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

Nova 2.0 Omni (low)vsGrok 4.3 (Non-reasoning)

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

Amazon

Nova 2.0 Omni (low)

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

Grok 4.3 (Non-reasoning)

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

Winner by Category

Cheaper
Nova 2.0 Omni (low)
Faster (tok/s)
Grok 4.3 (Non-reasoning)
Lower Latency
Nova 2.0 Omni (low)
Benchmarks (6-5)
Nova 2.0 Omni (low)

Pricing Comparison

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

Speed Comparison

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

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
23.231.0
Coding Index
13.925.1
Math Index
56.0
GPQA Diamond
69.9%65.8%
MMLU-Pro
79.8%
LiveCodeBench
59.2%
AIME 2025
56.0%
MATH-500
Humanity's Last Exam
4.0%6.5%
SciCode
34.3%37.4%
IFBench
61.8%47.6%
TerminalBench
3.8%18.9%
Nova 2.0 Omni (low)6 wins
5 winsGrok 4.3 (Non-reasoning)

Frequently Asked Questions

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

Nova 2.0 Omni (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 (Non-reasoning).

Which model performs better on benchmarks?

Nova 2.0 Omni (low) wins 6 out of 12 benchmarks compared to 5 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 72 tok/s vs 0 tok/s. Nova 2.0 Omni (low) also has lower time-to-first-token (0.00s vs 0.57s).

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

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