Compare/DeepSeek V3.1 (Non-reasoning) vs Llama 3 Instruct 70B

DeepSeek V3.1 (Non-reasoning)vsLlama 3 Instruct 70B

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

DeepSeek

DeepSeek V3.1 (Non-reasoning)

Input
$0.56/M
Output
$1.68/M
Speed
TTFT
Meta

Llama 3 Instruct 70B

Input
$0.58/M
Output
$1.745/M
Speed
40 tok/s
TTFT
0.48s

Winner by Category

Cheaper
DeepSeek V3.1 (Non-reasoning)
Faster (tok/s)
Llama 3 Instruct 70B
Lower Latency
DeepSeek V3.1 (Non-reasoning)
Benchmarks (11-1)
DeepSeek V3.1 (Non-reasoning)

Pricing Comparison

MetricDeepSeek V3.1 (Non-reasoning)Llama 3 Instruct 70B
Input ($/M tokens)$0.56$0.58
Output ($/M tokens)$1.68$1.745
Cost for 1M input + 100K output tokens:
DeepSeek V3.1 (Non-reasoning)$0.73
Llama 3 Instruct 70B$0.75

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek V3.1 (Non-reasoning)
Llama 3 Instruct 70B
40 tok/s
Time to First Token (seconds) — lower is better
DeepSeek V3.1 (Non-reasoning)
Llama 3 Instruct 70B
0.48s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
28.18.9
Coding Index
28.46.8
Math Index
49.7
GPQA Diamond
73.5%37.9%
MMLU-Pro
83.3%57.4%
LiveCodeBench
57.7%19.8%
AIME 2025
49.7%
MATH-500
48.3%
Humanity's Last Exam
6.3%4.4%
SciCode
36.7%18.9%
IFBench
37.8%37.1%
TerminalBench
24.2%0.8%
DeepSeek V3.1 (Non-reasoning)11 wins
1 winsLlama 3 Instruct 70B

Frequently Asked Questions

Which is cheaper, DeepSeek V3.1 (Non-reasoning) or Llama 3 Instruct 70B?

DeepSeek V3.1 (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.84/M tokens vs $0.87/M for Llama 3 Instruct 70B.

Which model performs better on benchmarks?

DeepSeek V3.1 (Non-reasoning) wins 11 out of 12 benchmarks compared to 1 for Llama 3 Instruct 70B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Llama 3 Instruct 70B generates tokens faster at 40 tok/s vs 0 tok/s. DeepSeek V3.1 (Non-reasoning) also has lower time-to-first-token (0.00s vs 0.48s).

When should I use DeepSeek V3.1 (Non-reasoning) vs Llama 3 Instruct 70B?

Choose based on your priorities: DeepSeek V3.1 (Non-reasoning) for lower cost, DeepSeek V3.1 (Non-reasoning) for stronger benchmark performance, and Llama 3 Instruct 70B for faster generation. For latency-sensitive apps, check the TTFT comparison above.