OpenAI o3 vs Qwen 2.5 72B
Performance benchmarks + pricing comparison — updated April 2026
OpenAI o3
OpenAINext generation reasoning model. Improved coding and math over o1.
| Input | $10.00/M |
| Output | $40.00/M |
| Context | 200K tokens |
| Best For | Advanced coding, complex problem-solving |
| Benchmark | 85/100 |
Qwen 2.5 72B
QwenQwen's open-weight 72B model. Strong Chinese and English performance at competitive pricing.
| Input | $0.400/M |
| Output | $0.800/M |
| Context | 128K tokens |
| Best For | Chinese-English applications, code generation, open-source preference |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | OpenAI o3 | Qwen 2.5 72B | Savings |
|---|---|---|---|
| Small Script (1K lines) | $1.55 | $0.04 | Qwen 2.5 72B saves $1.51 (98%) |
| Medium Feature (10K lines) | $11.50 | $0.30 | Qwen 2.5 72B saves $11.20 (97%) |
| Large Project (50K lines) | $57.50 | $1.50 | Qwen 2.5 72B saves $56.00 (97%) |
| Code Review (5K lines) | $2.75 | $0.09 | Qwen 2.5 72B saves $2.66 (97%) |
Verdict
Qwen 2.5 72B wins on both price and performance — $0.400/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
Compare with Other Models
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Claude 3.5 Sonnet
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Claude 3.5 Haiku
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Claude 3 Opus
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Claude 3 Sonnet
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