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GPT-5 mini vs Grok-3
Comprehensive side-by-side LLM comparison
Grok-3 leads with 16.1% higher average benchmark score. GPT-5 mini offers 392.0K more tokens in context window than Grok-3. GPT-5 mini is $15.75 cheaper per million tokens. Overall, Grok-3 is the stronger choice for coding tasks.
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OpenAI
GPT-5 mini is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 60.0% across 5 benchmarks. It excels particularly in AIME 2025 (91.1%), HMMT 2025 (87.8%), GPQA (82.3%). It supports a 528K token context window for handling large documents. The model is available through 2 API providers. 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-3 is a multimodal language model developed by xAI. This model demonstrates exceptional performance with an average score of 85.7% across 5 benchmarks. It excels particularly in AIME 2025 (93.3%), AIME 2024 (93.3%), GPQA (84.6%). 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.
5 months newer
Grok-3
xAI
2025-02-17
GPT-5 mini
OpenAI
2025-08-07
Pricing Comparison
Cost per million tokens (USD)
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GPT-5 mini
Input:$0.25
Output:$2.00($15.75 cheaper)
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Grok-3
Input:$3.00
Output:$15.00
Performance Metrics
Context window and performance specifications
Average performance across 8 common benchmarks
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GPT-5 mini
Average Score:37.5%
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Grok-3
Average Score:53.6%(+16.1%)
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Knowledge Cutoff
Training data recency comparison
GPT-5 mini
2024-05-30
Grok-3
2024-11-17
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5 mini
2 providers
OpenAI
Throughput: 200 tok/s
Latency: 1ms
ZeroEval
Throughput: 200 tok/s
Latency: 1ms
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GPT-5 mini
Avg Score:37.5%
Providers:2
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Grok-3
Avg Score:53.6%(+16.1%)
Providers:1