Amazon Nova Pro vs OpenAI GPT-4.5

Name: Amazon Nova Pro
Brand: Amazon
SKU: amazon-nova-pro

Looking for an honest Amazon Nova Pro vs OpenAI GPT-4.5 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 Amazon Nova Pro comes out ahead 61/100 to 51/100 — a 10-point gap. The widest gap is in design and build, where the OpenAI GPT-4.5 pulls noticeably ahead.

WINNER

Amazon

Nova Pro

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AI Matrix

Amazon Nova Pro edges out the OpenAI GPT-4.5 in the ai language models category, especially in value, scoring 61 vs 51. If you want the better overall ai language models, Amazon Nova Pro is the recommended choice.

Reviewed by VersusMatrix Editorial Team|Our methodology

4 Reasons Why Amazon Nova Pro Is Better

1.Better display rating: 46 vs 11
2.Better battery score: 29 vs 12
3.Better value score: 96 vs 0
4.Higher overall score: 61 vs 51

Score Breakdown

Amazon Nova ProOpenAI GPT-4.5

Benchmark (MMLU)30% weight

OpenAI GPT-4.5 Winner

Cost Efficiency20% weight

Amazon Nova Pro Winner

Arena ELO20% weight

OpenAI GPT-4.5 Winner

Context Window10% weight

Amazon Nova Pro Winner

Speed (tok/s)10% weight

Amazon Nova Pro Winner

Coding (HumanEval)10% weight

OpenAI GPT-4.5 Winner

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.

Amazon Nova Pro

Winner

✓ Pros

●Better display score
●Better battery score
●Better value for money

✗ Cons

●Lower camera score
●Lower performance score

OpenAI GPT-4.5

✓ Pros

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

✗ Cons

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

💰 Token Pricing (per 1M tokens)

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

Metric	Nova Pro	OpenAI GPT-4.5
Input (Prompt)	✓$0.80/1M	$75.00/1M
Output (Completion)	✓$3.20/1M	$150.00/1M
Open Source	Proprietary	Proprietary

⚡ Context Window & Speed

Context Window (tokens)

Nova Pro300K

OpenAI GPT-4.5128K

Metric	Nova Pro	OpenAI GPT-4.5
Max Output	5,120 tok	✓16,384 tok
Speed	✓150 tok/s	50 tok/s
Time to First Token	✓500ms	900ms
Languages	20+	✓50+

📊 Benchmark Scores

Higher is better. Industry-standard AI evaluation benchmarks.

Nova Pro

OpenAI GPT-4.5

MMLU (Knowledge)

84.8|90.0

Nova Pro

OpenAI GPT-4.5

HumanEval (Coding)

79.0|88.0

Nova Pro

OpenAI GPT-4.5

MATH (Mathematics)

72.8|78.0

Nova Pro

OpenAI GPT-4.5

GPQA (Expert Q&A)

46.0|72.0

Nova Pro

OpenAI GPT-4.5

Chatbot Arena ELO

1261.0|1370.0

Nova Pro

OpenAI GPT-4.5

🔧 Capabilities

Feature	Nova Pro	OpenAI GPT-4.5
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	Nova Pro	OpenAI GPT-4.5
Provider	Amazon	OpenAI
Knowledge Cutoff	2024-03	2024-09
Best For	AWS ecosystemmultimodalenterprisedocument analysis	creative writingemotional intelligenceconversationnuanced tasks

Who Should Buy

Buy Amazon Nova Pro if…

Buy the Amazon Nova Pro if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.

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.