Grok 4.5
SpaceXAI's smartest model built for coding, agentic tasks, and knowledge work.
Grok 4.5 is SpaceXAI's frontier model release for coding, agentic software engineering, and knowledge-work tasks. Official docs list model name `grok-4.5`, multimodal input support as text and image-to-text, and a 500,000-token context window.
Pricing
Model Intelligence
Recent stories
Devin exposed routers such as Fusion, claiming frontier performance at 35% lower cost, while Databricks argued for smart routing in agent harnesses. New charts put Grok 4.5 and Muse Spark 1.1 near the coding-cost frontier.
Perplexity added Grok 4.5 as an orchestrator model in Computer for Pro, Max, and Enterprise users. Perplexity reported a WANDR score of 0.328 at $4.76 per trial, while outside security-review and canvas-task tests put it close to GPT-5.6 Sol on cost or token use.
Genspark and OpenClaw added Grok 4.5 after xAI's launch, extending the model into more coding-agent workflows. Follow-up evidence covered AA-Briefcase and Terminal-Bench results, a Composio credential-audit run, and SuperGrok usage-meter reports.
SpaceXAI launched Grok 4.5 in Cursor and several agent tools with $2/M input and $6/M output pricing. Early evals place it near frontier coding models, with 51% on AutomationBench-AA.