Grok 4.6: xAI targets long-running AI agents
xAI ships Grok 4.6 focused on autonomous agents – matching GPT-5.6 Sol on the Intelligence Index at a fraction of many rivals’ prices.
Illustration · AI-generated (AI IN LIFE)
At a glance
- Released August 12, 2026, focused on long-running agents
- Scores 61 on the Artificial Analysis Intelligence Index – level with GPT-5.6 Sol
- Predecessor Grok 4.5 scored 56
- API pricing: $2/M input tokens, $6/M output tokens
- Available via Cursor, OpenRouter, Vercel and Cloudflare, among others
xAI released Grok 4.6 on August 12, positioning the model squarely at long-running, agentic workloads. According to xAI, Grok 4.6 scores 61 on the Artificial Analysis Intelligence Index, pulling level with OpenAI’s GPT-5.6 Sol – its predecessor Grok 4.5 scored 56.
Pricing stays unchanged at $2 per million input tokens and $6 per million output tokens; a faster variant costs double. That keeps xAI well below many frontier rivals – a core selling point in the current price war.
xAI highlights the model’s ability to self-verify during longer tasks: it is designed to check and correct its own intermediate results before moving on. xAI points to top scores on agent benchmarks and strong performance turning product ideas into working first versions.
Grok 4.6 is available immediately via the xAI API and through partners including Cursor, OpenRouter, Vercel and Cloudflare. For the first week, xAI is doubling included usage in Grok Build and Cursor – an aggressive move to pull developers away from incumbent providers.
FAQ
What’s new in Grok 4.6?
It is optimized for long-running agentic tasks and verifies its own intermediate results before continuing.
How much does Grok 4.6 cost?
$2 per million input tokens and $6 per million output tokens – a faster variant costs double.
Where is Grok 4.6 available?
Via the xAI API and partners such as Cursor, OpenRouter, Vercel and Cloudflare, with doubled included usage in Grok Build and Cursor in week one.
