DeepSeek V4.1 Flash 是一款多模态模型,专为更快的推理速度与更高吞吐量而设计,在逻辑推理、代码生成、视觉理解及 Agent 任务中表现卓越。其全新架构大幅提升了运行效率,同时保留了处理复杂多步任务所需的强大能力。

Pricing: Input 24 credits / 1M tokens (≈ $0.12), Cached Input 0.5 credits / 1M tokens (≈ $0.0025), Output 95 credits / 1M tokens (≈ $0.475). High-tier top-ups (+10% bonus) bring effective pricing down to ~10% off the above rates.
deepseek-v4-1-flash

Automatically append previous messages to maintain multi-turn context. May increase token usage.

Function calling
Thinking process
Reasoning effort
Stream Response

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Complete guide to using deepseek-v4-1-flash

DeepSeek V4.1 Flash API:快速高效的多模态推理

Original image
DeepSeek V4.1 Flash API:高效非对称计算架构
DeepSeek V4.1 Flash API:原生视觉理解能力
DeepSeek 4.1 Flash API 将上下文扩展至 100 万 Tokens
压缩 KV Cache 让 DeepSeek API 工作负载更高效
专为更高吞吐量打造,DeepSeek-V4.1-Flash API 契合智能体(Agent)工作负载
基准测试DeepSeek-V4.1-FlashDeepSeek V4-Pro 0813DeepSeek V4-Flash 0731GLM 5.3Kimi K3GPT 5.6-SolClaude Opus 5
GPQA Diamond90.992.489.988.192.994.193.4
HLE36.8 (39.1*)42.7*37.8*42.0*43.544.556.3
Codeforces (Rating)347133483289————
MathArena Apex65.665.358.6—65.6——
Terminal-Bench 2.190.687.982.788.288.388.889.1
Terminal-Bench 3.030.011.87.628.317.734.443.3
Terminal-Bench 4.031.212.47.037.912.639.951.8
DeepSWE v1.174.262.754.466.967.573.074.0
ProgramBench20.315.5—19.017.523.037.0
NL2Repo-Bench65.461.554.258.058.056.875.3
CyberGym88.183.376.784.580.084.5—
SEC-Bench Pro62.856.430.9——74.3—
ExploitGym15.35.41.815.0—33.722.1
HLE (w/tools)63.960.051.562.559.8—63.6
Automation-Bench54.843.237.748.846.745.850.3
Agents' Last Exam31.825.725.228.527.626.728.6
Chartography (w/tools)78.9———68.179.984.0
BabyVision (w/tools)89.6———85.788.994.1
ZeroBench-main (w/tools)49.0———41.053.052.0
Note* Denotes the text-only subset of HLE.
使用 DeepSeek V4.1 Flash API 构建编程助手
使用 DeepSeek V4.1 Flash API 构建 AI 智能体
使用 DeepSeek 4.1 Flash API 分析视觉输入
使用 DeepSeek API 处理长上下文工作流

Kie.ai offers cost-effective DeepSeek-V4.1-Flash API Pricing for developers who want to control model costs while scaling real applications. Whether you are testing early ideas or handling larger workloads, the pricing structure is designed to make ongoing API usage more manageable.

Detailed DeepSeek-V4.1-Flash API documentation helps developers move from setup to integration with less friction. You can find the information needed for authentication, request configuration, supported inputs, response handling, and practical implementation in one place.

When integration or usage issues come up, Kie.ai provides 24/7 service support for DeepSeek 4.1 Flash API users. Continuous assistance can help reduce delays during testing, deployment, and ongoing application development.

Kie.ai also provides access to other popular model APIs alongside DeepSeek API, giving developers more flexibility when different tasks require different capabilities. You can test and integrate multiple leading models without rebuilding your entire API workflow around separate platforms.