Compare/Llama 3 Instruct 70B vs Kimi K2.5 (Reasoning)

Llama 3 Instruct 70BvsKimi K2.5 (Reasoning)

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

Meta

Llama 3 Instruct 70B

Input
$0.65/M
Output
$2.75/M
Speed
46 tok/s
TTFT
0.70s
Kimi

Kimi K2.5 (Reasoning)

Input
$0.54/M
Output
$2.925/M
Speed
49 tok/s
TTFT
1.14s

Winner by Category

Cheaper
Kimi K2.5 (Reasoning)
Faster (tok/s)
Kimi K2.5 (Reasoning)
Lower Latency
Llama 3 Instruct 70B
Benchmarks (3-7)
Kimi K2.5 (Reasoning)

Pricing Comparison

MetricLlama 3 Instruct 70BKimi K2.5 (Reasoning)
Input ($/M tokens)$0.65$0.54
Output ($/M tokens)$2.75$2.925
Cost for 1M input + 100K output tokens:
Llama 3 Instruct 70B$0.93
Kimi K2.5 (Reasoning)$0.83

Speed Comparison

Output Speed (tokens/s) — higher is better
Llama 3 Instruct 70B
46 tok/s
Kimi K2.5 (Reasoning)
49 tok/s
Time to First Token (seconds) — lower is better
Llama 3 Instruct 70B
0.70s
Kimi K2.5 (Reasoning)
1.14s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.946.8
Coding Index
6.839.6
Math Index
GPQA Diamond
37.9%87.9%
MMLU-Pro
57.4%
LiveCodeBench
19.8%
AIME 2025
MATH-500
48.3%
Humanity's Last Exam
4.4%29.4%
SciCode
18.9%49.0%
IFBench
37.1%70.2%
TerminalBench
0.8%34.8%
Llama 3 Instruct 70B3 wins
7 winsKimi K2.5 (Reasoning)

Frequently Asked Questions

Which is cheaper, Llama 3 Instruct 70B or Kimi K2.5 (Reasoning)?

Kimi K2.5 (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.14/M tokens vs $1.18/M for Llama 3 Instruct 70B.

Which model performs better on benchmarks?

Kimi K2.5 (Reasoning) wins 7 out of 12 benchmarks compared to 3 for Llama 3 Instruct 70B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Kimi K2.5 (Reasoning) generates tokens faster at 49 tok/s vs 46 tok/s. Llama 3 Instruct 70B also has lower time-to-first-token (0.70s vs 1.14s).

When should I use Llama 3 Instruct 70B vs Kimi K2.5 (Reasoning)?

Choose based on your priorities: Kimi K2.5 (Reasoning) for lower cost, Kimi K2.5 (Reasoning) for stronger benchmark performance, and Kimi K2.5 (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.