OpenAI GPT-4.5 vs Mistral AI Codestral

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

Looking for an honest OpenAI GPT-4.5 vs Mistral AI Codestral 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 Codestral comes out ahead 51/100 to 55/100 — a 4-point gap. The widest gap is in design and build, where the OpenAI GPT-4.5 pulls noticeably ahead.

OpenAI

GPT-4.5

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AI Matrix

Mistral AI Codestral narrowly beats the OpenAI GPT-4.5 in the ai language models category, especially in value, scoring 55 vs 51. If you want the better overall ai language models, Mistral AI Codestral is the recommended choice.

Reviewed by VersusMatrix Editorial Team|Our methodology

5 Reasons Why Mistral AI Codestral Is Better

1.Higher camera score: 78 vs 70
2.Better display rating: 46 vs 11
3.Better battery score: 25 vs 12
4.Better value score: 98 vs 0
5.Higher overall score: 55 vs 51

Punktaufteilung

OpenAI GPT-4.5Mistral AI Codestral

Benchmark (MMLU)30% weight

OpenAI GPT-4.5 Gewinner

Cost Efficiency20% weight

Mistral AI Codestral Gewinner

Arena ELO20% weight

OpenAI GPT-4.5 Gewinner

Context Window10% weight

Mistral AI Codestral Gewinner

Speed (tok/s)10% weight

Mistral AI Codestral Gewinner

Coding (HumanEval)10% weight

Mistral AI Codestral Gewinner

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

●Higher performance score
●Better design score

✗ Cons

●Higher price relative to value
●Weaker battery score
●Lower display score

Mistral AI Codestral

Gewinner

✓ Pros

●Better display score
●Better battery score
●Better camera score

✗ Cons

●Lower performance score

💰 Token Pricing (per 1M tokens)

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

Metric	OpenAI GPT-4.5	AI Codestral
Input (Prompt)	$75.00/1M	✓$0.30/1M
Output (Completion)	$150.00/1M	✓$0.90/1M
Open Source	Proprietary	Proprietary

⚡ Context Window & Speed

Context Window (tokens)

OpenAI GPT-4.5128K

AI Codestral256K

Metric	OpenAI GPT-4.5	AI Codestral
Max Output	✓16,384 tok	8,192 tok
Speed	50 tok/s	✓150 tok/s
Time to First Token	900ms	✓300ms
Languages	50+	✓80+

📊 Benchmark Scores

Higher is better. Industry-standard AI evaluation benchmarks.

OpenAI GPT-4.5

AI Codestral

MMLU (Knowledge)

90.0|79.0

OpenAI GPT-4.5

AI Codestral

HumanEval (Coding)

88.0|91.0

OpenAI GPT-4.5

AI Codestral

MATH (Mathematics)

78.0|62.0

OpenAI GPT-4.5

AI Codestral

GPQA (Expert Q&A)

72.0|40.0

OpenAI GPT-4.5

AI Codestral

Chatbot Arena ELO

1370.0|1210.0

OpenAI GPT-4.5

AI Codestral

🔧 Capabilities

Feature	OpenAI GPT-4.5	AI Codestral
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	AI Codestral
Provider	OpenAI	Mistral AI
Parameters	—	22B
Knowledge Cutoff	2024-09	2024-06
Best For	creative writingemotional intelligenceconversationnuanced tasks	codingfill in middlecode completionIDE integration

Wer sollte kaufen

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 Codestral if…

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