GPT-4o vs DeepSeek Chat V3
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 |
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 | GPT-4o | DeepSeek Chat V3 | Leader |
|---|---|---|---|
| Overall Score | 75 | 62 | GPT-4o leads by 13pts |
| SWE-bench Verified | 70 | 56 | GPT-4o leads by 14pts |
| LiveCodeBench | 78 | 64 | GPT-4o leads by 14pts |
| HumanEval | 90 | 84 | GPT-4o leads by 6pts |
| BigCodeBench | 62 | 46 | GPT-4o leads by 16pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | DeepSeek Chat V3 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.04 | DeepSeek Chat V3 saves $0.36 (90%) |
| Medium Feature (10K lines) | $3.06 | $0.31 | DeepSeek Chat V3 saves $2.75 (90%) |
| Large Project (50K lines) | $15.31 | $1.57 | DeepSeek Chat V3 saves $13.74 (90%) |
| Code Review (5K lines) | $0.78 | $0.07 | DeepSeek Chat V3 saves $0.71 (90%) |
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-4o | 75 | $0.033/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
GPT-4o
- + Strong general-purpose
- + Good multimodal
- - Less consistent on coding than Claude
DeepSeek Chat V3
- + Excellent value
- + Strong coding focus
- - Less general-purpose
Verdict
DeepSeek Chat V3 is cheaper at $0.270/M, but GPT-4o scores higher on benchmarks (75 vs 62).
Choose DeepSeek Chat V3 for cost-sensitive projects, GPT-4o when performance matters most.
Compare with Other Models
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Claude Opus 4
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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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