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Chat with DeepSeek: DeepSeek V4 Pro

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Chat model Premium 1048576 ctx
DeepSeek: DeepSeek V4 Pro — DeepSeek: DeepSeek V4 Pro is an AI model by DeepSeek on Free.ai. It supports up to 1,048,576 tokens of context. Costs approximately 535 tokens per message. Try DeepSeek: DeepSeek V4 Pro instantly — no sign up needed. Compare it side-by-sid…
~535 tokenak/message

What is DeepSeek: DeepSeek V4 Pro?

DeepSeek: DeepSeek V4 Pro is an AI model by DeepSeek on Free.ai. It supports up to 1,048,576 tokens of context. Costs approximately 535 tokens per message. Try DeepSeek: DeepSeek V4 Pro instantly — no sign up needed. Compare it side-by-side with other models.

Why use DeepSeek: DeepSeek V4 Pro for chat?

Streaming responses

Replies stream token-by-token within ~1 second of pressing Send. No idle waiting.

Saved history

Signed-in users see every chat in /account/?tab=history with one-click share links.

Compare side by side

Send the same prompt to two models at /chat/compare/ and judge the outputs side by side.

Commercial use OK

Outputs are yours. Use them in apps, ads, docs, or anything else without attribution.

Sample prompts

Plan a 7-day Tokyo trip with kids, balancing food, parks, and museums
Draft a cold-outreach email to a VC introducing my dev-tools startup
Compare three approaches to rate-limiting an HTTP API and recommend one
Write a 600-word blog intro about why teams should self-host their AI
Outline a 30-minute presentation on quantum computing for a non-technical audience

Pricing

Premium chat. Cost is per message — typically ~535 tokens. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free signups get 10,000 tokens to try.

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DeepSeek: DeepSeek V4 Pro is an AI model by DeepSeek on Free.ai. It supports up to 1,048,576 tokens of context. Costs approximately 535 tokens per message....

Nola erabili Chat with DeepSeek: DeepSeek V4 Pro

1
Sartu zure sarrera

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2
Egin klik sortzean

Gure AI-ak zure eskaera segundotan prozesatzen du, kode irekiko eredurik onenak erabiliz.

3
Deskargatu eta partekatu

Deskargatu, kopiatu edo partekatu zure emaitza. Dohainik erabilpen pertsonal eta komertzialerako.

Erabili tresna hau API bidez

Automatizatu tresna hau zure kodetik. OpenAI-rekin bateragarria den REST amaiera-puntua, eramantzailearen tokenaren autentifikazioa, ez da SDK gehigarririk behar. Tokenen kostuak web-interfazearekin bat datoz.

API dokumentazioa Eskuratu API gakoa 
curl -X POST https://api.free.ai/v1/chat/ \
  -H "Authorization: Bearer sk-free-..." \
  -H "Content-Type: application/json" \
  -d '{"model": "qwen7b", "messages": [{"role": "user", "content": "Hello"}]}'

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Chat with DeepSeek: DeepSeek V4 Pro — FAQ

DeepSeek: DeepSeek V4 Pro is an AI model by DeepSeek on Free.ai. It supports up to 1,048,576 tokens of context. Costs approximately 535 tokens per message. Try DeepSeek: DeepSeek V4 Pro instantly — no sign up needed. Compare it side-by-side with other models.

DeepSeek: DeepSeek V4 Pro works well for general conversation, writing assistance, brainstorming, code help, and analysis. Try the sample prompts above to see its style.

About 535 tokens per average message. $1 buys 750,000 tokens, so even paid models cost cents per chat. Free accounts get 10,000 signup tokens plus a daily pool.

It depends on the task. /chat/compare/ lets you send the same prompt to DeepSeek: DeepSeek V4 Pro and any other model side-by-side — comparison is the fastest way to decide.

Yes. Outputs are yours — Free.ai does not claim rights to anything you generate.

1,048,576 tokens.

Replies stream token-by-token within ~1 second. Total response time depends on length and model size — small models stream faster, frontier models trade speed for depth.

Yes. Signed-in users see every chat in /account/?tab=history. You can also share a one-link copy of any conversation via the Share button.

Free.ai does not train models on your conversations. Self-hosted models stay on our GPUs. Premium models route to the upstream provider for inference.

Yes. POST to /v1/chat/ with model="deepseek/deepseek-v4-pro" and a messages array. Streaming SSE is supported. Full reference: /api/.

DeepSeek: DeepSeek V4 Pro is a premium model served by an external provider, so self-hosting is not available. Free.ai exposes it through token-based pricing.

Free accounts get 10,000 signup tokens plus a daily pool. When that runs out, top up starting at $1 (750K tokens) — no subscription required.

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