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Mercury 3

● live
Inception

Live — Oct 19; diffusion LLM; launch price $0.10/$0.35 per 1M, which Inception says is 50% off; OpenRouter and Vercel list the same, cached input $0.01; 1M context, 131K max output per the catalogs; on the Inception API, OpenRouter, Baseten and Vercel; Inception says it is over 40x the size of Mercury 1, runs at 1,000+ tokens/s and beats GPT-6 Luna and Haiku 5.5 on quality (its own claims). On the board as live since 2026-10-19 — the watchers keep tracking it: lineup changes, pricing moves and deprecations all alert.

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Timeline

2026-10-19
Mercury 3 verified live — from the vendor's own announcement and catalog listingverified
2026-10-19
Inception releases Mercury 3, a diffusion LLM it says beats GPT-6 Luna and Haiku 5.5, at $0.10 / $0.35 for launchpost

Inception released Mercury 3, its largest diffusion language model, on October 19.

Mercury 3: quick answers

Is Mercury 3 out?

Yes. Mercury 3 is live and has been since October 19, 2026.

When was Mercury 3 released?

October 19, 2026.

Who makes Mercury 3?

Inception. ArtificialWatch also tracks Mercury 2.5, Mercury 2 and Next Mercury (3.5 / 4) from Inception.

More from Inception

Mercury 2.5live since 2026-08-31
Mercury 2live since 2026-02-24
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