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Grok-4 vs o3-pro
Comprehensive side-by-side LLM comparison
o3-pro offers 36.0K more tokens in context window than Grok-4. Grok-4 is $82.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
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xAI
Grok-4 is a multimodal language model developed by xAI. It achieves strong performance with an average score of 63.1% across 7 benchmarks. It excels particularly in AIME 2025 (91.7%), HMMT25 (90.0%), GPQA (87.5%). It supports a 264K 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 xAI's latest advancement in AI technology.
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OpenAI
o3-pro is a multimodal language model developed by OpenAI. It supports a 300K 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.
29 days newer
o3-pro
OpenAI
2025-06-10
Grok-4
xAI
2025-07-09
Pricing Comparison
Cost per million tokens (USD)
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Grok-4
Input:$3.00
Output:$15.00($82.00 cheaper)
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o3-pro
Input:$20.00
Output:$80.00
Performance Metrics
Context window and performance specifications
Average performance across 7 common benchmarks
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Grok-4
Average Score:63.1%(+63.1%)
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o3-pro
Average Score:0.0%
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Knowledge Cutoff
Training data recency comparison
o3-pro
2024-05-31
Grok-4
2024-12-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Grok-4
2 providers
xAI
Throughput: 100 tok/s
Latency: 0.7ms
ZeroEval
Throughput: 100 tok/s
Latency: 0.7ms
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Grok-4
Avg Score:63.1%(+63.1%)
Providers:2
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o3-pro
Avg Score:0.0%
Providers:1