DeepSeek V4.1 Flash 1017 API Pricing & Monthly Cost Simulator

Verified 2026 unit economics for DeepSeek DeepSeek V4.1 Flash 1017 (deepseek/deepseek-v4.1-flash-1017): $0.038/1M uncached input, $0.01/1M cached prefix read, and $0.5/1M output across a 1,048,576-token context window (released 2026-10-17).

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Uncached Input (/1M)
$0.038
Cached Prompt Read (/1M)
$0.01 (-74%)
Output Completion (/1M)
$0.5
50% Batch API (In / Out)
Real-time API only (no 50% async batch)

Interactive 30-Day Monthly Spend Simulator

Live Unit-Cost & Prompt Cache Slider (DeepSeek V4.1 Flash 1017)
deepseek/deepseek-v4.1-flash-1017
Estimated 30-day spend
$14.88/mo
Cost per 1,000 calls
$0.4960
Monthly savings vs 0% cache
$1.68/mo

Technical Limits & API Capabilities

Context window
1,048,576
Max output tokens
943,718
Workload tier
Fast & Efficient
Input modalities
text, image
Tool Calling: Yes JSON Schema Strict: Yes Reasoning Tokens: Supported Batch API: Unavailable

Same-Category 2026 Model Alternatives (Fast & Efficient)

Unit pricing and context comparison across Fast & Efficient models
Model Provider Input / Cached ($/1M) Output ($/1M) Context / Max Out
DeepSeek V4.1 Flash 1017DeepSeek$0.038 / $0.01$0.51,048,576 / 943,718
Gemini Omni 1.2 FlashGoogle$1.5 / $0.375$9131,072 / 65,536
Gemini Omni 1.1 FlashGoogle$1.5 / $0.375$9131,072 / 65,536
GLM 5.3 FlashXZ.ai / GLM$0.37 / $0.075$1.251,048,576 / 131,072

Head-to-Head Matchups Featuring DeepSeek V4.1 Flash 1017

Frequently Asked Questions

How much does DeepSeek V4.1 Flash 1017 cost per 1 million tokens in 2026?

DeepSeek V4.1 Flash 1017 by DeepSeek is billed at $0.038 per 1M uncached input tokens, $0.01 per 1M cached input read tokens (74% cache discount), and $0.5 per 1M output tokens.

What are the context window and max output token limits for DeepSeek V4.1 Flash 1017?

DeepSeek V4.1 Flash 1017 supports a 1,048,576-token input context window and up to 943,718 completion output tokens per request, accepting text, image inputs.

Does DeepSeek V4.1 Flash 1017 support strict JSON Schema outputs, tool calling, and Batch API?

DeepSeek V4.1 Flash 1017 capability profile: tool calling = Supported, strict JSON Schema structured outputs = Supported, reasoning mode = Supported, and 50% asynchronous Batch API = Not listed.