Compare/Jamba 1.5 Mini vs Gemma 4 31B (Non-reasoning)

Jamba 1.5 MinivsGemma 4 31B (Non-reasoning)

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

AI21 Labs

Jamba 1.5 Mini

Input
$0.2/M
Output
$0.4/M
Speed
TTFT
Google

Gemma 4 31B (Non-reasoning)

Input
$0.14/M
Output
$0.4/M
Speed
29 tok/s
TTFT
0.79s

Winner by Category

Cheaper
Gemma 4 31B (Non-reasoning)
Faster (tok/s)
Gemma 4 31B (Non-reasoning)
Lower Latency
Jamba 1.5 Mini
Benchmarks (3-7)
Gemma 4 31B (Non-reasoning)

Pricing Comparison

MetricJamba 1.5 MiniGemma 4 31B (Non-reasoning)
Input ($/M tokens)$0.2$0.14
Output ($/M tokens)$0.4$0.4
Cost for 1M input + 100K output tokens:
Jamba 1.5 Mini$0.24
Gemma 4 31B (Non-reasoning)$0.18

Speed Comparison

Output Speed (tokens/s) — higher is better
Jamba 1.5 Mini
Gemma 4 31B (Non-reasoning)
29 tok/s
Time to First Token (seconds) — lower is better
Jamba 1.5 Mini
Gemma 4 31B (Non-reasoning)
0.79s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.032.3
Coding Index
33.9
Math Index
GPQA Diamond
30.2%76.3%
MMLU-Pro
37.1%
LiveCodeBench
6.2%
AIME 2025
MATH-500
35.7%
Humanity's Last Exam
5.1%11.5%
SciCode
8.0%41.1%
IFBench
53.5%
TerminalBench
30.3%
Jamba 1.5 Mini3 wins
7 winsGemma 4 31B (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Jamba 1.5 Mini or Gemma 4 31B (Non-reasoning)?

Gemma 4 31B (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.20/M tokens vs $0.25/M for Jamba 1.5 Mini.

Which model performs better on benchmarks?

Gemma 4 31B (Non-reasoning) wins 7 out of 12 benchmarks compared to 3 for Jamba 1.5 Mini. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemma 4 31B (Non-reasoning) generates tokens faster at 29 tok/s vs 0 tok/s. Jamba 1.5 Mini also has lower time-to-first-token (0.00s vs 0.79s).

When should I use Jamba 1.5 Mini vs Gemma 4 31B (Non-reasoning)?

Choose based on your priorities: Gemma 4 31B (Non-reasoning) for lower cost, Gemma 4 31B (Non-reasoning) for stronger benchmark performance, and Gemma 4 31B (Non-reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.