Compare/Nanbeige4.1-3B vs gpt-oss-20B (high)

Nanbeige4.1-3Bvsgpt-oss-20B (high)

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

Nanbeige

Nanbeige4.1-3B

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

gpt-oss-20B (high)

Input
$0.05/M
Output
$0.2/M
Speed
256 tok/s
TTFT
0.34s

Winner by Category

Cheaper
Nanbeige4.1-3B
Faster (tok/s)
gpt-oss-20B (high)
Lower Latency
Nanbeige4.1-3B
Benchmarks (2-9)
gpt-oss-20B (high)

Pricing Comparison

MetricNanbeige4.1-3Bgpt-oss-20B (high)
Input ($/M tokens)$0$0.05
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
Nanbeige4.1-3B$0.00
gpt-oss-20B (high)$0.07

Speed Comparison

Output Speed (tokens/s) — higher is better
Nanbeige4.1-3B
gpt-oss-20B (high)
256 tok/s
Time to First Token (seconds) — lower is better
Nanbeige4.1-3B
gpt-oss-20B (high)
0.34s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.124.5
Coding Index
8.918.5
Math Index
89.3
GPQA Diamond
84.9%68.8%
MMLU-Pro
74.8%
LiveCodeBench
77.7%
AIME 2025
89.3%
MATH-500
Humanity's Last Exam
10.0%9.8%
SciCode
26.6%34.4%
IFBench
35.4%65.1%
TerminalBench
0.0%10.6%
Nanbeige4.1-3B2 wins
9 winsgpt-oss-20B (high)

Frequently Asked Questions

Which is cheaper, Nanbeige4.1-3B or gpt-oss-20B (high)?

Nanbeige4.1-3B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.09/M for gpt-oss-20B (high).

Which model performs better on benchmarks?

gpt-oss-20B (high) wins 9 out of 12 benchmarks compared to 2 for Nanbeige4.1-3B. 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 256 tok/s vs 0 tok/s. Nanbeige4.1-3B also has lower time-to-first-token (0.00s vs 0.34s).

When should I use Nanbeige4.1-3B vs gpt-oss-20B (high)?

Choose based on your priorities: Nanbeige4.1-3B for lower cost, gpt-oss-20B (high) for stronger benchmark performance, and gpt-oss-20B (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.