WhichAI / Models / DeepSeek V4 Pro

DeepSeek V4 Pro

· verified July 26, 2026

public free open-weights api in Generator reasoning coding value

Provider

Statuspublic

AA Intelligence Index44.3 (July 16, 2026 snapshot)

Releasedn/a

Context windown/a

Modalitiesn/a

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

Speedn/a

AccessFree chat app · open weights · very cheap API · 1M context default

In one line

The open reasoning champion (1.6T sparse MoE, 49B active): tops open coding boards at famously low prices - the most popular frontier-adjacent free model worldwide.

Coding87

Reasoning82

Writing68

Agents & tools76

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

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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).