Sunday, 21 September, 2025
xAI Launches Grok 4 Fast: A Cost-Effective, High-Performance AI Model
Elon Musk's xAI has introduced Grok 4 Fast, an AI model designed to handle both reasoning and non-reasoning tasks efficiently. It uses 40% fewer tokens than its predecessor, Grok 4, without compromising accuracy. The model boasts a 2 million token context window and performs well on benchmarks like GPQA Diamond (85.7%), AIME 2025 (92%), and HMMT 2025 (93.3%). Priced at $0.20 per million input tokens, Grok 4 Fast offers up to 98% cost savings compared to Grok 4.
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