Compare/Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) vs MiMo-V2.5

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)vsMiMo-V2.5

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

NVIDIA

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)

Input
$0.6/M
Output
$1.8/M
Speed
41 tok/s
TTFT
0.72s
Xiaomi

MiMo-V2.5

Input
$0.36/M
Output
$1.8/M
Speed
88 tok/s
TTFT
2.03s

Winner by Category

Cheaper
MiMo-V2.5
Faster (tok/s)
MiMo-V2.5
Lower Latency
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Benchmarks (5-7)
MiMo-V2.5

Pricing Comparison

MetricLlama 3.1 Nemotron Ultra 253B v1 (Reasoning)MiMo-V2.5
Input ($/M tokens)$0.6$0.36
Output ($/M tokens)$1.8$1.8
Cost for 1M input + 100K output tokens:
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)$0.78
MiMo-V2.5$0.54

Speed Comparison

Output Speed (tokens/s) — higher is better
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
41 tok/s
MiMo-V2.5
88 tok/s
Time to First Token (seconds) — lower is better
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
0.72s
MiMo-V2.5
2.03s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
15.049.0
Coding Index
13.142.1
Math Index
63.7
GPQA Diamond
72.8%84.9%
MMLU-Pro
82.5%
LiveCodeBench
64.1%
AIME 2025
63.7%
MATH-500
95.2%
Humanity's Last Exam
8.1%25.2%
SciCode
34.7%43.1%
IFBench
38.2%67.1%
TerminalBench
2.3%41.7%
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)5 wins
7 winsMiMo-V2.5

Frequently Asked Questions

Which is cheaper, Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) or MiMo-V2.5?

MiMo-V2.5 is cheaper overall. Its blended price (3:1 input/output ratio) is $0.72/M tokens vs $0.90/M for Llama 3.1 Nemotron Ultra 253B v1 (Reasoning).

Which model performs better on benchmarks?

MiMo-V2.5 wins 7 out of 12 benchmarks compared to 5 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?

MiMo-V2.5 generates tokens faster at 88 tok/s vs 41 tok/s. Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) also has lower time-to-first-token (0.72s vs 2.03s).

When should I use Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) vs MiMo-V2.5?

Choose based on your priorities: MiMo-V2.5 for lower cost, MiMo-V2.5 for stronger benchmark performance, and MiMo-V2.5 for faster generation. For latency-sensitive apps, check the TTFT comparison above.