Inception's Mercury 3 diffusion LLM hits 1,068 tokens/sec with a 1M-token context
Mercury 3 generates text by parallel refinement instead of token by token, and Inception says it matches or beats GPT-6 Luna and Claude Haiku 5.5 while running 4–8x faster. It's OpenAI API compatible and live on Inception's API, OpenRouter, Baseten, and Vercel AI Gateway at a 50%-off launch price of $0.10/$0.35 per million input/output tokens.