DeepSeek · Flagship

DeepSeek-V4.1-Flash API pricing and specs

DeepSeek's newest model, which DeepSeek says beats V4-Pro on quality, speed and price, and which accepts both OpenAI and Anthropic request formats.

Input

⁨$0.30⁩

Cached input

⁨$0.006⁩

Output

⁨$1.20⁩

US dollars per million tokens, standard tier, short-prompt rate

The old names deepseek-v4-flash and deepseek-v4-flash-vision-exp now route here. Cache hits cost $0.006 per million at peak and half that off-peak.

DeepSeek charges half price off-peak. Peak hours are 01:00 to 04:00 and 06:00 to 10:00 UTC on weekdays; every other hour, weekends included, is off-peak. The table shows peak prices.

Spec sheet

API model string: deepseek-flash
Provider: DeepSeek
Context: 1M tokens
Max output: 384K tokens
Released: September 10, 2026
Batch API: No batch discount listed
Documented agent features: Tool callingStructured outputAdjustable reasoningImage input

What a task costs

Four reference workloads priced at this model's list rates, with caching applied after the first call. Your numbers will differ; the calculator lets you change every assumption.

Workload	Per task	Per 1,000 tasks
Support bot 4 calls, short tool lookups	⁨$0.007⁩	⁨$7⁩
Coding agent 30 calls, files and test output	⁨$0.218⁩	⁨$218⁩
Browser agent 25 calls, screenshots and page text	⁨$0.186⁩	⁨$186⁩
Research agent 15 calls, long search results	⁨$0.180⁩	⁨$180⁩