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VECTOR WIREAI INTELLIGENCE
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Llama 3 Instruct 8B vs Qwen2.5 Instruct 72B

Meta · released

Wins 0 of 5 areas

—

Alibaba · released

Wins 4 of 5 areas

Coding · Facts · Long documents · Following instructions

Qwen2.5 Instruct 72B is the stronger all-rounder.Llama 3 Instruct 8B is cheaper.

Scores updated · 36 tests both models report · How we compare

Where each one wins

Tests won in each of the five 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.

Llama 3 Instruct 8B$0.04 to read · $0.14 to write$0.19Price from Artificial Analysis
Qwen2.5 Instruct 72B$0.47 to read · $0.49 to write$0.97Price from Artificial Analysis

Llama 3 Instruct 8B costs 80% 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 Qwen2.5 Instruct 72B pulls ahead

  • Graduate-level biology, physics and chemistry questionsGPQA Diamond+19.5points aheadQwen2.5 Instruct 72B49.1Llama 3 Instruct 8B29.6
  • Code for real scientific research problemsSciCode+14.8points aheadQwen2.5 Instruct 72B26.7Llama 3 Instruct 8B11.9
  • Follows unfamiliar, precisely checkable instructionsIFBench+12.3points aheadQwen2.5 Instruct 72B36.9Llama 3 Instruct 8B24.6

Where Llama 3 Instruct 8B pulls ahead

  • Very hard expert questions across many subjectsHumanity's Last Exam+1.5points aheadLlama 3 Instruct 8B5.1Qwen2.5 Instruct 72B3.6

Every test, side by side

All 36 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingQwen2.5 Instruct 72B

Full coding ranking

ReasoningEven

Full reasoning ranking

FactsQwen2.5 Instruct 72B

Full facts ranking

Long documentsQwen2.5 Instruct 72B
  • AA-LCRQwen2.5 Instruct 72B by 20020+20

Full long documents ranking

Following instructionsQwen2.5 Instruct 72B
  • IFBenchQwen2.5 Instruct 72B by 12.324.636.9+12.3

Full following instructions ranking

Other results27 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, Llama 3 Instruct 8B or Qwen2.5 Instruct 72B?

Qwen2.5 Instruct 72B wins four of the five areas where both have results: coding, facts, long documents and following instructions. Llama 3 Instruct 8B wins none, but costs 80% less. They are level on reasoning.

Which is better for coding?

Qwen2.5 Instruct 72B. It wins 2 of the 2 coding tests both models report; Llama 3 Instruct 8B wins none.

Which is cheaper?

Llama 3 Instruct 8B costs $0.04 per million input tokens and $0.14 per million output tokens; Qwen2.5 Instruct 72B costs $0.47 and $0.49. That makes Llama 3 Instruct 8B about 80% cheaper for the same work.

How do you compare the two?

We use the 36 benchmark tests both models have published scores on. The verdict counts the 9 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 27 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 Qwen2.5 Instruct 72B with

Alibaba

Across the field

All comparisons