Mercury 3 (inception/mercury-3) is Inception Labs' flagship diffusion language model (dLLM), released October 19, 2026. It decodes tokens in parallel via iterative denoising rather than strict left-to-right autoregression, pairing a 1M-token context window with a vendor-reported ~1,068 tokens/sec on NVIDIA GPUs and aggressive launch pricing of $0.10/$0.35 per 1M input/output tokens — positioning it as a latency-first alternative to autogregressive speed-tier models like Claude Haiku 5.5 and GPT-6 Luna.
Inception Foundation Models (3)
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