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

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

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
52 tok/s
TTFT
0.71s
Xiaomi

MiMo-V2.5-Pro (Non-reasoning)

Input
$0.661/M
Output
$1.722/M
Speed
54 tok/s
TTFT
1.40s

Winner by Category

Cheaper
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Faster (tok/s)
MiMo-V2.5-Pro (Non-reasoning)
Lower Latency
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
Benchmarks (5-6)
MiMo-V2.5-Pro (Non-reasoning)

Pricing Comparison

MetricLlama 3.1 Nemotron Ultra 253B v1 (Reasoning)MiMo-V2.5-Pro (Non-reasoning)
Input ($/M tokens)$0.6$0.661
Output ($/M tokens)$1.8$1.722
Cost for 1M input + 100K output tokens:
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)$0.78
MiMo-V2.5-Pro (Non-reasoning)$0.83

Speed Comparison

Output Speed (tokens/s) — higher is better
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
52 tok/s
MiMo-V2.5-Pro (Non-reasoning)
54 tok/s
Time to First Token (seconds) — lower is better
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)
0.71s
MiMo-V2.5-Pro (Non-reasoning)
1.40s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
9.127.9
Coding Index
Math Index
63.7
GPQA Diamond
72.8%76.2%
MMLU-Pro
82.5%
LiveCodeBench
64.1%
AIME 2025
63.7%
MATH-500
95.2%
Humanity's Last Exam
8.1%13.3%
SciCode
34.7%39.1%
IFBench
38.2%42.7%
TerminalBench
2.3%35.6%
Llama 3.1 Nemotron Ultra 253B v1 (Reasoning)5 wins
6 winsMiMo-V2.5-Pro (Non-reasoning)

Frequently Asked Questions

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

Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.90/M tokens vs $0.93/M for MiMo-V2.5-Pro (Non-reasoning).

Which model performs better on benchmarks?

MiMo-V2.5-Pro (Non-reasoning) wins 6 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-Pro (Non-reasoning) generates tokens faster at 54 tok/s vs 52 tok/s. Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) also has lower time-to-first-token (0.71s vs 1.40s).

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

Choose based on your priorities: Llama 3.1 Nemotron Ultra 253B v1 (Reasoning) for lower cost, MiMo-V2.5-Pro (Non-reasoning) for stronger benchmark performance, and MiMo-V2.5-Pro (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.