DeepSeek Reasoner (R1) vs GPT-4.1 Nano
Performance benchmarks + pricing comparison — updated April 2026
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 |
GPT-4.1 Nano
OpenAIOpenAI's smallest and cheapest GPT-4.1 model. Fast responses for simple tasks.
| Input | $0.100/M |
| Output | $0.400/M |
| Context | 1M tokens |
| Best For | Simple queries, classification, fast responses |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | DeepSeek Reasoner (R1) | GPT-4.1 Nano | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.08 | $0.02 | GPT-4.1 Nano saves $0.07 (82%) |
| Medium Feature (10K lines) | $0.63 | $0.12 | GPT-4.1 Nano saves $0.52 (82%) |
| Large Project (50K lines) | $3.15 | $0.58 | GPT-4.1 Nano saves $2.58 (82%) |
| Code Review (5K lines) | $0.15 | $0.03 | GPT-4.1 Nano saves $0.12 (82%) |
Verdict
GPT-4.1 Nano 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.
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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