Compare/Qwen3 4B (Non-reasoning) vs Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)

Qwen3 4B (Non-reasoning)vsGemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)

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

Alibaba

Qwen3 4B (Non-reasoning)

Input
$0.11/M
Output
$0.42/M
Speed
105 tok/s
TTFT
0.93s
Google

Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)

Input
$0.1/M
Output
$0.4/M
Speed
344 tok/s
TTFT
0.36s

Winner by Category

Cheaper
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
Faster (tok/s)
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
Lower Latency
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
Benchmarks (1-11)
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)

Pricing Comparison

MetricQwen3 4B (Non-reasoning)Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
Input ($/M tokens)$0.11$0.1
Output ($/M tokens)$0.42$0.4
Cost for 1M input + 100K output tokens:
Qwen3 4B (Non-reasoning)$0.15
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)$0.14

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3 4B (Non-reasoning)
105 tok/s
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
344 tok/s
Time to First Token (seconds) — lower is better
Qwen3 4B (Non-reasoning)
0.93s
Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)
0.36s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
12.519.4
Coding Index
14.5
Math Index
46.7
GPQA Diamond
39.8%65.1%
MMLU-Pro
58.6%79.6%
LiveCodeBench
23.3%64.1%
AIME 2025
46.7%
MATH-500
84.3%
Humanity's Last Exam
3.7%4.6%
SciCode
16.7%28.5%
IFBench
41.8%
TerminalBench
7.6%
Qwen3 4B (Non-reasoning)1 wins
11 winsGemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)

Frequently Asked Questions

Which is cheaper, Qwen3 4B (Non-reasoning) or Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)?

Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.17/M tokens vs $0.19/M for Qwen3 4B (Non-reasoning).

Which model performs better on benchmarks?

Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning) wins 11 out of 12 benchmarks compared to 1 for Qwen3 4B (Non-reasoning). 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) (Non-reasoning) generates tokens faster at 344 tok/s vs 105 tok/s. However, Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning) has lower time-to-first-token (0.36s vs 0.93s).

When should I use Qwen3 4B (Non-reasoning) vs Gemini 2.5 Flash-Lite Preview (Sep '25) (Non-reasoning)?

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