DeepSeek V4.1 Flash Economy
deepseek/deepseek-v4.1-flash-economyDeepSeek V4.1 Flash Economy is a lower-cost service tier of the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served through Volcengine Ark. It keeps the 1M-token context window, image input and reasoning of the standard model, and suits cost-sensitive batch and agent workloads that can accept higher latency.
- Input price
- $0.30USD / 1M tokens
- Output price
- $1.20USD / 1M tokens
- Cache read
- $0.006USD / 1M tokens
- Context window
- 1M
- Max output
- 384K
Specifications
- Input
- Text, image
- Output
- Text
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OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "deepseek/deepseek-v4.1-flash-economy",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Input Schema
13 parameters · 1 required · 12 optional
| Parameter | Type | Required | Description |
|---|---|---|---|
messages | object[] | Required | — |
seed | integer | Optional | — |
stop | string[] | Optional | — |
tools | array | Optional | — |
top_k | integer | Optional | Min: 0 |
top_p | number | Optional | Min: 0 · Max: 1 |
stream | boolean | Optional | Default: false |
max_tokens | integer | Optional | Max: 384000 |
temperature | number | Optional | Min: 0 · Max: 2 · Default: 1 |
tool_choice | string | Optional | — |
response_format | object | Optional | — |
presence_penalty | number | Optional | Min: -2 · Max: 2 |
frequency_penalty | number | Optional | Min: -2 · Max: 2 |
Output Schema
| Field | Type | Description |
|---|---|---|
id | string | Unique identifier for the completion |
object | string | Object type, e.g. "chat.completion" |
model | string | Model used for the completion |
choices | array | List of completion choices |
choices[].message.content | string | Generated text content |
choices[].finish_reason | string | Reason the generation stopped |
usage.prompt_tokens | integer | Number of tokens in the prompt |
usage.completion_tokens | integer | Number of tokens in the completion |
usage.total_tokens | integer | Total tokens used |
Questions
FAQ
How do I call DeepSeek V4.1 Flash Economy through SandBase?
Create a SandBase API key, then send requests with the model ID "deepseek/deepseek-v4.1-flash-economy" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does DeepSeek V4.1 Flash Economy cost?
$0.30 per 1M input tokens and $1.20 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of DeepSeek V4.1 Flash Economy?
1M tokens of context, with up to 384K output tokens per response.
Which features does DeepSeek V4.1 Flash Economy support?
DeepSeek V4.1 Flash Economy supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate DeepSeek account?
No. One SandBase API key and balance gives you access to DeepSeek V4.1 Flash Economy and the other models in the catalog; you do not need to sign up with DeepSeek separately.