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Grok 4.1 Fast vs o1 mini
Comprehensive side-by-side LLM comparison
Grok 4.1 Fast offers 1.8M more tokens in context window than o1 mini. Both models have similar pricing. Grok 4.1 Fast supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
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xAI
Grok 4.1 Fast, released by xAI in November 2025, is a fast-response variant from the Grok 4 family featuring a 2M token context window designed for high-throughput applications. It omits thinking tokens for immediate responses, reducing latency while maintaining strong output quality. Grok 4.1 Fast targets production APIs, real-time assistants, and cost-sensitive applications requiring long-context understanding at high volume.
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OpenAI
OpenAI o1 mini, released by OpenAI in September 2024, is a lightweight reasoning model from the o1 family optimized for efficient STEM problem-solving at lower cost and latency. It features a 128K token context window and applies chain-of-thought reasoning specifically tuned for mathematics, science, and coding tasks. o1 mini targets use cases where rapid, cost-efficient reasoning is preferred over the broader capabilities of the full o1 model.
1 year newer
o1 mini
OpenAI
2024-09-12
Grok 4.1 Fast
xAI
2025-11-17
Pricing Comparison
Cost per million tokens (USD)
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Grok 4.1 Fast
Input:$1.00
Output:$5.00
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o1 mini
Input:$1.10
Output:$4.40($0.50 cheaper)
Performance Metrics
Context window and performance specifications
Provider Availability & Performance
Available providers and their performance metrics
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Grok 4.1 Fast
1 providers
xAI
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o1 mini
1 providers
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Grok 4.1 Fast
Avg Score:0.0%
Providers:1
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o1 mini
Avg Score:0.0%
Providers:1