Grok 4.3 stories

SpaceXAI launches Grok 4.5 at $2 per million tokens, undercutting competitors by up to 75%

SpaceXAI released Grok 4.5, its first model since going public, trained in collaboration with Cursor and priced significantly lower than competing models from Anthropic and OpenAI. While trailing GPT-5.5 and Fable 5 in coding benchmarks, the model uses 4.2 times fewer tokens than Opus 4.8 and costs a fraction of competitors.