Overall · Snapshot captured:
- Artificial Analysis Intelligence Index
- 39.5
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Artificial Analysis
DeepSeek V4.1 Flash
FeaturedDeepSeek V4.1 Flash is the newest DeepSeek release, a Mixture-of-Experts model with a 1M-token context and controllable thinking (reasoning_effort 1-100). It is available through the DOS.AI gateway on Alibaba Cloud Model Studio with unified billing and OpenAI compatibility.
Capabilities:ReasoningMath and logicCode generationLong context (1M)Efficient inference
Modalities
Text input tokens
Text generation tokens
Input / Output Price
$0.30/$1.20/ 1M
Context Length
1M tokens
Released
Sep 10, 2026
Providers
Different companies host the same model. DOS.AI routes your request to one of them based on the routing mode you pick - Balanced (price + speed), Nitro (fastest), or Exacto (highest tool-calling accuracy).
Reasoning effortⓘAll
| Provider | Input /1M | Output /1M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|
Alibaba Cloud | $0.30 (cheapest) | $1.20 (cheapest) | $0.03 | - | - | - |
BytePlus | $0.315 | $1.26 | $0.0315 | - | - | - |
Pricing
Rates from the DOS.AI catalog for the billing units shown. Caching and provider discounts mean the price actually paid is often below the listed one.
Weighted Averagei
Weighted Avg Input Price
$0.315/ 1M tokens
Equal to list price
Weighted Avg Output Price
$1.254/ 1M tokens
Equal to list price
Cache read
$0.03/ 1M tokens
Rate for cached input tokens
Price History2 verified endpoints
Weighted Average($0.31)
Provider↕ | Effective in /M↕ | Effective out /M↕ | Cache read /M↕ | Latency↕ | Throughput↕ | Uptime↕ | Savings↕ |
|---|---|---|---|---|---|---|---|
BytePlus | $0.32$0.14 | $1.26 | $0.03 | - | - | - | -54% |
Alibaba Cloud | $0.30 | $1.20 | $0.03 | - | - | - | - |
Based on settled billing for the last 30d.Effective pricing represents the average price paid for requests to this endpoint, factoring in caching, discounts, and tiered pricing. Listed pricing shows the posted provider list prices.
Observed reliability
Success rate across observed provider requests. This is historical sample data, not live health or an uptime guarantee.
Not enough observations
Last 7 days
There are not enough valid request observations to report a success rate.
Benchmarks
Dated third-party measurements with source links.
API Integration
Use the DOS API to integrate DeepSeek V4.1 Flash into your applications. Compatible with standard OpenAI SDKs for easy drop-in migration.
</>Run inference
curl https://api.dos.ai/v1/chat/completions \
-H "Authorization: Bearer $DOS_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash",
"messages": [
{
"role": "user",
"content": "Hello!"
}
]
}'