Grok 4.5 Benchmark Results (artificialanalysis.ai)

The recent launch of Grok 4.5 (high), a proprietary AI model developed by SpaceXAI, represents a significant advancement in the AI/ML landscape. Released in July 2026, Grok 4.5 has achieved a score of 54 on the Artificial Analysis Intelligence Index, markedly above the average score of 29 for comparable models. This positions it as a competitive player, particularly in terms of reasoning capabilities, as it employs extended chain-of-thought reasoning to tackle complex queries. Notably, the model features a 500k token context window and supports both text and image inputs, with a generation speed of 87 tokens per second, outpacing many peers. While Grok 4.5's pricing is slightly above average at $2.00 per million input tokens and $6.00 per million output tokens, its performance justifies the cost with efficient token usage and concise outputs. The model generated 60 million tokens in evaluations, indicating strong performance across diverse tasks. With its unique multimodal capabilities and advanced reasoning, Grok 4.5 is poised to enhance real-world applications ranging from coding tasks to visual analysis, solidifying its significance within the evolving AI ecosystem.