xAI releases Grok 4.5

Priced at $2/M input and $6/M output, Grok 4.5 is closed-weight and will not be available in the EU until mid-July. On SWE Bench Pro it scored 64.7%, behind Fable (80.4%) and Opus 4.8 (69.2%) but ahead of GLM-5.2 (62.1%) and GPT 5.5 (58.6%).