Mercury 2 review, price and benchmarks (2026)

public paid api info-only speed

Provider

Statuspublic

AA Intelligence Index21.4 (July 16, 2026 snapshot)

Releasedn/a

Context windown/a

Modalitiesn/a

API price $/1M (in / out)n/a

Speedn/a

AccessAPI

In one line

A diffusion language model - generates text in parallel rather than token-by-token, hitting extreme speeds. The most interesting architectural outsider on the board.

Coding52

Reasoning44

Writing42

Agents & tools40

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

Grok Code Fast 1 (xAI) · AA 21.6API (very cheap) · common inside IDE integrations
Gemma 4 12B (Google) · AA 21.8Open weights · laptop-friendly
K-Exaone (LG AI Research) · AA 22.1Korean cloud ecosystem · some open releases

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).