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OpenAI's GPT-5.6 family goes public Thursday, capping a nine-day stretch that brought SpaceXAI's Grok 4.5 and Anthropic's returning Claude Fable 5, with prices spanning $1 to $50 per million tokens. Key Points: GPT-5.6 Sol, Terra and Luna reach general availability with tiered pricing from $1 to $5

Grok 4.5 gave Elon Musk’s cost-and-performance claim new support after an independent agent benchmark ranked the model first. Key Points: Grok 4.5 scored 51.4% on AutomationBench-AA, ahead of two Claude models. The model cost $0.34 per task, far below its closest Anthropic rivals. Its higher rule-vi

SpaceXAI launched Grok 4.5 as a lower-cost AI model for coding and agentic work after its $60B purchase of Cursor. Key Points: Grok 4.5 is priced at $2 per million input tokens and $6 per million output tokens. SpaceXAI is pitching the model around cost, speed and token efficiency rather than peak b

OpenAI will widen access to GPT-5.6 this week as Elon Musk prepares a rival Grok release that could cut into the launch. Key Points: OpenAI plans a broader GPT-5.6 rollout after first limiting access to selected partners. Musk said SpaceXAI will release Grok 4.5 in the coming days. The launches rene

Elon Musk said SpaceX will open its Grok 4.5 model to the public Thursday, calling the 1.5 trillion-parameter system an Opus-class rival that is faster and cheaper. Key Points: Musk plans to release Grok 4.5 to the public Thursday, faster and cheaper than Claude Opus. The model runs on a 1.5 trillio