Compare/Gemma 3 27B Instruct vs GPT-5.4 mini (xhigh)

Gemma 3 27B InstructvsGPT-5.4 mini (xhigh)

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

Google

Gemma 3 27B Instruct

Input
$0/M
Output
$0/M
Speed
32 tok/s
TTFT
1.14s
OpenAI

GPT-5.4 mini (xhigh)

Input
$0.75/M
Output
$4.5/M
Speed
219 tok/s
TTFT
3.82s

Winner by Category

Cheaper
Gemma 3 27B Instruct
Faster (tok/s)
GPT-5.4 mini (xhigh)
Lower Latency
Gemma 3 27B Instruct
Benchmarks (5-7)
GPT-5.4 mini (xhigh)

Pricing Comparison

MetricGemma 3 27B InstructGPT-5.4 mini (xhigh)
Input ($/M tokens)$0$0.75
Output ($/M tokens)$0$4.5
Cost for 1M input + 100K output tokens:
Gemma 3 27B Instruct$0.00
GPT-5.4 mini (xhigh)$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
Gemma 3 27B Instruct
32 tok/s
GPT-5.4 mini (xhigh)
219 tok/s
Time to First Token (seconds) — lower is better
Gemma 3 27B Instruct
1.14s
GPT-5.4 mini (xhigh)
3.82s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
10.348.1
Coding Index
9.651.5
Math Index
20.7
GPQA Diamond
42.8%87.5%
MMLU-Pro
66.9%
LiveCodeBench
13.7%
AIME 2025
20.7%
MATH-500
88.3%
Humanity's Last Exam
4.7%26.6%
SciCode
21.2%49.9%
IFBench
31.8%73.3%
TerminalBench
3.8%52.3%
Gemma 3 27B Instruct5 wins
7 winsGPT-5.4 mini (xhigh)

Frequently Asked Questions

Which is cheaper, Gemma 3 27B Instruct or GPT-5.4 mini (xhigh)?

Gemma 3 27B Instruct is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $1.69/M for GPT-5.4 mini (xhigh).

Which model performs better on benchmarks?

GPT-5.4 mini (xhigh) wins 7 out of 12 benchmarks compared to 5 for Gemma 3 27B Instruct. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (xhigh) generates tokens faster at 219 tok/s vs 32 tok/s. Gemma 3 27B Instruct also has lower time-to-first-token (1.14s vs 3.82s).

When should I use Gemma 3 27B Instruct vs GPT-5.4 mini (xhigh)?

Choose based on your priorities: Gemma 3 27B Instruct for lower cost, GPT-5.4 mini (xhigh) for stronger benchmark performance, and GPT-5.4 mini (xhigh) for faster generation. For latency-sensitive apps, check the TTFT comparison above.