DeepSeek V4 Flash

DeepSeek V4 Flash ultra-fast MoE coding model free tier on OpenCode Zen with sub-second latency.

Updated 8/31/20262 code examples

About the Model

Why Choose DeepSeek V4 Flash?

DeepSeek V4 Flash is DeepSeek's official 284B parameter Mixture-of-Experts (MoE) coding flagship (0731 release). Engineered specifically for sub-second latency, real-time IDE code completion, and complex multi-step Autonomous Coding Agent workflows.

Key Strengths & Highlights

284B MoE High-Throughput Architecture: Ultra-fast generation speeds with sub-second time-to-first-token (TTFT).
1M Token Context Window: Ingest massive multi-file projects, full stack traces, and complete API specifications in a single prompt.
Optimized for Coding Agents: High fidelity function calling and structured JSON output for autonomous developer workflows.
Broad Provider Availability: Accessible via NVIDIA NIM and OpenCode Zen with generous rate-limited or pay-as-you-go free allocations.

How to Access for Free (via OpenCode Zen)

限时免费试用说明

OpenCode Zen 为注册开发者提供 Pay-as-you-go 网关服务。账户完成首次充值激活后，即可免费调用 Nemotron、Big Pickle 等限时免费模型。充值金额保留在个人账户余额中，可用于其他付费模型消耗。

账户激活注意事项

OpenCode Zen 网关要求账户必须完成一次首充充值激活后，方可免费调用 Nemotron、Big Pickle 等限时免费模型。充值金额保留在个人账户余额中，可用于其他付费模型消耗。

📖View Full Guide

Try it in your browser

Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.

Code Examples

curl https://opencode.ai/zen/v1/chat/completions \
  -H "Authorization: Bearer $OPENCODE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-flash-free",
    "messages": [{"role": "user", "content": "Refactor this code to use async/await."}]
  }'

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