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DeepSeek-V3 vs Qwen3.7 Plus Preview

DeepSeek · released

Wins 0 of 6 areas

—

Alibaba · released

Wins 5 of 6 areas

Coding · Agents · Reasoning · Long documents · Following instructions

Qwen3.7 Plus Preview is the stronger all-rounder.DeepSeek-V3 is cheaper.

Scores updated · 25 tests both models report · How we compare

Where each one wins

Tests won in each of the six 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 and following instructions rest on a single test each.

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-V3$0.24 to read · $0.90 to write$1.14Price from Artificial Analysis
Qwen3.7 Plus Preview$0.40 to read · $1.60 to write$2.00Price from Alibaba's own price page

DeepSeek-V3 costs 43% less for the same work.

The biggest differences

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

Where Qwen3.7 Plus Preview pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+58.2points aheadQwen3.7 Plus Preview72.3DeepSeek-V314.1
  • Command-line tasks in a real terminalTerminal-Bench 2.1+44.1points aheadQwen3.7 Plus Preview61DeepSeek-V316.9
  • Recent programming contest problemsLiveCodeBench v6+42.7points aheadQwen3.7 Plus Preview89.6DeepSeek-V346.9

Where DeepSeek-V3 pulls ahead

Every test, side by side

All 25 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen3.7 Plus Preview

Full coding ranking

AgentsQwen3.7 Plus Preview
  • GDPValQwen3.7 Plus Preview by 13.4013.4+13.4
  • τ-Bench V3 · BankingQwen3.7 Plus Preview by 12.84.717.5+12.8
  • Terminal-Bench 4.0Qwen3.7 Plus Preview by 101+1

Full agents ranking

ReasoningQwen3.7 Plus Preview

Full reasoning ranking

FactsEven

Full facts ranking

Long documentsQwen3.7 Plus Preview
  • AA-LCRQwen3.7 Plus Preview by 32.340.773+32.3

Full long documents ranking

Following instructionsQwen3.7 Plus Preview
  • IFBenchQwen3.7 Plus Preview by 374178+37

Full following instructions ranking

Other results10 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-V3 or Qwen3.7 Plus Preview?

Qwen3.7 Plus Preview wins five of the six areas where both have results: coding, agents, reasoning, long documents and following instructions. DeepSeek-V3 wins none, but costs 43% less. They are level on facts.

Which is better for coding?

Qwen3.7 Plus Preview. It wins 5 of the 5 coding tests both models report; DeepSeek-V3 wins none.

Which is cheaper?

DeepSeek-V3 costs $0.24 per million input tokens and $0.90 per million output tokens; Qwen3.7 Plus Preview costs $0.40 and $1.60. That makes DeepSeek-V3 about 43% cheaper for the same work.

How do you compare the two?

We use the 25 benchmark tests both models have published scores on. The verdict counts the 15 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 10 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-V3 with

DeepSeek

Across the field

All comparisons