Compare/Qwen3.5 397B A17B (Reasoning) vs Kimi K2.6

Qwen3.5 397B A17B (Reasoning)vsKimi K2.6

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

Alibaba

Qwen3.5 397B A17B (Reasoning)

Input
$0.6/M
Output
$3.6/M
Speed
51 tok/s
TTFT
1.85s
Kimi

Kimi K2.6

Input
$0.95/M
Output
$4/M
Speed
43 tok/s
TTFT
1.29s

Winner by Category

Cheaper
Qwen3.5 397B A17B (Reasoning)
Faster (tok/s)
Qwen3.5 397B A17B (Reasoning)
Lower Latency
Kimi K2.6
Benchmarks (1-6)
Kimi K2.6

Pricing Comparison

MetricQwen3.5 397B A17B (Reasoning)Kimi K2.6
Input ($/M tokens)$0.6$0.95
Output ($/M tokens)$3.6$4
Cost for 1M input + 100K output tokens:
Qwen3.5 397B A17B (Reasoning)$0.96
Kimi K2.6$1.35

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3.5 397B A17B (Reasoning)
51 tok/s
Kimi K2.6
43 tok/s
Time to First Token (seconds) — lower is better
Qwen3.5 397B A17B (Reasoning)
1.85s
Kimi K2.6
1.29s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
45.053.9
Coding Index
41.347.1
Math Index
GPQA Diamond
89.3%91.1%
MMLU-Pro
LiveCodeBench
AIME 2025
MATH-500
Humanity's Last Exam
27.3%35.9%
SciCode
42.0%53.5%
IFBench
78.8%76.0%
TerminalBench
40.9%43.9%
Qwen3.5 397B A17B (Reasoning)1 wins
6 winsKimi K2.6

Frequently Asked Questions

Which is cheaper, Qwen3.5 397B A17B (Reasoning) or Kimi K2.6?

Qwen3.5 397B A17B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.35/M tokens vs $1.71/M for Kimi K2.6.

Which model performs better on benchmarks?

Kimi K2.6 wins 6 out of 12 benchmarks compared to 1 for Qwen3.5 397B A17B (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Qwen3.5 397B A17B (Reasoning) generates tokens faster at 51 tok/s vs 43 tok/s. However, Kimi K2.6 has lower time-to-first-token (1.29s vs 1.85s).

When should I use Qwen3.5 397B A17B (Reasoning) vs Kimi K2.6?

Choose based on your priorities: Qwen3.5 397B A17B (Reasoning) for lower cost, Kimi K2.6 for stronger benchmark performance, and Qwen3.5 397B A17B (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.