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xAI quietly dropped a massive update for Grok-4-Fast today.
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xAI quietly dropped a massive update for Grok-4-Fast today.
Use Grok4-Heavy + Grok-4-Fast + Grok-Code-Fast-1 for code. Grok4 is the best model in the world right now.
Reasoning Mode:
Jumped from 77.5% to 94.1% completion rate.
Non-Reasoning Mode:
Jumped from 77.9% to 97.9%.
btc
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twitter.com)
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tetsuo
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Model 3 comes with lots of the same improvements that you love about New Model Y
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Model 3 comes with lots of the same improvements that you love about New Model Y
And starts at ~40,000 EUR in many countries
– Better ride comfort
– Improved aerodynamics for maximum efficiency & range
– Quieter cabin (~20% reduction in road noise!)
– Rear touchscreen with
btc
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twitter.com)
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Grok 4 Fast matches GPT-5 (High) performance at ~23x lower cost (95.7% cheaper)
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Grok 4 Fast matches GPT-5 (High) performance at ~23x lower cost (95.7% cheaper)
Input tokens: 84% cheaper
Output tokens: 95% cheaper
Output speed: 150% faster
GPT-5: $1.25/M input, $10/M output
Grok 4 Fast: $0.20/M input, $0.50/M output
Grok: 344 tokens/s
GPT-5: ~138 tokens/s
btc
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twitter.com)
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X Freeze
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