DeepSeek-V4.1-Flash est un modèle multimodal conçu pour une inférence plus rapide, un débit plus élevé et de meilleures performances en matière de raisonnement, de code, de compréhension visuelle et de tâches agentiques. Son architecture optimise l'efficacité tout en préservant les capacités requises pour les charges de travail complexes et multi-étapes.

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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README

Complete guide to using deepseek-v4-1-flash

API DeepSeek-V4.1-Flash pour un raisonnement multimodal rapide et efficace

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L'API DeepSeek-V4.1-Flash introduit le calcul asymétrique performant
L'API DeepSeek V4.1 Flash intègre la compréhension visuelle native
L'API DeepSeek 4.1 Flash étend le contexte à un million de tokens
Un cache KV compressé optimise l'efficacité des charges de travail de l'API DeepSeek
Conçue pour un débit supérieur, l'API DeepSeek-V4.1-Flash convient aux charges de travail agentiques
BenchmarksDeepSeek 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.
Créez des assistants de codage avec l'API DeepSeek-V4.1-Flash
Créez des agents IA avec l'API DeepSeek V4.1 Flash
Analysez des données visuelles avec l'API DeepSeek 4.1 Flash
Gérez des workflows à contexte long avec l'API DeepSeek

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.