Monday, October 5, 2026 · No. 435Prices synced 5 hours ago
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The AI Model Price Index

DeepSeek V4.1 Flash Flex

by Neuralwatt · family deepseek-flash · listed Sep 2026RTVW

DeepSeek V4.1 Flash model for reasoning and agentic coding

Current rates USD per 1M tokens

Input$0.0975
Output$0.39
Cache read$0.0097
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4.1 Flash FlexDeepSeek V4.1 Flash Flex: $0.0975 per 1M tokens$0.0975DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.15 per 1M tokens$0.15Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GLM-5.3GLM-5.3: $1.40 per 1M tokens$1.40Claude Sonnet 5.5Claude Sonnet 5.5: $2.00 per 1M tokens$2.00GPT-6.1 SolGPT-6.1 Sol: $2.00 per 1M tokens$2.00Grok 4.7Grok 4.7: $2.00 per 1M tokens$2.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V4.1 Flash FlexDeepSeek V4.1 Flash Flex: $0.39 per 1M tokens$0.39Qwen3.8 Omni FlashQwen3.8 Omni Flash: $0.47 per 1M tokens$0.47DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.3GLM-5.3: $4.40 per 1M tokens$4.40Grok 4.7Grok 4.7: $6.00 per 1M tokens$6.00Claude Sonnet 5.5Claude Sonnet 5.5: $10.00 per 1M tokens$10.00GPT-6.1 SolGPT-6.1 Sol: $10.00 per 1M tokens$10.00

On the record

Model id
deepseek-v4.1-flash-flex
Context window
1.0M tokens
Max output
393K tokens
Input modalities
text, image
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
yes
Knowledge cutoff
May 2025
Released
2026-09-10
Last updated
2026-09-10
Provider docs
portal.neuralwatt.com/docs

Back of the envelope

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