Models / DeepSeek V4.1 FlashID: dashscope/deepseek-v4.1-flash
chat model by DeepSeek

DeepSeek V4.1 Flash

DeepSeek V4.1 Flash is a chat model made by DeepSeek, served on nRouter.

Maker

DeepSeek

Served On

Alibaba US

Specifications

Context window, ranked against other chat models

Proportional scale: 0 to 131.1K tokens. Not ranked, no published context window: glm-5.3-prime, qwen3-235b-a22b-2507, qwen3.7-max-2026-05-17, claude-opus-5-5.

Context window

—

Max output

—

Modality

chat

Vision
Function calling
System prompt

Benchmarks & Performance Rankings

Empirical intelligence benchmarks and category leaderboard placements for DeepSeek V4.1 Flash.

Core Benchmark DimensionsSource: DeepSeek Technical Report & LMSYS
MMLUKnowledge

89.8%

HumanEvalCoding

93.2%

Latency p50TTFT

160ms

p99: 480ms

ThroughputStream

145tok/s

SWE-bench: 49.5%

Recommended by nRouter Smart Routing: Massive batch data scraping, automated test harness execution, and cost-capped ETL. Key operational strength: Revolutionary multi-head latent attention delivering near-frontier intelligence at $0.11/task.

Pricing

Rates are read live

Pricing for deepseek-v4.1-flash is fetched from the live catalogue on load, so it is never served from a cache that could outlive a repricing.

Availability

Not enough data yet

We have not collected enough health probes for this model to publish an uptime or latency figure. A percentage from a handful of samples is fabricated precision, so none is shown until the sample count supports one.

How DeepSeek V4.1 Flash is billed

Billed at the provider's list price, with no per-token markup.

Exact list price
Tokens settle at the published rate of the model that served your call.
Cache discounts passed through
Provider prompt-caching discounts reach your balance with no added fee.
Cost on every response
Each response carries the x-nr-request-cost header, so you can reconcile spend per request.

More from DeepSeek

Start building with deepseek-v4.1-flash

One API key, three steps. Choose your tool to begin.

  1. Set your API key

    export NROUTER_API_KEY="<YOUR_API_KEY>"
  2. Configure Claude Code

    Choose a tool, then copy its setup from the panel.

npm install -g @anthropic-ai/claude-code
Claude Code · dashscope/deepseek-v4.1-flash
# Point Claude Code to nRouter gateway
export ANTHROPIC_BASE_URL="https://api.nrouter.ai"
export ANTHROPIC_API_KEY="$NROUTER_API_KEY"

# Launch with dashscope/deepseek-v4.1-flash
claude --model dashscope/deepseek-v4.1-flash