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VECTOR WIREAI INTELLIGENCE
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Llama 3.1 8B Instruct vs Mistral Large 2

Meta · released

Wins 1 of 6 areas

Long documents

Mistral · released

Wins 2 of 6 areas

Coding · Following instructions

Mistral Large 2 wins more areas, narrowly.Llama 3.1 8B Instruct is cheaper and better at long documents.

Scores updated · 22 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.

Agents, 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 3.1 8B Instruct$0.02 to read · $0.05 to write$0.07Price from Artificial Analysis
Mistral Large 2$2.00 to read · $6.00 to write$8.00Price from Artificial Analysis

Llama 3.1 8B Instruct costs 99% less for the same work.

The biggest differences

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

Where Mistral Large 2 pulls ahead

  • Graduate-level biology, physics and chemistry questionsGPQA Diamond+22.7points aheadMistral Large 248.6Llama 3.1 8B Instruct25.9
  • Code for real scientific research problemsSciCode+16points aheadMistral Large 229.2Llama 3.1 8B Instruct13.2
  • Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+11.4points aheadMistral Large 219.9Llama 3.1 8B Instruct8.5

Where Llama 3.1 8B Instruct pulls ahead

  • Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+24.7points aheadLlama 3.1 8B Instruct57Mistral Large 232.3
  • Reasons across sets of long documentsAA-LCR+16points aheadLlama 3.1 8B Instruct18Mistral Large 22
  • Very hard expert questions across many subjectsHumanity's Last Exam+2points aheadLlama 3.1 8B Instruct5.3Mistral Large 23.3

Every test, side by side

All 22 tests both models report. The winning score is in its model's colour; marks a score checked independently.

CodingMistral Large 2

Full coding ranking

AgentsEven

Full agents ranking

ReasoningEven

Full reasoning ranking

FactsEven

Full facts ranking

Long documentsLlama 3.1 8B Instruct
  • AA-LCRLlama 3.1 8B Instruct by 16182+16

Full long documents ranking

Following instructionsMistral Large 2
  • IFBenchMistral Large 2 by 2.628.631.2+2.6

Full following instructions ranking

Other results12 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 3.1 8B Instruct or Mistral Large 2?

Mistral Large 2 wins two of the six areas where both have results: coding and following instructions. Llama 3.1 8B Instruct wins long documents, and costs 99% less. They are level on agents, reasoning and facts.

Which is better for coding?

Mistral Large 2. It wins 2 of the 2 coding tests both models report; Llama 3.1 8B Instruct wins none.

Which is cheaper?

Llama 3.1 8B Instruct costs $0.02 per million input tokens and $0.05 per million output tokens; Mistral Large 2 costs $2.00 and $6.00. That makes Llama 3.1 8B Instruct about 99% cheaper for the same work.

How do you compare the two?

We use the 22 benchmark tests both models have published scores on. The verdict counts the 10 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 12 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.