GPT-5 vs DeepSeek V3.1
Side-by-side comparison of specs, pricing, and capabilities
| Spec | 🌐 GPT-5 | 🧠 DeepSeek V3.1 |
|---|---|---|
| Provider | OpenAI | DeepSeek |
| Category | 🌐 Multimodal | 🧠 Reasoning |
| Parameters | Undisclosed | 671B |
| Context Window | 256K tokens | 128K tokens |
| License | 🔒 proprietary | 🔓 open |
| Input Price | $10 | $0.27 |
| Output Price | $30 | $1.10 |
| API Available | ✅ | ✅ |
| Released | Dec 1, 2025 | Jun 1, 2025 |
| Trending Score | 🔥 96 | 🔥 88 |
GPT-5 Strengths
- ✓State-of-the-art multimodal
- ✓Native tool use
- ✓Massive knowledge cutoff
- ✓Strong reasoning
DeepSeek V3.1 Strengths
- ✓Incredible cost efficiency
- ✓Open weights
- ✓Top-tier math/coding
- ✓MoE architecture
About GPT-5
OpenAI's latest flagship. Advanced multimodal capabilities with native tool use, improved reasoning, and massive knowledge.
View full details →About DeepSeek V3.1
671B MoE model with only 37B active parameters. Open-weight, excels at math, coding, and Chinese language tasks.
View full details →❓ Frequently Asked Questions
Which is better, GPT-5 or DeepSeek V3.1?
It depends on your use case. GPT-5 (OpenAI) has a trending score of 96, while DeepSeek V3.1 (DeepSeek) scores 88. GPT-5 costs $10 per 1M input tokens. Check the comparison table above for detailed specs.
Is GPT-5 cheaper than DeepSeek V3.1?
GPT-5 costs $10 input / $30 output per 1M tokens, while DeepSeek V3.1 costs $0.27 input / $1.10 output.
Can I use both GPT-5 and DeepSeek V3.1?
Yes! Many developers use multiple models for different tasks. You might use one for complex reasoning and another for high-volume, cost-sensitive workloads.