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Inception releases diffusion language model Mercury 3

What happened

AI digest

On 21 October 2026, Inception released the diffusion language model Mercury 3. According to The Decoder, Inception says Mercury 3 beats GPT-6 Luna and Claude Haiku 5.5 on several benchmarks and runs four to eight times faster than either. Coverage so far covers only the release and the vendor's own performance comparisons; there is no third-party evaluation or independent verification.

Written by AI from the reports · updated 2 h ago

Timeline

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Oct 21
  1. The Decoder
    Inception's Mercury 3 diffusion model claims to beat GPT-6 Luna and Claude Haiku 5.5 at a fraction of the wait

    Inception says Mercury 3 is the most capable diffusion language model released so far. The company claims it runs four to eight times faster than GPT-6 Luna and Claude Haiku 5.5 and beats both in eight of 12 benchmarks. There are no independent tests yet.

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