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GLM-5 vs NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4

SpecGLM-5NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Respan Index27.7 (#88)28.9 (#86)
Blended price per 1M$1.33$0.925
Context window200K1M
Input / output per 1M$0.92 / $2.55$0.5 / $2.2
Max output131K-
Inputtexttext
Released-2026-06-04

Respan Index by category

Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.

CategoryGLM-5NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Coding10.4 GLM-56.8 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Agents35.1 GLM-533.6 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Reasoning25.3 GLM-531.5 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Knowledge & language22.8* GLM-535.3 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
Human preference51.6 GLM-549.0 NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4

* Estimated: no published scores in that category. How the Respan Index works

Benchmarks both report

GLM-5 leads on 4 of the 7 benchmarks both report. Higher is better. Each score links to where it was published.

BenchmarkGLM-5NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4
LMArena Elo14571427
Chess Puzzles (Epoch AI)10%12%
GPQA Diamond87.8%87.9%
OTIS Mock AIME 2024-2025 (Epoch AI)80%86.7%
WeirdML (Håvard Tveit Ihle)48.2%43.5%
SimpleBench (SimpleBench)53.2%41.7%
SWE-bench Verified77.8%69.7%

FAQ

Is GLM-5 better than NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4?

NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 scores 28.9 on the Respan Index (#86), ahead of GLM-5 at 27.7 (#88). GLM-5 leads on 4 of the 7 benchmarks both report.

Which is cheaper, GLM-5 or NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4?

GLM-5 lists at $0.92 input and $2.55 output per 1M tokens; NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 at $0.5 and $2.2. NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 is 1.4x cheaper per token at list price.

Which has the larger context window?

GLM-5 accepts 200K tokens and NVIDIA Nemotron 3 Ultra 550B-A55B NVFP4 1M tokens.

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