Compare/Jamba 1.5 Mini vs Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

Jamba 1.5 MinivsGemini 2.5 Flash-Lite Preview (Sep '25) (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

Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

Input
$0.1/M
Output
$0.4/M
Speed
365 tok/s
TTFT
3.39s

Winner by Category

Cheaper
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
Faster (tok/s)
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
Lower Latency
Jamba 1.5 Mini
Benchmarks (1-11)
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

Pricing Comparison

MetricJamba 1.5 MiniGemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
Input ($/M tokens)$0.2$0.1
Output ($/M tokens)$0.4$0.4
Cost for 1M input + 100K output tokens:
Jamba 1.5 Mini$0.24
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)$0.14

Speed Comparison

Output Speed (tokens/s) — higher is better
Jamba 1.5 Mini
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
365 tok/s
Time to First Token (seconds) — lower is better
Jamba 1.5 Mini
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
3.39s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.021.6
Coding Index
18.1
Math Index
68.7
GPQA Diamond
30.2%70.9%
MMLU-Pro
37.1%80.8%
LiveCodeBench
6.2%68.8%
AIME 2025
68.7%
MATH-500
35.7%
Humanity's Last Exam
5.1%6.6%
SciCode
8.0%28.7%
IFBench
52.6%
TerminalBench
12.9%
Jamba 1.5 Mini1 wins
11 winsGemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

Frequently Asked Questions

Which is cheaper, Jamba 1.5 Mini or Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)?

Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.17/M tokens vs $0.25/M for Jamba 1.5 Mini.

Which model performs better on benchmarks?

Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) wins 11 out of 12 benchmarks compared to 1 for Jamba 1.5 Mini. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) generates tokens faster at 365 tok/s vs 0 tok/s. Jamba 1.5 Mini also has lower time-to-first-token (0.00s vs 3.39s).

When should I use Jamba 1.5 Mini vs Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)?

Choose based on your priorities: Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for lower cost, Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for stronger benchmark performance, and Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.