Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3

Name: Meta Llama 3.1 405B
Brand: Meta
SKU: llama-3-1-405b

Looking for an honest Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3 comparison in 2026? We scored both ai language models on the same six-dimension framework — performance, battery, display, camera, design and value — using identical methodology, so the numbers below are directly comparable. In our overall scoring the Meta Llama 3.1 405B comes out ahead 62/100 to 57/100 — a 5-point gap. The widest gap is in display, where the Mistral AI Mistral Medium 3 pulls noticeably ahead.

GAGNANT

Llama 3.1 405B

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AI Matrix

Meta Llama 3.1 405B narrowly beats the Mistral AI Mistral Medium 3 in the ai language models category, especially in performance, scoring 62 vs 57. If you want the better overall ai language models, Meta Llama 3.1 405B is the recommended choice.

Reviewed by VersusMatrix Editorial Team|Our methodology

4 Reasons Why Meta Llama 3.1 405B Is Better

1.Better performance score: 82 vs 63
2.Higher camera score: 73 vs 68
3.Higher design rating: 44 vs 28
4.Higher overall score: 62 vs 57

Détail des scores

Meta Llama 3.1 405BMistral AI Mistral Medium 3

Benchmark (MMLU)30% weight

Meta Llama 3.1 405B Gagnant

100

Cost Efficiency20% weight

Égalité

Arena ELO20% weight

Meta Llama 3.1 405B Gagnant

Context Window10% weight

Égalité

Speed (tok/s)10% weight

Mistral AI Mistral Medium 3 Gagnant

Coding (HumanEval)10% weight

Égalité

Scores are relative within the ai language modelscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.

Meta Llama 3.1 405B

Gagnant

✓ Pros

●Higher performance score
●Better camera score
●Better design score

✗ Cons

●Lower display score

Mistral AI Mistral Medium 3

✓ Pros

●Better display score

✗ Cons

●Lower camera score
●Lower performance score

💰 Token Pricing (per 1M tokens)

Lower cost = better value. Free = open-source self-hosted.

Metric	3.1 405B	Medium 3
Input (Prompt)	✓Free/1M	$0.40/1M
Output (Completion)	✓Free/1M	$2.00/1M
Open Source	✓ Free	Proprietary

⚡ Context Window & Speed

Context Window (tokens)

3.1 405B128K

Medium 3128K

Metric	3.1 405B	Medium 3
Max Output	4,096 tok	✓8,192 tok
Speed	30 tok/s	✓170 tok/s
Time to First Token	1.5s	✓350ms
Languages	8+	✓12+

📊 Benchmark Scores

Higher is better. Industry-standard AI evaluation benchmarks.

3.1 405B

Medium 3

MMLU (Knowledge)

88.6|82.0

3.1 405B

Medium 3

HumanEval (Coding)

89.0|87.0

3.1 405B

Medium 3

MATH (Mathematics)

73.8|66.0

3.1 405B

Medium 3

GPQA (Expert Q&A)

51.1|45.0

3.1 405B

Medium 3

Chatbot Arena ELO

1270.0|1225.0

3.1 405B

Medium 3

🔧 Capabilities

Feature	3.1 405B	Medium 3
Reasoning / Chain-of-Thought	✕	✕
Vision (Image Input)	✕	✓
Audio Input	✕	✕
Video Input	✕	✕
Image/Audio Output	✕	✕
Function Calling / Tools	✓	✓
JSON Mode	✓	✓
Real-time Web Access	✕	✕
Fine-tuning Support	✓	✕
Batch API	✓	✓
Streaming	✓	✓
Open Source	✓	✕

ℹ️ Model Details

Field	3.1 405B	Medium 3
Provider	Meta	Mistral AI
Parameters	405B	22B
Knowledge Cutoff	2023-12	2025-01
License	Llama 3.1 Community	Commercial
Best For	open sourceself hostingfine tuningenterprise privacy	multilingualcodingenterprisecost efficiency

Qui devrait acheter

Buy Meta Llama 3.1 405B if…

Buy the Meta Llama 3.1 405B if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.

Buy Mistral AI Mistral Medium 3 if…

The Mistral AI Mistral Medium 3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3 — FAQ

Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3: which is better?

Is Meta Llama 3.1 405B better than Mistral AI Mistral Medium 3?

Yes, Meta Llama 3.1 405B scores higher overall (75 vs 75).

Which is cheaper, Meta Llama 3.1 405B or Mistral AI Mistral Medium 3?

Check the latest prices using the buy links above.

Who should buy the Meta Llama 3.1 405B?

Buy the Meta Llama 3.1 405B if you want the best performance in this comparison. It scores higher overall and is the recommended choice for most buyers.

Who should buy the Mistral AI Mistral Medium 3?

The Mistral AI Mistral Medium 3 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

Reviewed by VersusMatrix Editorial Team

Last updated: April 25, 2026

Editorial guidelines

Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.

Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3

Llama 3.1 405B

AI Matrix

4 Reasons Why Meta Llama 3.1 405B Is Better

Mistral Medium 3

Comparaison des spécifications

Détail des scores

Meta Llama 3.1 405B

Mistral AI Mistral Medium 3

💰 Token Pricing (per 1M tokens)

⚡ Context Window & Speed

📊 Benchmark Scores

🔧 Capabilities

ℹ️ Model Details

Qui devrait acheter

Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3 — FAQ

Meta Llama 3.1 405B vs Mistral AI Mistral Medium 3: which is better?

Is Meta Llama 3.1 405B better than Mistral AI Mistral Medium 3?

Which is cheaper, Meta Llama 3.1 405B or Mistral AI Mistral Medium 3?

Who should buy the Meta Llama 3.1 405B?

Who should buy the Mistral AI Mistral Medium 3?

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