Compare/Qwen3 8B (Reasoning) vs Llama 3.1 Nemotron Instruct 70B

Qwen3 8B (Reasoning)vsLlama 3.1 Nemotron Instruct 70B

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

Alibaba

Qwen3 8B (Reasoning)

Input
$0.11/M
Output
$1.15/M
Speed
86 tok/s
TTFT
1.03s
NVIDIA

Llama 3.1 Nemotron Instruct 70B

Input
$1.2/M
Output
$1.2/M
Speed
295 tok/s
TTFT
0.27s

Winner by Category

Cheaper
Qwen3 8B (Reasoning)
Faster (tok/s)
Llama 3.1 Nemotron Instruct 70B
Lower Latency
Llama 3.1 Nemotron Instruct 70B
Benchmarks (7-5)
Qwen3 8B (Reasoning)

Pricing Comparison

MetricQwen3 8B (Reasoning)Llama 3.1 Nemotron Instruct 70B
Input ($/M tokens)$0.11$1.2
Output ($/M tokens)$1.15$1.2
Cost for 1M input + 100K output tokens:
Qwen3 8B (Reasoning)$0.22
Llama 3.1 Nemotron Instruct 70B$1.32

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3 8B (Reasoning)
86 tok/s
Llama 3.1 Nemotron Instruct 70B
295 tok/s
Time to First Token (seconds) — lower is better
Qwen3 8B (Reasoning)
1.03s
Llama 3.1 Nemotron Instruct 70B
0.27s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
13.213.4
Coding Index
9.010.8
Math Index
19.011.0
GPQA Diamond
58.9%46.5%
MMLU-Pro
74.3%69.0%
LiveCodeBench
40.6%16.9%
AIME 2025
19.0%11.0%
MATH-500
90.4%73.3%
Humanity's Last Exam
4.2%4.6%
SciCode
22.6%23.3%
IFBench
33.5%30.7%
TerminalBench
2.3%4.5%
Qwen3 8B (Reasoning)7 wins
5 winsLlama 3.1 Nemotron Instruct 70B

Frequently Asked Questions

Which is cheaper, Qwen3 8B (Reasoning) or Llama 3.1 Nemotron Instruct 70B?

Qwen3 8B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.37/M tokens vs $1.20/M for Llama 3.1 Nemotron Instruct 70B.

Which model performs better on benchmarks?

Qwen3 8B (Reasoning) wins 7 out of 12 benchmarks compared to 5 for Llama 3.1 Nemotron Instruct 70B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Llama 3.1 Nemotron Instruct 70B generates tokens faster at 295 tok/s vs 86 tok/s. However, Llama 3.1 Nemotron Instruct 70B has lower time-to-first-token (0.27s vs 1.03s).

When should I use Qwen3 8B (Reasoning) vs Llama 3.1 Nemotron Instruct 70B?

Choose based on your priorities: Qwen3 8B (Reasoning) for lower cost, Qwen3 8B (Reasoning) for stronger benchmark performance, and Llama 3.1 Nemotron Instruct 70B for faster generation. For latency-sensitive apps, check the TTFT comparison above.