DeepSeek
DeepSeek V4.1 Flash
deepseek-v4.1-flash
Total Context
1M
Max Output
384K
Released
N/A
Input$0.2857 / M tokens
Output$1.1429 / M tokens
DeepSeek V4 Flash
deepseek-v4-flashDeepSeek V4 Flash keeps the V4 family’s 1M-token context window but uses a lighter MoE configuration, commonly described as 284B total parameters with 13B activated parameters. The emphasis is throughput: fast inference, lower cost per call, and production workloads that still need long-context handling. It is the better fit when the task volume is high and the workload benefits from V4-style long-context architecture without always requiring the deepest reasoning tier.
Context Window
1M tokens
Maximum Output
384K tokens
Release Date
Apr 24, 2026
Modalities
DeepSeek V4 Flash Pricing
| Input Price | Output Price | Cache Read |
|---|---|---|
| $0.2857/M | $1.1429/M | $0.0057/M |
DeepSeek V4 Flash API Capabilities
Reasoning
Supported
Tool calling
Supported
Temperature parameter
Supported
Attachments
Not supported
Knowledge Base
2025-05-01
Endpoint Protocols
Completions APIResponses API
DeepSeek V4 Flash Model Highlights
DeepSeek V4 Flash combines agentic coding, adjustable reasoning effort and efficient long-context processing for demanding development work.
Agentic Coding
Post-training strengthens performance on terminal operation, repository modification and multi-step software-engineering tasks.
Adjustable Reasoning
Low, high and max reasoning levels let developers balance deliberation depth against response time for different workloads.
Long-Context Efficiency
The V4 architecture supports million-token context processing, helping the model work across large codebases and extensive document collections.
DeepSeek V4 Flash Use Cases
DeepSeek V4 Flash is suited to repository engineering, long-document analysis and multi-step automation that combine reasoning with code execution.
Repository Engineering
Inspect dependencies across a codebase, identify affected files and implement coordinated changes for software maintenance tasks.
Long-Document Analysis
Review extensive technical specifications or document collections, connect information across sections and produce structured findings.
Multi-Step Automation
Plan and execute workflows involving terminal commands, code changes and result checks to complete bounded operational tasks.
How to Use DeepSeek V4 Flash via the TokenHub API
import OpenAI from "openai"
const client = new OpenAI({
apiKey: process.env.TOKENHUB_API_KEY,
baseURL: "https://us-api.tokenhub.com/v1",
})
const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)DeepSeek V4 Flash Benchmarks
| Index score | ||
|---|---|---|
| Artificial Analysis Intelligence Index | Artificial Analysis broad capability aggregate | 40.3 |
| Artificial Analysis Coding Index | Artificial Analysis software task aggregate | 38.7 |
| Knowledge & Reasoning | ||
| GPQA | Advanced science problem solving | 89.4% |
| HLE | Broad expert-level exam set | 32.1% |
| Coding & Engineering | ||
| SciCode | Scientific coding challenges | 44.9% |
| Terminal-Bench Hard | Hard terminal task execution | 35.6% |
| Instruction Following & Agent Tasks | ||
| IFBench | Prompt constraint adherence | 79.2% |
| AA-LCR | Long-context reasoning | 63% |
| τ²-Bench | Agent workflow tasks | 95.0% |
Metrics sourced from Artificial Analysis
DeepSeek V4 Flash Comparisons
DeepSeek V4 Flash Guides & Articles
DeepSeek V4 Flash FAQ
DeepSeek V4 Flash: capabilities, use cases, limits, and TokenHub guidance.
How is DeepSeek V4 Flash positioned?+
DeepSeek V4 Flash is a DeepSeek model for fast, efficient reasoning and agent work.
Where does DeepSeek V4 Flash add value?+
Best for latency-sensitive applications, agent workflows and high-volume requests, especially when speed and cost efficiency is the priority.
What is DeepSeek V4 Flash's practical edge?+
Key strength: a smaller design with faster, more economical inference and switchable thinking and non-thinking modes.
Which constraint matters most?+
It has less headroom on the hardest reasoning and engineering tasks. For maximum answer quality, consider DeepSeek V4 Pro.
How do I integrate DeepSeek V4 Flash safely?+
Use the exact ID shown by TokenHub; follow your account docs and verify current features.
Ready to use DeepSeek V4 Flash?
Use one API key to access DeepSeek V4 Flash and more AI models through TokenHub.
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