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DeepSeek V4.1 Flash

open source

DeepSeek model, released 10 Sept 2026.

$0.15
per 1M input tokens
$0.6
per 1M output tokens
$0.003
per 1M cached-read tokens
Calculate what your real prompts cost on DeepSeek V4.1 Flash

Price history

Price stable since we started tracking (10 Sept 2026). History will chart here as soon as it moves.

Specifications

Lab
DeepSeek
Released
10 Sept 2026
Context window
1.0M tokens
Max output
384k tokens
Input modalities
text, image
Output modalities
text
Knowledge cutoff
Open source
Yes

Frequently asked questions

How much does DeepSeek V4.1 Flash cost?

DeepSeek V4.1 Flash costs $0.15 per 1M input tokens and $0.6 per 1M output tokens (list price, updated every 6 hours).

What is DeepSeek V4.1 Flash's context window?

DeepSeek V4.1 Flash supports a 1.0M-token context window with up to 384k output tokens.

Related models

DeepSeek V4.1 Flash: API Pricing & Specs (2026) | AIToolScout