Compare/Grok 4.3 vs Nova 2.0 Lite (high)

Grok 4.3vsNova 2.0 Lite (high)

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

xAI

Grok 4.3

Input
$1.25/M
Output
$2.5/M
Speed
232 tok/s
TTFT
12.23s
Amazon

Nova 2.0 Lite (high)

Input
$0.3/M
Output
$2.5/M
Speed
173 tok/s
TTFT
14.33s

Winner by Category

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

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.3
232 tok/s
Nova 2.0 Lite (high)
173 tok/s
Time to First Token (seconds) — lower is better
Grok 4.3
12.23s
Nova 2.0 Lite (high)
14.33s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
53.234.5
Coding Index
41.023.4
Math Index
94.3
GPQA Diamond
90.1%81.1%
MMLU-Pro
81.8%
LiveCodeBench
71.1%
AIME 2025
94.3%
MATH-500
Humanity's Last Exam
35.0%10.9%
SciCode
47.3%36.9%
IFBench
81.3%70.7%
TerminalBench
37.9%16.7%
Grok 4.37 wins
4 winsNova 2.0 Lite (high)

Frequently Asked Questions

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

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.

Which model performs better on benchmarks?

Grok 4.3 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?

Grok 4.3 generates tokens faster at 232 tok/s vs 173 tok/s. Grok 4.3 also has lower time-to-first-token (12.23s vs 14.33s).

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

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