DeepSeek V4.1 Flash as a coding agent in your terminal
DeepSeek V4.1 Flash by DeepSeek, one of 250+ models you can use in Darce, the open source AI coding agent you can undo.
| Model | DeepSeek V4.1 Flash |
|---|---|
| Vendor | DeepSeek |
| Model id | deepseek/deepseek-v4.1-flash |
| Context window | 1.05M tokens |
| Price per 1M tokens | $0.30 input · $1.20 output (OpenRouter) |
| Can do | tool calling · reads images · reasoning |
| Category | Fast and cheap |
Strengths
DeepSeek's fast V4.1 model. Low cost with a 1M token context.
OpenRouter's description:
DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...
Use DeepSeek V4.1 Flash as a coding agent in your terminal
Start Darce in your project with DeepSeek V4.1 Flash:
npm install -g darce-cli
darce --model deepseek/deepseek-v4.1-flashAlready in a session? Type /model deepseek/deepseek-v4.1-flash, or open the picker with Ctrl+P. Darce then reads your code, edits files and runs commands with DeepSeek V4.1 Flash; risky commands ask first, and /undo reverses any change, including what shell commands did. No account yet? npx darce-cli lets you try it free. Which plan includes which models is on the pricing page.
Make it your default or a gear
In ~/.darcerc, set it as the starting model or add it to the gears you move between with Shift+↑ / Shift+↓ (see configuration):
{
"router": { "default": "deepseek/deepseek-v4.1-flash" },
"gears": ["qwen/qwen3-coder", "deepseek/deepseek-v4.1-flash"]
}Compare it on your own code
Benchmarks rarely match your repository. Race DeepSeek V4.1 Flash against two other models on a real task and keep the best diff:
/derby --models deepseek/deepseek-v4.1-flash,deepseek/deepseek-v4-pro,deepseek/deepseek-v3.2 fix the failing testRead more about /derby and /swarm.
Related models
- DeepSeek V4 Pro 0423 (DeepSeek): 1.05M tokens, $0.95 / $1.90 per 1M tokens
- DeepSeek V3.2 (DeepSeek): 164k tokens, $0.26 / $0.80 per 1M tokens
- Claude Haiku 5.5 (Anthropic): 1M tokens, $0.10 / $0.50 per 1M tokens
- GPT-6 Luna (OpenAI): 1.05M tokens, $0.10 / $0.50 per 1M tokens
- Gemini 3.8 Flash (Google): 1.05M tokens, $0.75 / $3.75 per 1M tokens
- Gemini 3.5 Flash Lite (Google): 1.05M tokens, $0.30 / $2.50 per 1M tokens
All models · Getting started · Claude Code alternative
Model data from OpenRouter, refreshed daily. Prices are OpenRouter's list rates and show relative cost; your Darce allowance is used in proportion to them.