DeepSeek V4 Flash API
Fast, very low cost DeepSeek tier for high-volume classification, extraction and chat.
Starting at
$0.168
input price per 1M tokens
DeepSeek V4 Flash playground
Input
openaiInput
$0.168 / 1M
Output
$0.336 / 1M
Output
Start a conversation
Ask DeepSeek V4 Flash anything. Messages are sent directly to the API and charged by token usage.
Sign in to chatDeepSeek V4 Flash API pricing
| Option | Price per 1M tokens |
|---|---|
| input | $0.168 |
| output | $0.336 |
Quick start
Full API reference →1curl -X POST https://api.api-stock.com/api/v1/chat/completions \2 -H "Authorization: Bearer $API_STOCK_KEY" \3 -H "Content-Type: application/json" \4 -d '{5 "model": "deepseek-v4-flash",6 "messages": [7 {8 "role": "user",9 "content": "A cinematic shot of a city at dusk"10 }11 ]12 }'
Frequently asked questions
How much does DeepSeek V4 Flash cost?
DeepSeek V4 Flash starts at $0.168 per 1M input tokens through the API Stock API. You pay per use from a single prepaid balance — there is no subscription — and the final price scales with parameters such as resolution or duration.
When was DeepSeek V4 Flash released?
DeepSeek V4 Flash was released on April 24, 2026. It is available through the API Stock API with the same key and prepaid balance as every other model.
How do I get an API key for DeepSeek V4 Flash?
Sign up for API Stock, top up your balance by any amount and create an API key in the dashboard — it takes a couple of minutes and needs no contract. The same key works with every model in the catalog, so there is no separate key to obtain for DeepSeek V4 Flash.
How do I call the DeepSeek V4 Flash API?
Send a POST request to https://api.api-stock.com/api/v1/chat/completions with your API key and the model "deepseek-v4-flash", using the openai-compatible request format shown in the quick start above.
What happens if a DeepSeek V4 Flash request fails?
API Stock automatically retries the request on a reserve provider. If every provider fails, the charge is refunded to your balance.
Can I use DeepSeek V4 Flash with the same API key as other models?
Yes. Every model on API Stock — video, image, music and chat — shares one API key and one prepaid balance, so you can switch to DeepSeek V4 Flash without new credentials.
Other Chat models
- GPT 6 LunaOpenAI$0.12/ 1M tokens
- GPT 5.6 LunaOpenAI$0.18/ 1M tokens
- Claude Sonnet 5Anthropic$0.3/ 1M tokens
- Qwen3.7 PlusQwen$0.343/ 1M tokens
- MiniMax M3MiniMax$0.36/ 1M tokens
- DeepSeek V4 ProDeepSeek$0.522/ 1M tokens
- Claude Sonnet 5.5Anthropic$0.9/ 1M tokens
- Gemini 3.5 FlashGoogle$0.9/ 1M tokens
- Gemini 3.6 FlashGoogle$0.9/ 1M tokens
Guides
- LLM API pricing: GPT, Claude, Gemini, DeepSeek comparedCompare LLM API pricing for GPT, Claude, Gemini, DeepSeek, Grok and Kimi per 1M tokens, with worked monthly cost examples and practical ways to cut the bill.10 min read
- Going to productionKey handling, webhooks over polling, idempotency, terminal states, retry policy by error code, balance monitoring, rate limits and media storage.10 min read