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

Grok 4.3 (medium)vsNova 2.0 Lite (high)

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

SpaceXAI

Grok 4.3 (medium)

Input
$1.25/M
Output
$2.5/M
Speed
103 tok/s
TTFT
21.73s
Amazon

Nova 2.0 Lite (high)

Input
$0.3/M
Output
$2.5/M
Speed
157 tok/s
TTFT
19.76s

Winner by Category

Cheaper
Nova 2.0 Lite (high)
Faster (tok/s)
Nova 2.0 Lite (high)
Lower Latency
Nova 2.0 Lite (high)
Benchmarks (6-5)
Grok 4.3 (medium)

Pricing Comparison

MetricGrok 4.3 (medium)Nova 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 (medium)$1.50
Nova 2.0 Lite (high)$0.55

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.3 (medium)
103 tok/s
Nova 2.0 Lite (high)
157 tok/s
Time to First Token (seconds) — lower is better
Grok 4.3 (medium)
21.73s
Nova 2.0 Lite (high)
19.76s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
36.018.2
Coding Index
23.0
Math Index
94.3
GPQA Diamond
89.0%81.1%
MMLU-Pro
81.8%
LiveCodeBench
71.1%
AIME 2025
94.3%
MATH-500
Humanity's Last Exam
28.1%10.9%
SciCode
44.6%36.9%
IFBench
83.3%70.7%
TerminalBench
30.3%16.7%
Grok 4.3 (medium)6 wins
5 winsNova 2.0 Lite (high)

Frequently Asked Questions

Which is cheaper, Grok 4.3 (medium) 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 (medium).

Which model performs better on benchmarks?

Grok 4.3 (medium) wins 6 out of 12 benchmarks compared to 5 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 157 tok/s vs 103 tok/s. However, Nova 2.0 Lite (high) has lower time-to-first-token (19.76s vs 21.73s).

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

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