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GPT-5 vs DeepSeek R1
A detailed comparison of GPT-5 (OpenAI) and DeepSeek R1 (DeepSeek) across pricing, performance, and features.
Pricing Comparison
| Metric | GPT-5 | DeepSeek R1 | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.25 | $0.55 | -56% |
| Output / 1M tokens | $10.00 | $2.19 | -78% |
| Context window | 128K | 128K | — |
| Max output | 16.384K | 64K | — |
Benchmark Comparison
| Benchmark | GPT-5 | DeepSeek R1 |
|---|---|---|
| MMLU-Pro | 88.5% | 84% |
| HumanEval | 95% | 92% |
| GPQA | 73.5% | 71.5% |
Capabilities
| Capability | GPT-5 | DeepSeek R1 |
|---|---|---|
| audio | ✓ | ✗ |
| code | ✓ | ✓ |
| reasoning | ✓ | ✓ |
| text | ✓ | ✓ |
| tool-use | ✓ | ✗ |
| vision | ✓ | ✗ |
GPT-5 Strengths
- ✓Strong all-around performance
- ✓Good price for flagship tier
- ✓Multimodal including audio
GPT-5 Weaknesses
- ✗128K context vs 200K+ for newer models
- ✗Codex variants better for pure coding
DeepSeek R1 Strengths
- ✓Cheapest reasoning model available
- ✓Strong math and science performance
- ✓Open-source with off-peak discounts
DeepSeek R1 Weaknesses
- ✗Slower than non-reasoning models
- ✗No vision or tool-use
- ✗China-based — availability concerns
Quick Verdict
Best value: DeepSeek R1 is the more affordable option at $0.55/$2.19 per 1M tokens.
Higher benchmarks: GPT-5 scores higher on average across available benchmarks (85.7% avg).
Choose DeepSeek R1 if cost matters most. Choose GPT-5 if you need the best possible quality for complex tasks.