GPT-4 vs GPT-3.5 Turbo
Performance benchmarks + pricing comparison — updated April 2026
GPT-4
OpenAIOriginal GPT-4. Most expensive OpenAI model, largely superseded by newer options.
| Input | $30.00/M |
| Output | $60.00/M |
| Context | 8K tokens |
| Best For | Legacy applications requiring GPT-4 specifically |
| Benchmark | 68/100 |
GPT-3.5 Turbo
OpenAIBudget model for simple tasks. Being phased out but still widely used.
| Input | $0.500/M |
| Output | $1.50/M |
| Context | 16K tokens |
| Best For | Simple chatbots, basic text generation |
| Benchmark | 40/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | GPT-4 | GPT-3.5 Turbo | Leader |
|---|---|---|---|
| Overall Score | 68 | 40 | GPT-4 leads by 28pts |
| SWE-bench Verified | 60 | 32 | GPT-4 leads by 28pts |
| LiveCodeBench | 70 | 42 | GPT-4 leads by 28pts |
| HumanEval | 86 | 62 | GPT-4 leads by 24pts |
| BigCodeBench | 54 | 26 | GPT-4 leads by 28pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4 | GPT-3.5 Turbo | Savings |
|---|---|---|---|
| Small Script (1K lines) | $2.85 | $0.06 | GPT-3.5 Turbo saves $2.79 (98%) |
| Medium Feature (10K lines) | $22.50 | $0.48 | GPT-3.5 Turbo saves $22.02 (98%) |
| Large Project (50K lines) | $112.50 | $2.38 | GPT-3.5 Turbo saves $110.13 (98%) |
| Code Review (5K lines) | $6.75 | $0.13 | GPT-3.5 Turbo saves $6.63 (98%) |
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 |
|---|---|---|---|
| GPT-4 | 68 | $0.441/pt | Higher cost per point |
| GPT-3.5 Turbo | 40 | $0.013/pt | Better value |
GPT-3.5 Turbo delivers the best value at $0.013 per score point.
Strengths & Weaknesses
GPT-4
- + Original breakthrough model
- - Two generations behind
- - Expensive
GPT-3.5 Turbo
- + Ultra-cheap
- + Very fast
- - Basic coding only
Verdict
GPT-3.5 Turbo is cheaper at $0.500/M, but GPT-4 scores higher on benchmarks (68 vs 40).
Choose GPT-3.5 Turbo for cost-sensitive projects, GPT-4 when performance matters most.
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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