Compare/Nova 2.0 Lite (high) vs Grok 4.3 (low)

Nova 2.0 Lite (high)vsGrok 4.3 (low)

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

Amazon

Nova 2.0 Lite (high)

Input
$0.3/M
Output
$2.5/M
Speed
198 tok/s
TTFT
18.76s
xAI

Grok 4.3 (low)

Input
$1.25/M
Output
$2.5/M
Speed
77 tok/s
TTFT
13.00s

Winner by Category

Cheaper
Nova 2.0 Lite (high)
Faster (tok/s)
Nova 2.0 Lite (high)
Lower Latency
Grok 4.3 (low)
Benchmarks (4-7)
Grok 4.3 (low)

Pricing Comparison

MetricNova 2.0 Lite (high)Grok 4.3 (low)
Input ($/M tokens)$0.3$1.25
Output ($/M tokens)$2.5$2.5
Cost for 1M input + 100K output tokens:
Nova 2.0 Lite (high)$0.55
Grok 4.3 (low)$1.50

Speed Comparison

Output Speed (tokens/s) — higher is better
Nova 2.0 Lite (high)
198 tok/s
Grok 4.3 (low)
77 tok/s
Time to First Token (seconds) — lower is better
Nova 2.0 Lite (high)
18.76s
Grok 4.3 (low)
13.00s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
34.543.9
Coding Index
23.431.6
Math Index
94.3
GPQA Diamond
81.1%84.3%
MMLU-Pro
81.8%
LiveCodeBench
71.1%
AIME 2025
94.3%
MATH-500
Humanity's Last Exam
10.9%17.3%
SciCode
36.9%41.9%
IFBench
70.7%81.0%
TerminalBench
16.7%26.5%
Nova 2.0 Lite (high)4 wins
7 winsGrok 4.3 (low)

Frequently Asked Questions

Which is cheaper, Nova 2.0 Lite (high) or Grok 4.3 (low)?

Nova 2.0 Lite (high) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.85/M tokens vs $1.56/M for Grok 4.3 (low).

Which model performs better on benchmarks?

Grok 4.3 (low) wins 7 out of 12 benchmarks compared to 4 for Nova 2.0 Lite (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Nova 2.0 Lite (high) generates tokens faster at 198 tok/s vs 77 tok/s. However, Grok 4.3 (low) has lower time-to-first-token (13.00s vs 18.76s).

When should I use Nova 2.0 Lite (high) vs Grok 4.3 (low)?

Choose based on your priorities: Nova 2.0 Lite (high) for lower cost, Grok 4.3 (low) for stronger benchmark performance, and Nova 2.0 Lite (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.