Compare/Gemini 3.1 Pro Preview vs Nova 2.0 Pro Preview (Non-reasoning)

Gemini 3.1 Pro PreviewvsNova 2.0 Pro Preview (Non-reasoning)

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

Google

Gemini 3.1 Pro Preview

Input
$2/M
Output
$12/M
Speed
115 tok/s
TTFT
31.49s
Amazon

Nova 2.0 Pro Preview (Non-reasoning)

Input
$1.25/M
Output
$10/M
Speed
163 tok/s
TTFT
0.48s

Winner by Category

Cheaper
Nova 2.0 Pro Preview (Non-reasoning)
Faster (tok/s)
Nova 2.0 Pro Preview (Non-reasoning)
Lower Latency
Nova 2.0 Pro Preview (Non-reasoning)
Benchmarks (7-4)
Gemini 3.1 Pro Preview

Pricing Comparison

MetricGemini 3.1 Pro PreviewNova 2.0 Pro Preview (Non-reasoning)
Input ($/M tokens)$2$1.25
Output ($/M tokens)$12$10
Cost for 1M input + 100K output tokens:
Gemini 3.1 Pro Preview$3.20
Nova 2.0 Pro Preview (Non-reasoning)$2.25

Speed Comparison

Output Speed (tokens/s) — higher is better
Gemini 3.1 Pro Preview
115 tok/s
Nova 2.0 Pro Preview (Non-reasoning)
163 tok/s
Time to First Token (seconds) — lower is better
Gemini 3.1 Pro Preview
31.49s
Nova 2.0 Pro Preview (Non-reasoning)
0.48s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
57.223.1
Coding Index
55.520.5
Math Index
30.7
GPQA Diamond
94.1%63.6%
MMLU-Pro
77.2%
LiveCodeBench
47.3%
AIME 2025
30.7%
MATH-500
Humanity's Last Exam
44.7%4.0%
SciCode
58.9%28.1%
IFBench
77.1%52.0%
TerminalBench
53.8%16.7%
Gemini 3.1 Pro Preview7 wins
4 winsNova 2.0 Pro Preview (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Gemini 3.1 Pro Preview or Nova 2.0 Pro Preview (Non-reasoning)?

Nova 2.0 Pro Preview (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $3.44/M tokens vs $4.50/M for Gemini 3.1 Pro Preview.

Which model performs better on benchmarks?

Gemini 3.1 Pro Preview wins 7 out of 12 benchmarks compared to 4 for Nova 2.0 Pro Preview (Non-reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Nova 2.0 Pro Preview (Non-reasoning) generates tokens faster at 163 tok/s vs 115 tok/s. However, Nova 2.0 Pro Preview (Non-reasoning) has lower time-to-first-token (0.48s vs 31.49s).

When should I use Gemini 3.1 Pro Preview vs Nova 2.0 Pro Preview (Non-reasoning)?

Choose based on your priorities: Nova 2.0 Pro Preview (Non-reasoning) for lower cost, Gemini 3.1 Pro Preview for stronger benchmark performance, and Nova 2.0 Pro Preview (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.