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VECTOR WIREAI INTELLIGENCE
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DeepSeek-V3 vs GPT-4o

DeepSeek · released

Wins 3 of 6 areas

Coding · Reasoning · Facts

OpenAI · released

Wins 1 of 6 areas

Long documents

DeepSeek-V3 wins more areas, narrowly.GPT-4o is better at long documents.

Scores updated · 72 tests both models report · How we compare

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
GPT-4o$5.00 to read · $15.00 to write$20Price from Artificial Analysis

DeepSeek-V3 costs 94% 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-V3 pulls ahead

  • Recent programming contest problemsLiveCodeBench v6+16points aheadDeepSeek-V346.9GPT-4o30.9
  • Graduate-level biology, physics and chemistry questionsGPQA Diamond+12.9points aheadDeepSeek-V365.5GPT-4o52.6
  • Fixes real GitHub issues in Python projectsSWE-bench Verified+8.8points aheadDeepSeek-V342GPT-4o33.2

Where GPT-4o pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+48points aheadGPT-4o62.1DeepSeek-V314.1
  • Reasons across sets of long documentsAA-LCR+15.3points aheadGPT-4o56DeepSeek-V340.7
  • Keeps track of context across a multi-turn chatMulti-Challenge+8.9points aheadGPT-4o40.3DeepSeek-V331.4

Every test, side by side

All 72 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingDeepSeek-V3

Full coding ranking

AgentsEven

Full agents ranking

ReasoningDeepSeek-V3

Full reasoning ranking

FactsDeepSeek-V3

Full facts ranking

Long documentsGPT-4o

Full long documents ranking

Following instructionsEven

Full following instructions ranking

Other results57 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 GPT-4o?

DeepSeek-V3 wins three of the six areas where both have results: coding, reasoning and facts. GPT-4o wins long documents. They are level on agents and following instructions.

Which is better for coding?

DeepSeek-V3. It wins 4 of the 4 coding tests both models report; GPT-4o wins none.

Which is cheaper?

DeepSeek-V3 costs $0.24 per million input tokens and $0.90 per million output tokens; GPT-4o costs $5.00 and $15.00. That makes DeepSeek-V3 about 94% cheaper for the same work.

How do you compare the two?

We use the 72 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 57 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.