Compare/JT-4.1 Flash 236B A21B vs gpt-oss-120b (low)

JT-4.1 Flash 236B A21Bvsgpt-oss-120b (low)

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

China Mobile

JT-4.1 Flash 236B A21B

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

gpt-oss-120b (low)

Input
$0.15/M
Output
$0.6/M
Speed
351 tok/s
TTFT
0.52s

Winner by Category

Cheaper
JT-4.1 Flash 236B A21B
Faster (tok/s)
gpt-oss-120b (low)
Lower Latency
JT-4.1 Flash 236B A21B
Benchmarks (5-6)
gpt-oss-120b (low)

Pricing Comparison

MetricJT-4.1 Flash 236B A21Bgpt-oss-120b (low)
Input ($/M tokens)$0$0.15
Output ($/M tokens)$0$0.6
Cost for 1M input + 100K output tokens:
JT-4.1 Flash 236B A21B$0.00
gpt-oss-120b (low)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
JT-4.1 Flash 236B A21B
gpt-oss-120b (low)
351 tok/s
Time to First Token (seconds) — lower is better
JT-4.1 Flash 236B A21B
gpt-oss-120b (low)
0.52s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
38.817.7
Coding Index
52.4
Math Index
66.7
GPQA Diamond
84.5%67.2%
MMLU-Pro
77.5%
LiveCodeBench
70.7%
AIME 2025
66.7%
MATH-500
Humanity's Last Exam
16.1%5.2%
SciCode
38.2%36.0%
IFBench
58.3%
TerminalBench
5.3%
JT-4.1 Flash 236B A21B5 wins
6 winsgpt-oss-120b (low)

Frequently Asked Questions

Which is cheaper, JT-4.1 Flash 236B A21B or gpt-oss-120b (low)?

JT-4.1 Flash 236B A21B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.26/M for gpt-oss-120b (low).

Which model performs better on benchmarks?

gpt-oss-120b (low) wins 6 out of 12 benchmarks compared to 5 for JT-4.1 Flash 236B A21B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120b (low) generates tokens faster at 351 tok/s vs 0 tok/s. JT-4.1 Flash 236B A21B also has lower time-to-first-token (0.00s vs 0.52s).

When should I use JT-4.1 Flash 236B A21B vs gpt-oss-120b (low)?

Choose based on your priorities: JT-4.1 Flash 236B A21B for lower cost, gpt-oss-120b (low) for stronger benchmark performance, and gpt-oss-120b (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.