SpaceXAI releases Grok 4.6 matching GPT-5.6 Sol performance at 60% lower price
SpaceXAI has released Grok 4.6, marking a significant shift in frontier AI model pricing and performance. On the Artificial Analysis Intelligence Index, Grok 4.6 scored 61 points, tying OpenAI's GPT-5.6 Sol and trailing only Anthropic's Claude Opus 5 (63) and Claude Fable 5 (62). On real-world agentic computer tasks measured by GDPval-AA v2, Grok 4.6 ranked second overall with an Elo rating of 1,753. The model completed complex multi-step workflows in an average of 53 steps, compared to 103 steps required by Claude Opus 5. Pricing remains fixed at $2 per million input tokens and $6 per million output tokens, making it over 60 percent cheaper than both Claude Opus 5 ($5/$25) and GPT-5.6 Sol ($5/$30). The model is available immediately via API, Cursor, and major cloud providers.
SpaceXAI's Grok 4.6 matches OpenAI's best model and undercuts it on price
