Compare/Qwen3 14B (Reasoning) vs o3-mini (high)

Qwen3 14B (Reasoning)vso3-mini (high)

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

Alibaba

Qwen3 14B (Reasoning)

Input
$0.35/M
Output
$4.2/M
Speed
65 tok/s
TTFT
1.00s
OpenAI

o3-mini (high)

Input
$1.1/M
Output
$4.4/M
Speed
148 tok/s
TTFT
23.74s

Winner by Category

Cheaper
Qwen3 14B (Reasoning)
Faster (tok/s)
o3-mini (high)
Lower Latency
Qwen3 14B (Reasoning)
Benchmarks (2-10)
o3-mini (high)

Pricing Comparison

MetricQwen3 14B (Reasoning)o3-mini (high)
Input ($/M tokens)$0.35$1.1
Output ($/M tokens)$4.2$4.4
Cost for 1M input + 100K output tokens:
Qwen3 14B (Reasoning)$0.77
o3-mini (high)$1.54

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3 14B (Reasoning)
65 tok/s
o3-mini (high)
148 tok/s
Time to First Token (seconds) — lower is better
Qwen3 14B (Reasoning)
1.00s
o3-mini (high)
23.74s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
16.225.2
Coding Index
13.117.3
Math Index
55.7
GPQA Diamond
60.4%77.3%
MMLU-Pro
77.4%80.2%
LiveCodeBench
52.3%73.4%
AIME 2025
55.7%
MATH-500
96.1%98.5%
Humanity's Last Exam
4.3%12.3%
SciCode
31.6%39.8%
IFBench
40.5%67.1%
TerminalBench
3.8%6.1%
Qwen3 14B (Reasoning)2 wins
10 winso3-mini (high)

Frequently Asked Questions

Which is cheaper, Qwen3 14B (Reasoning) or o3-mini (high)?

Qwen3 14B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $1.31/M tokens vs $1.93/M for o3-mini (high).

Which model performs better on benchmarks?

o3-mini (high) wins 10 out of 12 benchmarks compared to 2 for Qwen3 14B (Reasoning). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3-mini (high) generates tokens faster at 148 tok/s vs 65 tok/s. Qwen3 14B (Reasoning) also has lower time-to-first-token (1.00s vs 23.74s).

When should I use Qwen3 14B (Reasoning) vs o3-mini (high)?

Choose based on your priorities: Qwen3 14B (Reasoning) for lower cost, o3-mini (high) for stronger benchmark performance, and o3-mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.