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The Decoder
SpaceXAI's Grok 4.6 matches OpenAI's best model and undercuts it on price
SpaceXAI has unveiled Grok 4.6, an AI model that matches the capabilities of OpenAI's GPT-5.6, achieving a score of 61 points on the Artificial Analysis Intelligence Index. This marks a notable advancement from Grok 4.5, which had a lower performance rating. Grok 4.6 excels in executing complex agentic tasks efficiently. Importantly, its cost-effectiveness is a key selling point, priced at $2/$6 per million tokens, making it over 60% cheaper than its main competitors. This pricing structure could disrupt the market, offering a more accessible solution for users and organizations.
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Published 12 Aug 2026, 20:10 UTC1 min read
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Summary
TL;DR
- Grok 4.6 ties with OpenAI's GPT-5.6 in performance metrics.
- It performs multi-step workflows significantly faster than competitors.
- Pricing is set at $2/$6 per million tokens.
- Available through various platforms including API, Cursor, and Cloudflare.
- Launch offers double usage quota for initial users.
Interesting facts
- Grok 4.6 is the result of significant performance enhancements compared to its predecessor, Grok 4.5.
- It ranks second on the GDPval-AA v2 benchmark for real-world knowledge work.