OpenAI GPT-4.5 vs Mistral AI Mistral Large 3

Name: OpenAI GPT-4.5
Brand: OpenAI
SKU: gpt-4-5

Looking for an honest OpenAI GPT-4.5 vs Mistral AI Mistral Large 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 Mistral AI Mistral Large 3 comes out ahead 51/100 to 71/100 — a 20-point gap. The widest gap is in camera quality, where the Mistral AI Mistral Large 3 pulls noticeably ahead.

OpenAI

GPT-4.5

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AI Matrix

Mistral AI Mistral Large 3 clearly outperforms the OpenAI GPT-4.5 in the ai language models category, especially in value, scoring 71 vs 51. If you want the better overall ai language models, Mistral AI Mistral Large 3 is the recommended choice.

Reviewed by VersusMatrix Editorial Team|Our methodology

4 Reasons Why Mistral AI Mistral Large 3 Is Better

1.Higher camera score: 83 vs 70
2.Better display rating: 21 vs 11
3.Better value score: 90 vs 0
4.Higher overall score: 71 vs 51

Desglose de Puntajes

OpenAI GPT-4.5Mistral AI Mistral Large 3

Benchmark (MMLU)30% weight

Empate

Cost Efficiency20% weight

Mistral AI Mistral Large 3 Ganador

Arena ELO20% weight

Empate

Context Window10% weight

Empate

Speed (tok/s)10% weight

Mistral AI Mistral Large 3 Ganador

Coding (HumanEval)10% weight

Mistral AI Mistral Large 3 Ganador

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.

OpenAI GPT-4.5

✓ Pros

●Better design score

✗ Cons

●Higher price relative to value
●Lower display score
●Lower camera score

Mistral AI Mistral Large 3

Ganador

✓ Pros

●Better display score
●Better camera score
●Better value for money

💰 Token Pricing (per 1M tokens)

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

Metric	OpenAI GPT-4.5	Large 3
Input (Prompt)	$75.00/1M	✓$2.00/1M
Output (Completion)	$150.00/1M	✓$6.00/1M
Open Source	Proprietary	Proprietary

⚡ Context Window & Speed

Context Window (tokens)

OpenAI GPT-4.5128K

Large 3128K

Metric	OpenAI GPT-4.5	Large 3
Max Output	✓16,384 tok	8,192 tok
Speed	50 tok/s	✓80 tok/s
Time to First Token	900ms	✓400ms
Languages	50+	✓80+

📊 Benchmark Scores

Higher is better. Industry-standard AI evaluation benchmarks.

OpenAI GPT-4.5

Large 3

MMLU (Knowledge)

90.0|91.0

OpenAI GPT-4.5

Large 3

HumanEval (Coding)

88.0|93.0

OpenAI GPT-4.5

Large 3

MATH (Mathematics)

78.0|85.0

OpenAI GPT-4.5

Large 3

GPQA (Expert Q&A)

72.0|83.0

OpenAI GPT-4.5

Large 3

Chatbot Arena ELO

1370.0|1355.0

OpenAI GPT-4.5

Large 3

🔧 Capabilities

Feature	OpenAI GPT-4.5	Large 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	OpenAI GPT-4.5	Large 3
Provider	OpenAI	Mistral AI
Knowledge Cutoff	2024-09	2025-03
Best For	creative writingemotional intelligenceconversationnuanced tasks	multilingualcodingenterprisereasoning

Quién Debería Comprar

Buy OpenAI GPT-4.5 if…

The OpenAI GPT-4.5 is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

Buy Mistral AI Mistral Large 3 if…

Buy the Mistral AI Mistral Large 3 if you want the best camera quality in this comparison. It scores higher overall and is the recommended choice for most buyers.