Compare/gpt-oss-20b (high) vs NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

gpt-oss-20b (high)vsNVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

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

OpenAI

gpt-oss-20b (high)

Input
$0.05/M
Output
$0.2/M
Speed
185 tok/s
TTFT
0.48s
NVIDIA

NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

Input
$0.05/M
Output
$0.2/M
Speed
123 tok/s
TTFT
0.91s

Winner by Category

Cheaper
Tie
Faster (tok/s)
gpt-oss-20b (high)
Lower Latency
gpt-oss-20b (high)
Benchmarks (4-7)
NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

Pricing Comparison

Metricgpt-oss-20b (high)NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)
Input ($/M tokens)$0.05$0.05
Output ($/M tokens)$0.2$0.2
Cost for 1M input + 100K output tokens:
gpt-oss-20b (high)$0.07
NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)$0.07

Speed Comparison

Output Speed (tokens/s) — higher is better
gpt-oss-20b (high)
185 tok/s
NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)
123 tok/s
Time to First Token (seconds) — lower is better
gpt-oss-20b (high)
0.48s
NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)
0.91s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
14.914.2
Coding Index
20.714.4
Math Index
89.391.0
GPQA Diamond
68.8%75.7%
MMLU-Pro
74.8%79.4%
LiveCodeBench
77.7%74.1%
AIME 2025
89.3%91.0%
MATH-500
Humanity's Last Exam
9.8%10.2%
SciCode
34.4%29.6%
IFBench
65.1%71.1%
TerminalBench
10.6%13.6%
gpt-oss-20b (high)4 wins
7 winsNVIDIA Nemotron 3 Nano 30B A3B (Reasoning)

Frequently Asked Questions

Which is cheaper, gpt-oss-20b (high) or NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)?

Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.

Which model performs better on benchmarks?

NVIDIA Nemotron 3 Nano 30B A3B (Reasoning) wins 7 out of 12 benchmarks compared to 4 for gpt-oss-20b (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20b (high) generates tokens faster at 185 tok/s vs 123 tok/s. gpt-oss-20b (high) also has lower time-to-first-token (0.48s vs 0.91s).

When should I use gpt-oss-20b (high) vs NVIDIA Nemotron 3 Nano 30B A3B (Reasoning)?

Choose based on your priorities: both are similarly priced, NVIDIA Nemotron 3 Nano 30B A3B (Reasoning) for stronger benchmark performance, and gpt-oss-20b (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.