DeepSeek V4 Flash
deepseek/deepseek-v4-flashDeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and high-throughput workloads, while maintaining strong reasoning and coding performance.
- Input price
- $0.22
$0.30USD / 1M tokens - Output price
- $0.90
$1.20USD / 1M tokens - Cache read
- $0.0045
$0.006USD / 1M tokens - Context window
- 1M
- Max output
- 384K
Specifications
- Input
- Text
- Output
- Text
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OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "deepseek/deepseek-v4-flash",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Questions
FAQ
How do I call DeepSeek V4 Flash through SandBase?
Create a SandBase API key, then send requests with the model ID "deepseek/deepseek-v4-flash" 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 Flash cost?
$0.22 per 1M input tokens and $0.90 per 1M output tokens with the current 25% discount (list price $0.30 / $1.20), billed per request from your SandBase balance.
What is the context window of DeepSeek V4 Flash?
1M tokens of context, with up to 384K output tokens per response.
Which features does DeepSeek V4 Flash support?
DeepSeek V4 Flash supports 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 Flash and the other models in the catalog; you do not need to sign up with DeepSeek separately.