Compare/Kimi K2 vs Nova 2.0 Omni (low)

Kimi K2vsNova 2.0 Omni (low)

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

Kimi

Kimi K2

Input
$0.585/M
Output
$2.4/M
Speed
27 tok/s
TTFT
1.45s
Amazon

Nova 2.0 Omni (low)

Input
$0.3/M
Output
$2.5/M
Speed
TTFT

Winner by Category

Cheaper
Nova 2.0 Omni (low)
Faster (tok/s)
Kimi K2
Lower Latency
Nova 2.0 Omni (low)
Benchmarks (10-2)
Kimi K2

Pricing Comparison

MetricKimi K2Nova 2.0 Omni (low)
Input ($/M tokens)$0.585$0.3
Output ($/M tokens)$2.4$2.5
Cost for 1M input + 100K output tokens:
Kimi K2$0.82
Nova 2.0 Omni (low)$0.55

Speed Comparison

Output Speed (tokens/s) — higher is better
Kimi K2
27 tok/s
Nova 2.0 Omni (low)
Time to First Token (seconds) — lower is better
Kimi K2
1.45s
Nova 2.0 Omni (low)

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
26.323.2
Coding Index
22.113.9
Math Index
57.056.0
GPQA Diamond
76.6%69.9%
MMLU-Pro
82.4%79.8%
LiveCodeBench
55.6%59.2%
AIME 2025
57.0%56.0%
MATH-500
97.1%
Humanity's Last Exam
7.0%4.0%
SciCode
34.5%34.3%
IFBench
41.5%61.8%
TerminalBench
15.9%3.8%
Kimi K210 wins
2 winsNova 2.0 Omni (low)

Frequently Asked Questions

Which is cheaper, Kimi K2 or Nova 2.0 Omni (low)?

Nova 2.0 Omni (low) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.85/M tokens vs $1.04/M for Kimi K2.

Which model performs better on benchmarks?

Kimi K2 wins 10 out of 12 benchmarks compared to 2 for Nova 2.0 Omni (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Kimi K2 generates tokens faster at 27 tok/s vs 0 tok/s. However, Nova 2.0 Omni (low) has lower time-to-first-token (0.00s vs 1.45s).

When should I use Kimi K2 vs Nova 2.0 Omni (low)?

Choose based on your priorities: Nova 2.0 Omni (low) for lower cost, Kimi K2 for stronger benchmark performance, and Kimi K2 for faster generation. For latency-sensitive apps, check the TTFT comparison above.