GPT-4o vs Phi-3 Medium
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o
OpenAIOpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.
| Input | $2.50/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | General coding, multimodal tasks, chatbots |
| Benchmark | 75/100 |
Phi-3 Medium
MicrosoftMicrosoft's mid-size Phi-3 model. Better performance than Mini for moderate complexity tasks.
| Input | $0.100/M |
| Output | $0.300/M |
| Context | 128K tokens |
| Best For | Moderate complexity tasks, Azure-based applications |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | Phi-3 Medium | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.01 | Phi-3 Medium saves $0.39 (97%) |
| Medium Feature (10K lines) | $3.06 | $0.10 | Phi-3 Medium saves $2.97 (97%) |
| Large Project (50K lines) | $15.31 | $0.47 | Phi-3 Medium saves $14.84 (97%) |
| Code Review (5K lines) | $0.78 | $0.02 | Phi-3 Medium saves $0.76 (97%) |
Verdict
Phi-3 Medium wins on both price and performance — $0.100/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
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