Compare/Grok 4.3 (high) vs Nova 2.0 Lite (Non-reasoning)

Grok 4.3 (high)vsNova 2.0 Lite (Non-reasoning)

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

xAI

Grok 4.3 (high)

Input
$1.25/M
Output
$2.5/M
Speed
94 tok/s
TTFT
7.51s
Amazon

Nova 2.0 Lite (Non-reasoning)

Input
$0.3/M
Output
$2.5/M
Speed
223 tok/s
TTFT
0.84s

Winner by Category

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

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.3 (high)
94 tok/s
Nova 2.0 Lite (Non-reasoning)
223 tok/s
Time to First Token (seconds) — lower is better
Grok 4.3 (high)
7.51s
Nova 2.0 Lite (Non-reasoning)
0.84s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
53.218.0
Coding Index
41.012.5
Math Index
33.7
GPQA Diamond
90.1%60.3%
MMLU-Pro
74.3%
LiveCodeBench
34.6%
AIME 2025
33.7%
MATH-500
Humanity's Last Exam
35.0%3.0%
SciCode
47.3%24.0%
IFBench
81.3%40.5%
TerminalBench
37.9%6.8%
Grok 4.3 (high)7 wins
4 winsNova 2.0 Lite (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Grok 4.3 (high) or Nova 2.0 Lite (Non-reasoning)?

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

Which model performs better on benchmarks?

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

Which is faster for real-time applications?

Nova 2.0 Lite (Non-reasoning) generates tokens faster at 223 tok/s vs 94 tok/s. However, Nova 2.0 Lite (Non-reasoning) has lower time-to-first-token (0.84s vs 7.51s).

When should I use Grok 4.3 (high) vs Nova 2.0 Lite (Non-reasoning)?

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