WhichAI / Models / Grok 4.5

Grok 4.5

· verified July 26, 2026

public paid api in Generator coding agents value

Provider

Statuspublic

AA Intelligence Index53.8 (July 16, 2026 snapshot)

Released2026-07-08

Context windown/a

Modalitiesn/a

API price $/1M (in / out)$2 / $6

Speed~80 tok/s, high token efficiency

AccessReleased July 8, 2026 · API $2/$6 per 1M tokens · in Grok Build & Cursor · not yet in the EU

In one line

xAI's first model built specifically for coding and agents (1.5T-parameter base, trained on real Cursor sessions): #4 on the AA index at a fraction of flagship prices. EU availability pending.

Coding89

Reasoning84

Writing74

Agents & tools90

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

Alternatives worth a look

Claude Sonnet 5 (Anthropic) · AA 53.4FREE tier of claude.ai · API
GPT-5.5 (OpenAI) · AA 54.8Free (limited messages) · Plus $20/mo · Go ~$8/mo · API
GPT-5.6 Terra (OpenAI) · AA 55Released July 9, 2026 · API $2.50/$15 per 1M tokens

Head-to-head: Grok 4.5 vs GPT-5.6 Terra

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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).