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Grok 3 vs o3 mini
Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Grok 3 offers 716.4K more tokens in context window than o3 mini. o3 mini is $12.50 cheaper per million tokens. Grok 3 supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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xAI
Grok 3, released by xAI in February 2025, is a large language model trained on xAI's Colossus supercluster with substantially increased compute over previous generations. It features a 1M token context window, RL-enhanced Think mode for extended reasoning, and demonstrated strong results on mathematics, coding, and scientific benchmarks. Grok 3 targets complex reasoning, real-time information tasks via X platform integration, and agentic workflows via the xAI API.
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OpenAI
OpenAI o3 mini, released by OpenAI in January 2025, is a compact reasoning model from the o3 family designed for efficient, cost-effective STEM problem-solving. It features a 200K token context window and adjustable chain-of-thought effort settings, allowing developers to trade reasoning depth for speed. o3 mini targets science, mathematics, and coding applications where lower inference cost and faster response times are a priority.
17 days newer
o3 mini
OpenAI
2025-01-31
Grok 3
xAI
2025-02-17
Pricing Comparison
Cost per million tokens (USD)
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Grok 3
Input:$3.00
Output:$15.00
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o3 mini
Input:$1.10
Output:$4.40($12.50 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Grok 3
Average Score:1.3%
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o3 mini
Average Score:1.5%(+0.2%)
Performance comparison across key benchmark categories
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Grok 3
Agents1.3%
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o3 mini
Agents1.5%(+0.2%)
Provider Availability & Performance
Available providers and their performance metrics
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Grok 3
1 providers
xAI
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o3 mini
1 providers
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Grok 3
Avg Score:1.3%
Providers:1
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o3 mini
Avg Score:1.5%(+0.2%)
Providers:1