DeepSeekdeepseek-v4.1-flash
DeepSeek V4.1 Flash
Reasoning and vision at a fraction of flagship prices.
DeepSeek V4.1 Flash pairs reasoning, vision, and a million-token context with some of the lowest prices in the catalog — built for high-volume work that still has to think.
- High volume
- Long context
- Low cost
Model details
- Context window
- 1.1M tokens
- Max output
- 393K tokens
- Input
- Text, images
- Output
- Text
- Capabilities
- Reasoning, Vision, Tool calling, Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
Pricing
Per 1M tokens. The Inferray price is what you are charged — no gateway fee is added on top of it.
| Metric | List price | You pay |
|---|---|---|
| Input | $0.15 | $0.12 |
| Cached input | $0.00 | $0.00 |
| Output | $0.60 | $0.48 |
Why teams pick it
- Reasoning and vision at a fraction of flagship prices
- Over 1M tokens of context, with room for very long answers
- Succeeds V4 Flash and V4 Pro
Call DeepSeek V4.1 Flash
DeepSeek V4.1 Flash answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.
/v1/chat/completionsOpenAI-style Chat Completions · openai SDK or plain HTTP
curl https://api.inferray.com/v1/chat/completions \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"messages": [{"role": "user", "content": "ship it"}]
}'/v1/messagesAnthropic-style Messages · @anthropic-ai/sdk SDK or plain HTTP
curl https://api.inferray.com/v1/messages \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"max_tokens": 1024,
"messages": [{"role": "user", "content": "ship it"}]
}'/v1/responsesOpenAI-style Responses · openai SDK or plain HTTP
curl https://api.inferray.com/v1/responses \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"input": "ship it"
}'