Comparisons
DeepSeek V4 Flash vs GPT 5.6 Luna
Side-by-side pricing and capabilities on the API Hubs API — one key, one prepaid balance.
What 10M input tokens cost
DeepSeek V4 Flash
1.68 coins
0.168 coins input price per 1M tokens
GPT 5.6 Luna
1.80 coins
0.18 coins input price per 1M tokens
DeepSeek V4 Flash costs 0.12 coins less per 10M input tokens — 7% cheaper than GPT 5.6 Luna. Both are billed from the same prepaid balance, so switching costs nothing.
Side by side
| Attribute | DeepSeek V4 Flash | GPT 5.6 Luna |
|---|---|---|
| Type | Chat | Chat |
| Provider | DeepSeek | OpenAI |
| Starting price | 0.168 coins input price per 1M tokens | 0.18 coins input price per 1M tokens |
| 10M input tokens | 1.68 coins | 1.80 coins |
| Price options | 2 | 4 |
| Parameters | 0 | 0 |
| Capabilities | — | — |
| Details | View DeepSeek V4 Flash → | View GPT 5.6 Luna → |
Frequently asked questions
Which is cheaper, DeepSeek V4 Flash or GPT 5.6 Luna?
DeepSeek V4 Flash is the cheaper of the two: 0.168 coins against 0.18 coins per 1M input tokens. Both are usage-based, so you pay per request with no subscription and no minimum.
What do DeepSeek V4 Flash and GPT 5.6 Luna cost for 10M input tokens?
10M input tokens cost 1.68 coins on DeepSeek V4 Flash and 1.80 coins on GPT 5.6 Luna — a difference of 0.12 coins, or 7% less on DeepSeek V4 Flash. Both draw on the same prepaid balance.
What can DeepSeek V4 Flash do that GPT 5.6 Luna cannot?
Their published capabilities match, so the practical differences between DeepSeek V4 Flash and GPT 5.6 Luna are price and the parameters each accepts.
Can I switch between DeepSeek V4 Flash and GPT 5.6 Luna?
Yes. Both run behind the same API Hubs endpoint, so switching means changing the model field in the request body. The same API key and the same prepaid balance cover both, and there is nothing else to migrate.