Compare/DeepSeek V3.2 Exp (Non-reasoning) vs Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

DeepSeek V3.2 Exp (Non-reasoning)vsGemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

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

DeepSeek

DeepSeek V3.2 Exp (Non-reasoning)

Input
$0.28/M
Output
$0.42/M
Speed
33 tok/s
TTFT
1.29s
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
DeepSeek V3.2 Exp (Non-reasoning)
Benchmarks (7-4)
DeepSeek V3.2 Exp (Non-reasoning)

Pricing Comparison

MetricDeepSeek V3.2 Exp (Non-reasoning)Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
Input ($/M tokens)$0.28$0.1
Output ($/M tokens)$0.42$0.4
Cost for 1M input + 100K output tokens:
DeepSeek V3.2 Exp (Non-reasoning)$0.32
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)$0.14

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek V3.2 Exp (Non-reasoning)
33 tok/s
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
365 tok/s
Time to First Token (seconds) — lower is better
DeepSeek V3.2 Exp (Non-reasoning)
1.29s
Gemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)
3.39s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
28.421.6
Coding Index
30.018.1
Math Index
57.768.7
GPQA Diamond
73.8%70.9%
MMLU-Pro
83.6%80.8%
LiveCodeBench
55.4%68.8%
AIME 2025
57.7%68.7%
MATH-500
Humanity's Last Exam
8.6%6.6%
SciCode
39.9%28.7%
IFBench
43.1%52.6%
TerminalBench
25.0%12.9%
DeepSeek V3.2 Exp (Non-reasoning)7 wins
4 winsGemini 2.5 Flash-Lite Preview (Sep '25) (Reasoning)

Frequently Asked Questions

Which is cheaper, DeepSeek V3.2 Exp (Non-reasoning) 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 $0.32/M for DeepSeek V3.2 Exp (Non-reasoning).

Which model performs better on benchmarks?

DeepSeek V3.2 Exp (Non-reasoning) wins 7 out of 12 benchmarks compared to 4 for Gemini 2.5 Flash-Lite Preview (Sep '25) (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) (Reasoning) generates tokens faster at 365 tok/s vs 33 tok/s. DeepSeek V3.2 Exp (Non-reasoning) also has lower time-to-first-token (1.29s vs 3.39s).

When should I use DeepSeek V3.2 Exp (Non-reasoning) 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, DeepSeek V3.2 Exp (Non-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.