Qwen Plus vs DeepSeek Chat V3
Performance benchmarks + pricing comparison — updated April 2026
Qwen Plus
QwenBalanced Qwen model for general tasks. Good price-performance ratio.
| Input | $0.400/M |
| Output | $1.20/M |
| Context | 128K tokens |
| Best For | General-purpose tasks, bilingual coding |
| Benchmark | 55/100 |
DeepSeek Chat V3
DeepSeekVery affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.
| Input | $0.270/M |
| Output | $1.10/M |
| Context | 128K tokens |
| Best For | Cost-sensitive projects, coding, general tasks |
| Benchmark | 62/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | Qwen Plus | DeepSeek Chat V3 | Leader |
|---|---|---|---|
| Overall Score | 55 | 62 | DeepSeek Chat (V3) leads by 7pts |
| SWE-bench Verified | 48 | 56 | DeepSeek Chat (V3) leads by 8pts |
| LiveCodeBench | 58 | 64 | DeepSeek Chat (V3) leads by 6pts |
| HumanEval | 78 | 84 | DeepSeek Chat (V3) leads by 6pts |
| BigCodeBench | 40 | 46 | DeepSeek Chat (V3) leads by 6pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Qwen Plus | DeepSeek Chat V3 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.05 | $0.04 | DeepSeek Chat V3 saves <$0.01 (15%) |
| Medium Feature (10K lines) | $0.38 | $0.31 | DeepSeek Chat V3 saves $0.07 (17%) |
| Large Project (50K lines) | $1.90 | $1.57 | DeepSeek Chat V3 saves $0.33 (17%) |
| Code Review (5K lines) | $0.10 | $0.07 | DeepSeek Chat V3 saves $0.03 (25%) |
Value Analysis (Price per Benchmark Score Point)
Lower is better — how much you pay for each point of benchmark performance.
| Model | Overall Score | Price per Score Point | Verdict |
|---|---|---|---|
| Qwen Plus | 55 | $0.007/pt | Higher cost per point |
| DeepSeek Chat V3 | 62 | $0.004/pt | Better value |
DeepSeek Chat V3 delivers the best value at $0.004 per score point.
Strengths & Weaknesses
Qwen Plus
- + Budget-friendly
- - Average performance
DeepSeek Chat V3
- + Excellent value
- + Strong coding focus
- - Less general-purpose
Verdict
DeepSeek Chat V3 wins on both price and performance — $0.270/M input with a benchmark score of 62/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
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