SpaceXAI's Grok 4.5 model has been released, but it did not perform well in benchmark tests, ranking below Claude Fable 5, GPT-5.5, and Opus 4.8. Despite its lower performance, Grok 4.5 is significantly more cost-effective, costing 17 times less per task than Opus 4.8. AI
IMPACT Grok 4.5's release highlights a trade-off between performance and cost, potentially influencing adoption strategies for AI models.
RANK_REASON The item discusses a new model release but focuses on its performance relative to competitors and its cost-effectiveness, positioning it as a tool rather than a frontier release.
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