Compare/DiffusionGemma 26B A4B vs gpt-oss-20b (low)

DiffusionGemma 26B A4Bvsgpt-oss-20b (low)

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

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DiffusionGemma 26B A4B

Input
$0/M
Output
$0/M
Speed
TTFT
OpenAI

gpt-oss-20b (low)

Input
$0.06/M
Output
$0.2/M
Speed
226 tok/s
TTFT
0.50s

Winner by Category

Cheaper
DiffusionGemma 26B A4B
Faster (tok/s)
gpt-oss-20b (low)
Lower Latency
DiffusionGemma 26B A4B
Benchmarks (5-6)
gpt-oss-20b (low)

Pricing Comparison

MetricDiffusionGemma 26B A4Bgpt-oss-20b (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
DiffusionGemma 26B A4B$0.00
gpt-oss-20b (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
DiffusionGemma 26B A4B
gpt-oss-20b (low)
226 tok/s
Time to First Token (seconds) — lower is better
DiffusionGemma 26B A4B
gpt-oss-20b (low)
0.50s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
13.514.3
Coding Index
19.7
Math Index
62.3
GPQA Diamond
66.9%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
10.2%5.1%
SciCode
34.3%34.0%
IFBench
59.5%57.8%
TerminalBench
4.5%
DiffusionGemma 26B A4B5 wins
6 winsgpt-oss-20b (low)

Frequently Asked Questions

Which is cheaper, DiffusionGemma 26B A4B or gpt-oss-20b (low)?

DiffusionGemma 26B A4B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.10/M for gpt-oss-20b (low).

Which model performs better on benchmarks?

gpt-oss-20b (low) wins 6 out of 12 benchmarks compared to 5 for DiffusionGemma 26B A4B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20b (low) generates tokens faster at 226 tok/s vs 0 tok/s. DiffusionGemma 26B A4B also has lower time-to-first-token (0.00s vs 0.50s).

When should I use DiffusionGemma 26B A4B vs gpt-oss-20b (low)?

Choose based on your priorities: DiffusionGemma 26B A4B for lower cost, gpt-oss-20b (low) for stronger benchmark performance, and gpt-oss-20b (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.