Compare/Jamba Reasoning 3B vs gpt-oss-120B (low)

Jamba Reasoning 3Bvsgpt-oss-120B (low)

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

AI21 Labs

Jamba Reasoning 3B

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

gpt-oss-120B (low)

Input
$0.15/M
Output
$0.6/M
Speed
255 tok/s
TTFT
0.51s

Winner by Category

Cheaper
Jamba Reasoning 3B
Faster (tok/s)
gpt-oss-120B (low)
Lower Latency
Jamba Reasoning 3B
Benchmarks (0-11)
gpt-oss-120B (low)

Pricing Comparison

MetricJamba Reasoning 3Bgpt-oss-120B (low)
Input ($/M tokens)$0$0.15
Output ($/M tokens)$0$0.6
Cost for 1M input + 100K output tokens:
Jamba Reasoning 3B$0.00
gpt-oss-120B (low)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
Jamba Reasoning 3B
gpt-oss-120B (low)
255 tok/s
Time to First Token (seconds) — lower is better
Jamba Reasoning 3B
gpt-oss-120B (low)
0.51s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
9.624.5
Coding Index
2.515.5
Math Index
10.766.7
GPQA Diamond
33.3%67.2%
MMLU-Pro
57.7%77.5%
LiveCodeBench
21.0%70.7%
AIME 2025
10.7%66.7%
MATH-500
Humanity's Last Exam
4.6%5.2%
SciCode
5.9%36.0%
IFBench
52.4%58.3%
TerminalBench
0.8%5.3%
Jamba Reasoning 3B0 wins
11 winsgpt-oss-120B (low)

Frequently Asked Questions

Which is cheaper, Jamba Reasoning 3B or gpt-oss-120B (low)?

Jamba Reasoning 3B 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 11 out of 12 benchmarks compared to 0 for Jamba Reasoning 3B. 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 255 tok/s vs 0 tok/s. Jamba Reasoning 3B also has lower time-to-first-token (0.00s vs 0.51s).

When should I use Jamba Reasoning 3B vs gpt-oss-120B (low)?

Choose based on your priorities: Jamba Reasoning 3B 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.