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DeepSeek
DeepSeek V4.1 Flash Pricing, Specs & Alternatives

Peak price shown. Off-peak is half: $0.15 in, $0.60 out. Model version DeepSeek-V4.1-Flash-1017.
Latest changes
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Questions
How much does DeepSeek V4.1 Flash cost
DeepSeek V4.1 Flash lists $0.30 per 1M input tokens and $1.20 per 1M output tokens, checked Nov 9, 2026 on api-docs.deepseek.com.
When was DeepSeek V4.1 Flash released
Oct 17, 2026.
What is the DeepSeek V4.1 Flash context window
1M tokens, per api-docs.deepseek.com, read Nov 9, 2026.
Who makes DeepSeek V4.1 Flash
DeepSeek.
What are alternatives to DeepSeek V4.1 Flash
Claude Haiku 5.5, Gemini 3.1 Flash-Lite, Gemini 3.5 Flash-Lite, Gemini 3 Flash Preview, GLM-5.3-Flash.
Head to head
All comparisons- DeepSeek V4.1 Flash vs Gemini 3.1 Flash-Lite: DeepSeek V4.1 Flash $0.30 / $1.20 vs Gemini 3.1 Flash-Lite $0.25 / $1.50 per 1M tokens in / out.
- DeepSeek V4.1 Flash vs Gemini 3.5 Flash-Lite: DeepSeek V4.1 Flash $0.30 / $1.20 vs Gemini 3.5 Flash-Lite $0.30 / $2.50 per 1M tokens in / out.
- DeepSeek V4.1 Flash vs GLM-5.3-FlashX: DeepSeek V4.1 Flash $0.30 / $1.20 vs GLM-5.3-FlashX $0.37 / $1.25 per 1M tokens in / out.