Compare/GLM-4.5 (Reasoning) vs Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)

GLM-4.5 (Reasoning)vsLlama 3.1 Nemotron Ultra 253B v1 (Reasoning)

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

Z AI

GLM-4.5 (Reasoning)

Input
$0.49/M
Output
$1.9/M
Speed
48 tok/s
TTFT
0.78s
NVIDIA

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)

Input
$0.6/M
Output
$1.8/M
Speed
42 tok/s
TTFT
0.68s

Winner by Category

Cheaper
GLM-4.5 (Reasoning)
Faster (tok/s)
GLM-4.5 (Reasoning)
Lower Latency
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Benchmarks (12-0)
GLM-4.5 (Reasoning)

Pricing Comparison

MetricGLM-4.5 (Reasoning)Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Input ($/M tokens)$0.49$0.6
Output ($/M tokens)$1.9$1.8
Cost for 1M input + 100K output tokens:
GLM-4.5 (Reasoning)$0.68
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)$0.78

Speed Comparison

Output Speed (tokens/s) — higher is better
GLM-4.5 (Reasoning)
48 tok/s
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
42 tok/s
Time to First Token (seconds) — lower is better
GLM-4.5 (Reasoning)
0.78s
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
0.68s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
26.415.0
Coding Index
26.313.1
Math Index
73.763.7
GPQA Diamond
78.2%72.8%
MMLU-Pro
83.5%82.5%
LiveCodeBench
73.8%64.1%
AIME 2025
73.7%63.7%
MATH-500
97.9%95.2%
Humanity's Last Exam
12.2%8.1%
SciCode
34.8%34.7%
IFBench
44.1%38.2%
TerminalBench
22.0%2.3%
GLM-4.5 (Reasoning)12 wins
0 winsLlama 3.1 Nemotron Ultra 253B v1 (Reasoning)

Frequently Asked Questions

Which is cheaper, GLM-4.5 (Reasoning) or Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)?

GLM-4.5 (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.84/M tokens vs $0.90/M for Llama 3.1 Nemotron Ultra 253B v1 (Reasoning).

Which model performs better on benchmarks?

GLM-4.5 (Reasoning) wins 12 out of 12 benchmarks compared to 0 for Llama 3.1 Nemotron Ultra 253B v1 (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GLM-4.5 (Reasoning) generates tokens faster at 48 tok/s vs 42 tok/s. However, Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) has lower time-to-first-token (0.68s vs 0.78s).

When should I use GLM-4.5 (Reasoning) vs Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)?

Choose based on your priorities: GLM-4.5 (Reasoning) for lower cost, GLM-4.5 (Reasoning) for stronger benchmark performance, and GLM-4.5 (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.