SpaceXAI Ships Grok 4.5 at $2 per Million Tokens

The 1.5-trillion-parameter model targets coding agents and undercuts prevailing Opus-class pricing, while OpenAI's GPT-5.6 rollout remains gated by regulatory clearance.

SpaceXAI released Grok 4.5 to the public on July 8, positioning the 1.5-trillion-parameter system as an Opus-class model tuned for speed in agentic coding workflows. The launch follows the company's rebrand and its acquisition of Anysphere, the team behind the Cursor editor. Pricing is set at $2 per million input tokens and $6 per million output tokens, a level the company states directly undercuts current offerings from OpenAI and Anthropic.

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