AI Battle > Rankings > GPT-5.6 Luna vs DeepSeek V4.1 Flash
Head-to-head from public datasets. The better value in each row is highlighted; direction is stated per metric — for costs lower is better, for capability and speed higher is better. Pair sourced from the Cost per Task ranking.
| Metric | GPT-5.6 Luna | DeepSeek V4.1 Flash |
|---|---|---|
| Creator | OpenAI | DeepSeek |
| Intelligence index | 37.5 | 39.5 |
| Context window (tokens) | 1,000,000 | 1,000,000 |
| Input price / 1M tokens | $0.2 | $0.3 |
| Output price / 1M tokens | $1.2 | $1.2 |
| Output speed (tok/s) | — | — |
| Time to first token (s) | — | — |
Pair sourced from the Cost per Task ranking; leader and runner-up there.
This static page is a snapshot rebuilt daily. The interactive comparison of GPT-5.6 Luna and DeepSeek V4.1 Flash loads the same numbers from the live API.
Values come from public benchmark datasets and provider list prices; see the methodology for sources, limitations and corrections. Prices are list prices — verify on the provider's pricing page before spending money.