DeepSeek V4 Flash (free)
Released by DeepSeek in 2026, DeepSeek V4 Flash (free) is an chat model. DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...
by DeepSeek · 256K token context window
Best for
- low-latency chat and routing
- request routing and triage
- text classification
Ways to use DeepSeek V4 Flash (free) in osFoundry
Connect with your own key (BYOK)
Open the key dialog and paste your DeepSeek API key. osFoundry discovers DeepSeek V4 Flash (free) automatically — assign it to a Maestro role (router, direct, orchestrator, or fallback) in the Pipeline tab and it is live in every chat. Your key, your provider account — no token markup.
Use it in a Room App
Room Apps declare AI features in their manifest, then call them with invokeAI:
import { invokeAI } from '@osfoundry/app-sdk'
// 'summarize' is an AI feature declared in your app manifest.
const result = await invokeAI('summarize', userText)
Call it from your own apps
Once a model is wired into your workspace you can host it as an API and reach it from your own services, scripts, or CI — outside osFoundry.
Run DeepSeek V4 Flash (free) yourself
DeepSeek V4 Flash (free) is also available as open weights — self-host it for full data control and no per-token cost. See that page for GPU requirements and a cost comparison against API pricing.
DeepSeek V4 Flash (free) vs similar models
Licence
Hosted — usage subject to provider terms — Hosted-only model — usage governed by the provider's API terms. Bring your own provider key.
No weights distributed; usage subject to provider terms.
Frequently asked about DeepSeek V4 Flash (free)
How much does DeepSeek V4 Flash (free) cost?
DeepSeek V4 Flash (free) is metered at Free for input, and Free for output. Bring your own DeepSeek API key — osFoundry passes through provider pricing without markup.
Can I use DeepSeek V4 Flash (free) commercially?
Commercial use is allowed with conditions. Hosted-only model — usage governed by the provider's API terms. Bring your own provider key. No weights distributed; usage subject to provider terms.
What is the context window of DeepSeek V4 Flash (free)?
DeepSeek V4 Flash (free) supports a 256K token context window.
Can I run DeepSeek V4 Flash (free) locally?
No — DeepSeek V4 Flash (free) is hosted only and accessed via the DeepSeek API. An open-weights equivalent is available to self-host — see the cross-link above.
What is DeepSeek V4 Flash (free) best at?
DeepSeek V4 Flash (free) is well-suited to low-latency chat and routing, request routing and triage, text classification.
How do I use DeepSeek V4 Flash (free) in osFoundry?
Paste your DeepSeek API key in the key dialog (or deploy the open weights for self-hostable models), assign DeepSeek V4 Flash (free) to a Maestro role in the Pipeline tab, then use it in chat, Room Apps via invokeAI, or your own apps.
Published by DeepSeek on April 24, 2026. Source: https://openrouter.ai/deepseek/deepseek-v4-flash:free