144 tokens and GLM 5 supports 202,752 tokens.