Inception · Language model

Mercury 2.5

A diffusion-based language model: instead of writing one word at a time, it generates text in parallel. That makes it very fast, and it's still in preview.

MakerInception
ReleasedAugust 31, 2026
API price (per 1M tokens)$0.2 in / $0.75 out
Open weightsNo

Best for

  • Speed-critical apps
  • Autocomplete and quick edits

Strengths

  • A different architecture built for speed

Watch out for

  • Preview release

Ranking history

EditionPower RankingsCodingBest ValueOpen-Weight WatchImage GenerationVideo Generation
Week 45, 2026——#13 (79)———
Week 44, 2026——#11 (79)———
Week 43, 2026——#9 (79)———
Week 42, 2026——#8 (79)———
Week 41, 2026——#7 (80)———
Week 40, 2026——#6 (80)———
Week 39, 2026——#6 (80)———