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deepseek-v4-flash pricing and usage · CheaperInference

Model record / DeepSeek

deepseek-v4-flash

Access deepseek-v4-flash from DeepSeek through one OpenAI-compatible API with live market-linked pricing and usage-based billing.

Text generationText inputReasoningStreaming40% below list

Input / 1M tokens~~$0.15 list~~$0.09

Output / 1M tokens~~$0.60 list~~$0.36

Cached input / 1M tokens~~$0.028 list~~$0.0018

Current discount40%

Observed reliability

99.74

Successful provider-reaching requests

Output speed

56.8

Median tokens per second over sustained generations

TTFT

4.9 s

p50 · p90 18.8 s · n 47,797

Latency

10 s

p50 · p90 38.4 s · n 335,370

Evidence strength

—

Provider: DeepSeek
Model ID: deepseek-v4-flash
Type: Text generation
Endpoints: /v1/chat/completions, /v1/responses, /v1/messages
Input: text
Output: text
Vision input: Not supported
Image editing: Not supported
Video input: Not supported
Reasoning: Supported
Streaming: Supported
Context window: 1,000,000 tokens

POST /v1/chat/completions

Field	Values
reasoning.exclude
max_tokens
reasoning	effort: none, low, medium, high; enabled: true or false
response_format
stop
temperature
tool_choice
tools

POST /v1/messages

Field	Values
max_tokens
thinking

Pricing history

See how much this model saves and when its recorded price has been lowest.

Time zone

deepseek-v4-flash

Growing confidence

This model averaged 40.0% below comparable direct provider prices across the selected range. Its strongest observed window was 6:00 PM–4:00 PM in UTC.

Last 24 hours

Average saved

40.0%

Last 24 hours

Cheapest time

6:00 PM–4:00 PM

40.0% average savings

Hourly coverage

23/24

23 total observations

Signal quality

Growing

Ready for planning

Typical unit savings$0.08 / 1M input tokens$0.31 / 1M output tokens

Hover a bar for savings per token and observation counts.

Source buckets are UTC; labels are converted to UTC.

Last 24 hours

#7

of 408 ranked models

Last 7 days

#6

of 418 ranked models

Last 30 days

#6

of 418 ranked models

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POST /v1/chat/completions

curl https://api.cheaperinference.com/v1/chat/completions \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "deepseek-v4-flash",    "messages": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "max_tokens": 64  }'

POST /v1/responses

curl https://api.cheaperinference.com/v1/responses \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "input": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "model": "deepseek-v4-flash",    "store": false,    "max_output_tokens": 256  }'

POST /v1/messages

curl https://api.cheaperinference.com/v1/messages \  -H "Authorization: Bearer ci_live_YOUR_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "deepseek-v4-flash",    "messages": [      {        "role": "user",        "content": "Reply with the single word OK."      }    ],    "max_tokens": 64  }'