DeepSeek Chat V3 vs DeepSeek Reasoner (R1)
Performance benchmarks + pricing comparison — updated April 2026
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 |
DeepSeek Reasoner (R1)
DeepSeekDeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.
| Input | $0.550/M |
| Output | $2.19/M |
| Context | 128K tokens |
| Best For | Complex reasoning, math, advanced coding |
| Benchmark | 72/100 |
Benchmark Performance Comparison
Third-party benchmark scores — higher is better. Data sourced from SWE-bench, LiveCodeBench, HumanEval, and BigCodeBench.
| Benchmark | DeepSeek Chat V3 | DeepSeek Reasoner (R1) | Leader |
|---|---|---|---|
| Overall Score | 62 | 72 | DeepSeek Reasoner (R1) leads by 10pts |
| SWE-bench Verified | 56 | 68 | DeepSeek Reasoner (R1) leads by 12pts |
| LiveCodeBench | 64 | 76 | DeepSeek Reasoner (R1) leads by 12pts |
| HumanEval | 84 | 90 | DeepSeek Reasoner (R1) leads by 6pts |
| BigCodeBench | 46 | 56 | DeepSeek Reasoner (R1) leads by 10pts |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | DeepSeek Chat V3 | DeepSeek Reasoner (R1) | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.04 | $0.08 | DeepSeek Chat V3 saves $0.04 (50%) |
| Medium Feature (10K lines) | $0.31 | $0.63 | DeepSeek Chat V3 saves $0.32 (50%) |
| Large Project (50K lines) | $1.57 | $3.15 | DeepSeek Chat V3 saves $1.58 (50%) |
| Code Review (5K lines) | $0.07 | $0.15 | DeepSeek Chat V3 saves $0.08 (50%) |
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 |
|---|---|---|---|
| DeepSeek Chat V3 | 62 | $0.004/pt | Better value |
| DeepSeek Reasoner (R1) | 72 | $0.008/pt | Higher cost per point |
DeepSeek Chat V3 delivers the best value at $0.004 per score point.
Strengths & Weaknesses
DeepSeek Chat V3
- + Excellent value
- + Strong coding focus
- - Less general-purpose
DeepSeek Reasoner (R1)
- + Strong reasoning chain
- + Good value
- - Slow on simple tasks
Verdict
DeepSeek Chat V3 is cheaper at $0.270/M, but DeepSeek Reasoner (R1) scores higher on benchmarks (72 vs 62).
Choose DeepSeek Chat V3 for cost-sensitive projects, DeepSeek Reasoner (R1) when performance matters most.
Compare with Other Models
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