Compare/Nova 2.0 Omni (low) vs Gemini 2.5 Flash (Reasoning)

Nova 2.0 Omni (low)vsGemini 2.5 Flash (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
Google

Gemini 2.5 Flash (Reasoning)

Input
$0.3/M
Output
$2.5/M
Speed
227 tok/s
TTFT
12.02s

Winner by Category

Cheaper
Tie
Faster (tok/s)
Gemini 2.5 Flash (Reasoning)
Lower Latency
Nova 2.0 Omni (low)
Benchmarks (1-11)
Gemini 2.5 Flash (Reasoning)

Pricing Comparison

MetricNova 2.0 Omni (low)Gemini 2.5 Flash (Reasoning)
Input ($/M tokens)$0.3$0.3
Output ($/M tokens)$2.5$2.5
Cost for 1M input + 100K output tokens:
Nova 2.0 Omni (low)$0.55
Gemini 2.5 Flash (Reasoning)$0.55

Speed Comparison

Output Speed (tokens/s) — higher is better
Nova 2.0 Omni (low)
Gemini 2.5 Flash (Reasoning)
227 tok/s
Time to First Token (seconds) — lower is better
Nova 2.0 Omni (low)
Gemini 2.5 Flash (Reasoning)
12.02s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
23.227.0
Coding Index
13.922.2
Math Index
56.073.3
GPQA Diamond
69.9%79.0%
MMLU-Pro
79.8%83.2%
LiveCodeBench
59.2%69.5%
AIME 2025
56.0%73.3%
MATH-500
98.1%
Humanity's Last Exam
4.0%11.1%
SciCode
34.3%39.4%
IFBench
61.8%50.3%
TerminalBench
3.8%13.6%
Nova 2.0 Omni (low)1 wins
11 winsGemini 2.5 Flash (Reasoning)

Frequently Asked Questions

Which is cheaper, Nova 2.0 Omni (low) or Gemini 2.5 Flash (Reasoning)?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

Gemini 2.5 Flash (Reasoning) wins 11 out of 12 benchmarks compared to 1 for Nova 2.0 Omni (low). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemini 2.5 Flash (Reasoning) generates tokens faster at 227 tok/s vs 0 tok/s. Nova 2.0 Omni (low) also has lower time-to-first-token (0.00s vs 12.02s).

When should I use Nova 2.0 Omni (low) vs Gemini 2.5 Flash (Reasoning)?

Choose based on your priorities: both are similarly priced, Gemini 2.5 Flash (Reasoning) for stronger benchmark performance, and Gemini 2.5 Flash (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.