Compare/Gemma 4 31B (Non-reasoning) vs GPT-5 nano (minimal)

Gemma 4 31B (Non-reasoning)vsGPT-5 nano (minimal)

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

Google

Gemma 4 31B (Non-reasoning)

Input
$0.14/M
Output
$0.4/M
Speed
22 tok/s
TTFT
0.67s
OpenAI

GPT-5 nano (minimal)

Input
$0.05/M
Output
$0.4/M
Speed
151 tok/s
TTFT
0.69s

Winner by Category

Cheaper
GPT-5 nano (minimal)
Faster (tok/s)
GPT-5 nano (minimal)
Lower Latency
Gemma 4 31B (Non-reasoning)
Benchmarks (7-4)
Gemma 4 31B (Non-reasoning)

Pricing Comparison

MetricGemma 4 31B (Non-reasoning)GPT-5 nano (minimal)
Input ($/M tokens)$0.14$0.05
Output ($/M tokens)$0.4$0.4
Cost for 1M input + 100K output tokens:
Gemma 4 31B (Non-reasoning)$0.18
GPT-5 nano (minimal)$0.09

Speed Comparison

Output Speed (tokens/s) — higher is better
Gemma 4 31B (Non-reasoning)
22 tok/s
GPT-5 nano (minimal)
151 tok/s
Time to First Token (seconds) — lower is better
Gemma 4 31B (Non-reasoning)
0.67s
GPT-5 nano (minimal)
0.69s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
32.313.8
Coding Index
33.914.2
Math Index
27.3
GPQA Diamond
76.3%42.8%
MMLU-Pro
55.6%
LiveCodeBench
47.0%
AIME 2025
27.3%
MATH-500
Humanity's Last Exam
11.5%4.1%
SciCode
41.1%29.1%
IFBench
53.5%32.5%
TerminalBench
30.3%6.8%
Gemma 4 31B (Non-reasoning)7 wins
4 winsGPT-5 nano (minimal)

Frequently Asked Questions

Which is cheaper, Gemma 4 31B (Non-reasoning) or GPT-5 nano (minimal)?

GPT-5 nano (minimal) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.14/M tokens vs $0.20/M for Gemma 4 31B (Non-reasoning).

Which model performs better on benchmarks?

Gemma 4 31B (Non-reasoning) wins 7 out of 12 benchmarks compared to 4 for GPT-5 nano (minimal). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5 nano (minimal) generates tokens faster at 151 tok/s vs 22 tok/s. Gemma 4 31B (Non-reasoning) also has lower time-to-first-token (0.67s vs 0.69s).

When should I use Gemma 4 31B (Non-reasoning) vs GPT-5 nano (minimal)?

Choose based on your priorities: GPT-5 nano (minimal) for lower cost, Gemma 4 31B (Non-reasoning) for stronger benchmark performance, and GPT-5 nano (minimal) for faster generation. For latency-sensitive apps, check the TTFT comparison above.