+
+
+
+
+
+
+
+
VS
VS
VS
VS
VS
VS
GPT-4.5 vs Grok-3 Mini
Comprehensive side-by-side LLM comparison
GPT-4.5 leads with 46.7% higher average benchmark score. Grok-3 Mini offers 3.9K more tokens in context window than GPT-4.5. Grok-3 Mini is $224.20 cheaper per million tokens. Overall, GPT-4.5 is the stronger choice for coding tasks.
+
+
+
+
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.
+
+
+
+
xAI
Grok-3 Mini is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 87.8% across 4 benchmarks. It excels particularly in AIME 2024 (95.8%), AIME 2025 (90.8%), GPQA (84.0%). 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 2025, it represents xAI's latest advancement in AI technology.
10 days newer
Grok-3 Mini
xAI
2025-02-17
GPT-4.5
OpenAI
2025-02-27
Pricing Comparison
Cost per million tokens (USD)
+
+
+
+
GPT-4.5
Input:$75.00
Output:$150.00
+
+
+
+
Grok-3 Mini
Input:$0.30
Output:$0.50($224.20 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 29 common benchmarks
+
+
+
+
GPT-4.5
Average Score:58.8%(+46.7%)
+
+
+
+
Grok-3 Mini
Average Score:12.1%
+
+
+
+
Knowledge Cutoff
Training data recency comparison
Grok-3 Mini
2024-11-17
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
+
+
+
+
GPT-4.5
1 providers
OpenAI
Throughput: 50 tok/s
Latency: 20ms
+
+
+
+
Grok-3 Mini
+
+
+
+
GPT-4.5
Avg Score:58.8%(+46.7%)
Providers:1
+
+
+
+
Grok-3 Mini
Avg Score:12.1%
Providers:1