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DeepSeek-V4-Pro vs Qwen3.6 Plus

DeepSeek · released

Wins 6 of 7 areas

Coding · Agents · Reasoning · Facts · Math · Following instructions

Alibaba · released

Wins 1 of 7 areas

Long documents

DeepSeek-V4-Pro is the stronger all-rounder.Qwen3.6 Plus is better at long documents.

Scores updated · 51 tests both models report · How we compare

Where each one wins

Tests won in each of the seven areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.

Long documents rests on a single test.

What it costs

Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.

DeepSeek-V4-Pro$0.43 to read · $0.87 to write$1.30Price from Artificial Analysis
Qwen3.6 Plus$0.50 to read · $3.00 to write$3.50Price from Alibaba's own price page

DeepSeek-V4-Pro costs 63% less for the same work.

The biggest differences

The three tests each model wins by the widest margin. Scores are out of 100.

Where DeepSeek-V4-Pro pulls ahead

  • Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+16.6points aheadDeepSeek-V4-Pro43Qwen3.6 Plus26.4
  • Code for real scientific research problemsSciCode+10.1points aheadDeepSeek-V4-Pro50.8Qwen3.6 Plus40.7
  • Research-level physics problemsCritPt+10points aheadDeepSeek-V4-Pro12.9Qwen3.6 Plus2.9

Where Qwen3.6 Plus pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+59.5points aheadQwen3.6 Plus65.4DeepSeek-V4-Pro5.9
  • Programming problems, refreshed regularlyLiveBench · Coding+8.2points aheadQwen3.6 Plus78.2DeepSeek-V4-Pro70
  • Reasons across sets of long documentsAA-LCR+3.6points aheadQwen3.6 Plus78.3DeepSeek-V4-Pro74.7

Every test, side by side

All 51 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingDeepSeek-V4-Pro

Full coding ranking

AgentsDeepSeek-V4-Pro

Full agents ranking

ReasoningDeepSeek-V4-Pro

Full reasoning ranking

FactsDeepSeek-V4-Pro

Full facts ranking

MathDeepSeek-V4-Pro

Full math ranking

Long documentsQwen3.6 Plus
  • AA-LCRQwen3.6 Plus by 3.674.778.3+3.6

Full long documents ranking

Following instructionsDeepSeek-V4-Pro

Full following instructions ranking

Other results23 tests, not counted

Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.

Questions people ask

Which is better, DeepSeek-V4-Pro or Qwen3.6 Plus?

DeepSeek-V4-Pro wins six of the seven areas where both have results: coding, agents, reasoning, facts, math and following instructions. Qwen3.6 Plus wins long documents.

Which is better for coding?

DeepSeek-V4-Pro. It wins 7 of the 10 coding tests both models report; Qwen3.6 Plus wins 2, and 1 is a tie.

Which is cheaper?

DeepSeek-V4-Pro costs $0.43 per million input tokens and $0.87 per million output tokens; Qwen3.6 Plus costs $0.50 and $3.00. That makes DeepSeek-V4-Pro about 63% cheaper for the same work.

How do you compare the two?

We use the 51 benchmark tests both models have published scores on. The verdict counts the 28 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 23 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.

Compare DeepSeek-V4-Pro with

DeepSeek

Across the field

Compare Qwen3.6 Plus with

Alibaba

Across the field

All comparisons