Coding Models Meet Their Test Bench
Grok 4.5 gives the day a coding-model lead, but the stronger tension is measurement: the model market is moving faster than the tests, sandboxes, voice interfaces, and power equipment around it.
SpaceXAI's Grok 4.5 post anchors the release as a coding-and-agent model rather than a general chatbot update.
TryAI's build-off gives the launch a practical counterweight by comparing Grok 4.5, GPT-5.5, and Claude on the same app-building tasks.
OpenAI's GPT Live 1 demo shows a full-duplex voice interface with interruptions and delegated reasoning, which makes the interface architecture the story…
The skinny
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