WhichAI / Models / Grok 4.6

Grok 4.6

· verified September 8, 2026

public paid api in Generator coding agents reasoning

Provider

Statuspublic

AA Intelligence Index60.9 (September 8, 2026 snapshot)

Released2026-08-12

Context window500K

Modalitiesn/a

API price $/1M (in / out)$2 / $6 · $0.50 per 1M cached input · reasoning effort: low / medium / high / xhigh

Speed~58 tok/s (below the ~86 tok/s field median)

AccessReleased August 12, 2026 · API $2/$6 per 1M tokens ($0.50 cached) · in Grok Build and Cursor · SuperGrok subscription

In one line

xAI's August flagship and its first entry in the AA top three (60.9): 70.8% on CursorBench 3.2, 87.0% on VulcanBench v3, and selectable reasoning effort from low to xhigh. Two honest caveats: the 500K context is half what the Claude, GPT and Kimi flagships offer, and measured throughput (~58 tok/s) sits below the field median.

Coding90

Reasoning92

Writing78

Agents & tools93

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

Alternatives worth a look

GPT-6 Astra (OpenAI) · AA 61.2Released September 4, 2026 · API $10/$50 per 1M tokens ($1 cached) · ChatGPT Plus and Pro · batch tier at $5/$25
Kimi K3 (Moonshot AI) · AA 59.7API $3/$15 per 1M tokens ($0.30 cached) · free kimi.com chat · open weights on Hugging Face (July 27, Modified MIT)
Claude Fable 5 (Anthropic) · AA 62.1Claude Pro / Max plans (usage credits since July 7) · API $10/$50 per 1M tokens

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ~ 55-66). Snapshot: September 4, 2026 (BenchLM mirror), retrieved September 8, 2026. Specs and prices come from the OpenRouter public model list on the same date. Models nobody has measured carry no index score at all and never enter a ranking: where an estimate exists it is shown separately and labelled unmeasured. Context, price, modality and release dates come from the public OpenRouter model list (retrieved September 8, 2026) and vendor pages. Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).