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API Stock
All comparisons

Comparisons

GPT 6 Luna vs DeepSeek V4 Flash

Side-by-side pricing and capabilities on the API Stock API — one key, one prepaid balance.

Chat
OpenAI
GPT 6 Luna

$0.12input price per 1M tokens

Chat
DeepSeek
DeepSeek V4 Flash

$0.168input price per 1M tokens

What 10M input tokens cost

GPT 6 Luna

$1.20

$0.12 input price per 1M tokens

DeepSeek V4 Flash

$1.68

$0.168 input price per 1M tokens

GPT 6 Luna costs $0.48 less per 10M input tokens — 29% cheaper than DeepSeek V4 Flash. Both are billed from the same prepaid balance, so switching costs nothing.

Side by side

AttributeGPT 6 LunaDeepSeek V4 Flash
TypeChatChat
ProviderOpenAIDeepSeek
Starting price$0.12 input price per 1M tokens$0.168 input price per 1M tokens
10M input tokens$1.20$1.68
Price options42
Parameters00
Capabilities——
DetailsView GPT 6 Luna →View DeepSeek V4 Flash →

Frequently asked questions

Which is cheaper, GPT 6 Luna or DeepSeek V4 Flash?

GPT 6 Luna is the cheaper of the two: $0.12 against $0.168 per 1M input tokens. Both are usage-based, so you pay per request with no subscription and no minimum.

What do GPT 6 Luna and DeepSeek V4 Flash cost for 10M input tokens?

10M input tokens cost $1.20 on GPT 6 Luna and $1.68 on DeepSeek V4 Flash — a difference of $0.48, or 29% less on GPT 6 Luna. Both draw on the same prepaid balance.

What can GPT 6 Luna do that DeepSeek V4 Flash cannot?

Their published capabilities match, so the practical differences between GPT 6 Luna and DeepSeek V4 Flash are price and the parameters each accepts.

Can I switch between GPT 6 Luna and DeepSeek V4 Flash?

Yes. Both run behind the same API Stock 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.

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