DeepSeek V4 Pro Tested: Strong Specs, Uneven Coding Results

Описание: DeepSeek V4 Pro has huge open-weight specs, but the coding evidence is more useful than the hype.
This breakdown looks at official V4 details, independent evaluations, and our local LLMBench result.

DeepSeek V4 Pro brings a 1M-token context window, open-weight MIT-licensed repository assets, first-party API access, and three reasoning modes. The interesting part is not the headline spec sheet. It is whether developers should put it into coding agents, long-context review workflows, or cost-sensitive API stacks.

In this video, we look at:
What DeepSeek says shipped in the V4 family
The architecture and API details that matter for developers
Pricing caveats around the current V4 Pro discount snapshot
CAISI and Artificial Analysis evaluation signals
Our local LLMBench coding-suite result: 1410/2001, or 70.46%, across 21 coding cases
Why the timeout and partial failures matter for real coding agents

Benchmark note: the LLMBench score is one local coding suite, not a universal model ranking. It does not prove broad superiority over GPT, Claude, Gemini, Kimi, Qwen, or any other model. The useful takeaway is narrower: V4 Pro looks strong enough to test seriously, and uneven enough to keep behind your own eval gate.

Chapters:
00:00 DeepSeek V4 Pro in one sentence
00:16 The practical developer question
00:45 What DeepSeek actually shipped
01:14 Architecture and 1M context
02:21 Pricing and deployment tradeoffs
03:19 CAISI and Artificial Analysis signals
04:31 Local coding benchmark results
05:11 What the failures mean
05:40 Where V4 Pro fits
06:13 Final verdict
06:53 Closing thought

Sources and references:
DeepSeek Transparency Center - https://www.deepseek.com/en/transpare...
DeepSeek V4 Model Card - https://fe-static.deepseek.com/chat/t...
DeepSeek V4 Pro on Hugging Face - https://huggingface.co/deepseek-ai/De...
DeepSeek API Models & Pricing - https://api-docs.deepseek.com/quick_s...
DeepSeek Reasoning Model docs - https://api-docs.deepseek.com/guides/...
DeepSeek Function Calling docs - https://api-docs.deepseek.com/guides/...
NIST CAISI evaluation - https://www.nist.gov/news-events/news...
Artificial Analysis on DeepSeek V4 Pro and V4 Flash - https://artificialanalysis.ai/article...
Reuters via Investing.com on DeepSeek V4 pricing - https://www.investing.com/news/stock-...
Associated Press via TechXplore on DeepSeek V4 - https://techxplore.com/news/2026-04-d...
Local benchmark evidence: BENCHMARKS/deepseek-deepseek-v4-pro-report.md, shown in the video and used only for the exact local coding-suite result.

If you build coding agents or long-context AI tools, test models on solved tasks, tool behavior, timeouts, and total cost per correct result. Token price alone is not the verdict.

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