Compare/GPT-5 nano (medium) vs Gemma 4 26B A4B (Reasoning)

GPT-5 nano (medium)vsGemma 4 26B A4B (Reasoning)

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

OpenAI

GPT-5 nano (medium)

Input
$0.05/M
Output
$0.4/M
Speed
147 tok/s
TTFT
33.49s
Google

Gemma 4 26B A4B (Reasoning)

Input
$0.13/M
Output
$0.4/M
Speed
TTFT

Winner by Category

Cheaper
GPT-5 nano (medium)
Faster (tok/s)
GPT-5 nano (medium)
Lower Latency
Gemma 4 26B A4B (Reasoning)
Benchmarks (6-5)
GPT-5 nano (medium)

Pricing Comparison

MetricGPT-5 nano (medium)Gemma 4 26B A4B (Reasoning)
Input ($/M tokens)$0.05$0.13
Output ($/M tokens)$0.4$0.4
Cost for 1M input + 100K output tokens:
GPT-5 nano (medium)$0.09
Gemma 4 26B A4B (Reasoning)$0.17

Speed Comparison

Output Speed (tokens/s) — higher is better
GPT-5 nano (medium)
147 tok/s
Gemma 4 26B A4B (Reasoning)
Time to First Token (seconds) — lower is better
GPT-5 nano (medium)
33.49s
Gemma 4 26B A4B (Reasoning)

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
25.931.2
Coding Index
22.922.4
Math Index
78.3
GPQA Diamond
67.0%79.2%
MMLU-Pro
77.2%
LiveCodeBench
76.3%
AIME 2025
78.3%
MATH-500
Humanity's Last Exam
7.6%18.3%
SciCode
33.8%40.0%
IFBench
65.9%72.4%
TerminalBench
17.4%13.6%
GPT-5 nano (medium)6 wins
5 winsGemma 4 26B A4B (Reasoning)

Frequently Asked Questions

Which is cheaper, GPT-5 nano (medium) or Gemma 4 26B A4B (Reasoning)?

GPT-5 nano (medium) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.14/M tokens vs $0.20/M for Gemma 4 26B A4B (Reasoning).

Which model performs better on benchmarks?

GPT-5 nano (medium) wins 6 out of 12 benchmarks compared to 5 for Gemma 4 26B A4B (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5 nano (medium) generates tokens faster at 147 tok/s vs 0 tok/s. However, Gemma 4 26B A4B (Reasoning) has lower time-to-first-token (0.00s vs 33.49s).

When should I use GPT-5 nano (medium) vs Gemma 4 26B A4B (Reasoning)?

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