Grok 4.5 Enters Junior Beta Testing

zeeg · x · 2026-07-10

Getting ready to try out the new Grok 4.5 in Junior.

The author notes they are currently still using Sonnet 4.6 primarily because it offers a better balance of cost and speed. However, if these new models can approach Opus-level intelligence while offering faster response times, the benefits would be substantial, even before factoring in costs.

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