Compare/o3-mini (high) vs Qwen3.5 Omni Plus

o3-mini (high)vsQwen3.5 Omni Plus

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

OpenAI

o3-mini (high)

Input
$1.1/M
Output
$4.4/M
Speed
142 tok/s
TTFT
21.89s
Alibaba

Qwen3.5 Omni Plus

Input
$0.4/M
Output
$4.8/M
Speed
50 tok/s
TTFT
1.32s

Winner by Category

Cheaper
Qwen3.5 Omni Plus
Faster (tok/s)
o3-mini (high)
Lower Latency
Qwen3.5 Omni Plus
Benchmarks (4-6)
Qwen3.5 Omni Plus

Pricing Comparison

Metrico3-mini (high)Qwen3.5 Omni Plus
Input ($/M tokens)$1.1$0.4
Output ($/M tokens)$4.4$4.8
Cost for 1M input + 100K output tokens:
o3-mini (high)$1.54
Qwen3.5 Omni Plus$0.88

Speed Comparison

Output Speed (tokens/s) — higher is better
o3-mini (high)
142 tok/s
Qwen3.5 Omni Plus
50 tok/s
Time to First Token (seconds) — lower is better
o3-mini (high)
21.89s
Qwen3.5 Omni Plus
1.32s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
25.238.6
Coding Index
17.327.6
Math Index
GPQA Diamond
77.3%82.6%
MMLU-Pro
80.2%
LiveCodeBench
73.4%
AIME 2025
MATH-500
98.5%
Humanity's Last Exam
12.3%13.9%
SciCode
39.8%40.5%
IFBench
67.1%51.2%
TerminalBench
6.1%21.2%
o3-mini (high)4 wins
6 winsQwen3.5 Omni Plus

Frequently Asked Questions

Which is cheaper, o3-mini (high) or Qwen3.5 Omni Plus?

Qwen3.5 Omni Plus is cheaper overall. Its blended price (3:1 input/output ratio) is $1.50/M tokens vs $1.93/M for o3-mini (high).

Which model performs better on benchmarks?

Qwen3.5 Omni Plus wins 6 out of 12 benchmarks compared to 4 for o3-mini (high). See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3-mini (high) generates tokens faster at 142 tok/s vs 50 tok/s. However, Qwen3.5 Omni Plus has lower time-to-first-token (1.32s vs 21.89s).

When should I use o3-mini (high) vs Qwen3.5 Omni Plus?

Choose based on your priorities: Qwen3.5 Omni Plus for lower cost, Qwen3.5 Omni Plus for stronger benchmark performance, and o3-mini (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.