DeepSeek: DeepSeek V4.1 Flash 1017 vs OpenAI: GPT-5.6 Terra
deepseek vs openai
On price, DeepSeek: DeepSeek V4.1 Flash 1017 is cheaper (blended cost is about 0.06× that of OpenAI: GPT-5.6 Terra).
On capability, DeepSeek: DeepSeek V4.1 Flash 1017 has the higher intelligence index (45) — better for complex reasoning.
Verdict: pick DeepSeek: DeepSeek V4.1 Flash 1017 on a budget, or DeepSeek: DeepSeek V4.1 Flash 1017 for output quality. Full details below.
Side-by-Side Specs
| Metric | DeepSeek: DeepSeek V4.1 Flash 1017 | OpenAI: GPT-5.6 Terra |
|---|---|---|
| Input /1M | $0.15 | $2.00 |
| Output /1M | $0.60 | $12.00 |
| Blended (3:1) | $0.26 | $4.50 |
| Context | 1.0M | 1.1M |
| Intelligence | 45 | 42 |
| Coding | — | 77 |
| Math | — | — |
| Speed | 186 tok/s | 126 tok/s |
| CPS Grade | A | A |
FAQ
Which is cheaper, DeepSeek: DeepSeek V4.1 Flash 1017 or OpenAI: GPT-5.6 Terra?
On price, DeepSeek: DeepSeek V4.1 Flash 1017 is cheaper (blended cost is about 0.06× that of OpenAI: GPT-5.6 Terra). DeepSeek: DeepSeek V4.1 Flash 1017: $0.15 in / $0.6 out; OpenAI: GPT-5.6 Terra: $2 in / $12 out (per 1M tokens).
Which is smarter, DeepSeek: DeepSeek V4.1 Flash 1017 or OpenAI: GPT-5.6 Terra?
On capability, DeepSeek: DeepSeek V4.1 Flash 1017 has the higher intelligence index (45) — better for complex reasoning. Coding index: DeepSeek: DeepSeek V4.1 Flash 1017 — vs OpenAI: GPT-5.6 Terra 77.
Which one should I choose?
Verdict: pick DeepSeek: DeepSeek V4.1 Flash 1017 on a budget, or DeepSeek: DeepSeek V4.1 Flash 1017 for output quality. Full details below.