OpenAI o3-mini vs Qwen Plus

Performance benchmarks + pricing comparison — updated April 2026

OpenAI o3-mini

OpenAI

Affordable reasoning model for coding tasks. Best price-performance for algorithm-heavy work.

Input$1.10/M
Output$4.40/M
Context200K tokens
Best ForAlgorithm design, coding challenges, debugging
Benchmark80/100

Qwen Plus

Qwen

Balanced Qwen model for general tasks. Good price-performance ratio.

Input$0.400/M
Output$1.20/M
Context128K tokens
Best ForGeneral-purpose tasks, bilingual coding
Benchmark55/100

Benchmark Performance Comparison

Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.

BenchmarkOpenAI o3-miniQwen PlusLeader
Overall Score 80 55 o3-mini leads by 25pts
SWE-bench Verified 76 48 o3-mini leads by 28pts
LiveCodeBench 85 58 o3-mini leads by 27pts
HumanEval 94 78 o3-mini leads by 16pts
BigCodeBench 65 40 o3-mini leads by 25pts

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioOpenAI o3-miniQwen PlusSavings
Small Script (1K lines) $0.17 $0.05 Qwen Plus saves $0.12 (71%)
Medium Feature (10K lines) $1.27 $0.38 Qwen Plus saves $0.89 (70%)
Large Project (50K lines) $6.33 $1.90 Qwen Plus saves $4.43 (70%)
Code Review (5K lines) $0.30 $0.10 Qwen Plus saves $0.20 (67%)

Value Analysis (Price per Benchmark Score Point)

Lower is better — how much you pay for each point of benchmark performance.

ModelOverall ScorePrice per Score PointVerdict
OpenAI o3-mini 80 $0.014/pt Higher cost per point
Qwen Plus 55 $0.007/pt Better value

Qwen Plus delivers the best value at $0.007 per score point.

Strengths & Weaknesses

OpenAI o3-mini

  • + Excellent at competitive programming
  • + Strong algorithmic reasoning
  • - Optimized for reasoning, not chat

Qwen Plus

  • + Budget-friendly
  • - Average performance

Verdict

Qwen Plus is cheaper at $0.400/M, but OpenAI o3-mini scores higher on benchmarks (80 vs 55).

Choose Qwen Plus for cost-sensitive projects, OpenAI o3-mini when performance matters most.

Compare with Other Models