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GPT-4.5 vs Grok-2
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 36.4% higher average benchmark score. Grok-2 offers 3.9K more tokens in context window than GPT-4.5. Grok-2 is $213.00 cheaper per million tokens. Overall, GPT-4.5 is the stronger choice for coding tasks.
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OpenAI
GPT-4.5 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 63.1% across 27 benchmarks. It excels particularly in GSM8k (97.0%), MMLU (90.8%), CharXiv-D (90.0%). It supports a 132K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
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xAI
Grok-2 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 76.5% across 8 benchmarks. It excels particularly in DocVQA (93.6%), HumanEval (88.4%), MMLU (87.5%). It supports a 136K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents xAI's latest advancement in AI technology.
6 months newer
Grok-2
xAI
2024-08-13
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
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GPT-4.5
Input:$75.00
Output:$150.00
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Grok-2
Input:$2.00
Output:$10.00($213.00 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 30 common benchmarks
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GPT-4.5
Average Score:56.8%(+36.4%)
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Grok-2
Average Score:20.4%
Provider Availability & Performance
Available providers and their performance metrics
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GPT-4.5
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
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Grok-2
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GPT-4.5
Avg Score:56.8%(+36.4%)
Providers:1
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Grok-2
Avg Score:20.4%
Providers:1