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Grok 3 mini vs o3 Pro
Comprehensive side-by-side LLM comparison
o3 Pro offers 152.5K more tokens in context window than Grok 3 mini. Grok 3 mini is $99.20 cheaper per million tokens. o3 Pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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xAI
Grok 3 mini, released by xAI alongside Grok 3 in February 2025, is a compact reasoning model from the Grok 3 family featuring RL-enhanced Think mode for extended chain-of-thought processing. It features a 131K token context window and targets STEM tasks, mathematics, and coding applications where cost-efficient reasoning with configurable depth is required.
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OpenAI
OpenAI o3-pro, released by OpenAI in June 2025, is an extended reasoning model from the o3 family that applies more compute per response to deliver deeper, more thorough answers on complex problems. It features a 200K token context window, 100K maximum output tokens, and vision capabilities. o3-pro targets research-grade reasoning tasks, extended coding sessions, and applications where accuracy on difficult problems justifies higher inference cost and latency.
3 months newer
Grok 3 mini
xAI
2025-02-17
o3 Pro
OpenAI
2025-06-10
Pricing Comparison
Cost per million tokens (USD)
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Grok 3 mini
Input:$0.30
Output:$0.50($99.20 cheaper)
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o3 Pro
Input:$20.00
Output:$80.00
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Grok 3 mini
1 providers
xAI
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o3 Pro
1 providers
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Grok 3 mini
Avg Score:0.0%
Providers:1
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o3 Pro
Avg Score:0.0%
Providers:1