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

Grok 4.3 (medium)vsNova 2.0 Lite (low)

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

xAI

Grok 4.3 (medium)

Input
$1.25/M
Output
$2.5/M
Speed
167 tok/s
TTFT
10.72s
Amazon

Nova 2.0 Lite (low)

Input
$0.3/M
Output
$2.5/M
Speed
159 tok/s
TTFT
6.09s

Winner by Category

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

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.3 (medium)
167 tok/s
Nova 2.0 Lite (low)
159 tok/s
Time to First Token (seconds) — lower is better
Grok 4.3 (medium)
10.72s
Nova 2.0 Lite (low)
6.09s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
48.824.6
Coding Index
35.113.6
Math Index
46.7
GPQA Diamond
89.0%69.8%
MMLU-Pro
78.8%
LiveCodeBench
46.9%
AIME 2025
46.7%
MATH-500
Humanity's Last Exam
28.1%4.2%
SciCode
44.6%33.3%
IFBench
83.3%61.2%
TerminalBench
30.3%3.8%
Grok 4.3 (medium)7 wins
4 winsNova 2.0 Lite (low)

Frequently Asked Questions

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

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

Which model performs better on benchmarks?

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

Which is faster for real-time applications?

Grok 4.3 (medium) generates tokens faster at 167 tok/s vs 159 tok/s. However, Nova 2.0 Lite (low) has lower time-to-first-token (6.09s vs 10.72s).

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

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