LLM Perks

DeepSeek V4 Flash

Free right now Frontier
ReasoningCodingTool useLong contextOpen weights

DeepSeek V4 Flash is a language model from DeepSeek. It is currently free at 1 provider with up to 1M tokens of context. The model supports step-by-step reasoning, is suited to coding, supports tool calling. Its weights are open, so it can also run locally.

Developer
DeepSeek
Context
1M tokens
Type
Text
License
Open weights

Where to use DeepSeek V4 Flash for free

Each row is a separate free endpoint with its own limits.

ProviderContextLimitCard
OrcaRouter
deepseek/deepseek-v4-flash-free
— Free tier — Open

Quick start

curl https://api.orcarouter.ai/v1/chat/completions \
  -H "Authorization: Bearer $ORCAROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek/deepseek-v4-flash-free",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Example for OrcaRouter. Any OpenAI-compatible client works: Cursor, Cline, OpenCode, Open WebUI.

Benchmarks

Intelligence Index
34.3
GPQA Diamond
90.8%
Humanity's Last Exam
38.6%
Long context (LCR)
79.7%

Source: Artificial Analysis · DeepSeek V4 Flash 0731 (Reasoning, Max Effort)

Similar free models

FAQ

Is DeepSeek V4 Flash free?

Yes. As of October 31, 2026, DeepSeek V4 Flash is free at OrcaRouter. Each provider has its own limits — see the table above.

What is the context window of DeepSeek V4 Flash?

The largest context among free routes is 1,000,000 tokens. Some providers cap it lower.

How do I call DeepSeek V4 Flash via API?

Use any OpenAI-compatible client with base URL https://api.orcarouter.ai/v1, model ID deepseek/deepseek-v4-flash-free, and a OrcaRouter key.

How good is DeepSeek V4 Flash?

Artificial Analysis Intelligence Index: 34.3, GPQA Diamond: 91%. For comparison, the strongest free model in the catalog right now is GLM 5.3 Flash.

Is DeepSeek V4 Flash open-weight?

Yes, the weights are published — you can download and run it locally, for example with Ollama or LM Studio.