Compare/Grok 4.3 (Non-reasoning) vs Nova 2.0 Omni (medium)

Grok 4.3 (Non-reasoning)vsNova 2.0 Omni (medium)

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

xAI

Grok 4.3 (Non-reasoning)

Input
$1.25/M
Output
$2.5/M
Speed
75 tok/s
TTFT
0.57s
Amazon

Nova 2.0 Omni (medium)

Input
$0.3/M
Output
$2.5/M
Speed
TTFT

Winner by Category

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

Pricing Comparison

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

Speed Comparison

Output Speed (tokens/s) — higher is better
Grok 4.3 (Non-reasoning)
75 tok/s
Nova 2.0 Omni (medium)
Time to First Token (seconds) — lower is better
Grok 4.3 (Non-reasoning)
0.57s
Nova 2.0 Omni (medium)

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
31.028.0
Coding Index
25.115.1
Math Index
89.7
GPQA Diamond
65.8%76.0%
MMLU-Pro
80.9%
LiveCodeBench
66.0%
AIME 2025
89.7%
MATH-500
Humanity's Last Exam
6.5%6.8%
SciCode
37.4%36.2%
IFBench
47.6%66.2%
TerminalBench
18.9%4.5%
Grok 4.3 (Non-reasoning)4 wins
7 winsNova 2.0 Omni (medium)

Frequently Asked Questions

Which is cheaper, Grok 4.3 (Non-reasoning) or Nova 2.0 Omni (medium)?

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

Which model performs better on benchmarks?

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

Which is faster for real-time applications?

Grok 4.3 (Non-reasoning) generates tokens faster at 75 tok/s vs 0 tok/s. However, Nova 2.0 Omni (medium) has lower time-to-first-token (0.00s vs 0.57s).

When should I use Grok 4.3 (Non-reasoning) vs Nova 2.0 Omni (medium)?

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