2 across 1 category board · 4 superseded · x.ai
ModelCap tracks 7 canonical xAI models as of 22 September 2026: 7 language models (2 with a public ModelCap Index position). Superseded versions and equivalent serving routes stay listed on this page, marked as such.
Grok 4.7 is xAI's highest-ranked model as of 22 September 2026, at ModelCap Index position #4 with a score of 85.0, followed by Grok 4.20 Multi-Agent (#16). The table lists every ranked xAI model in Index order.
Grok Build 0.1 at $2.00 per 1M output tokens ($1.00 per 1M input) as of 22 September 2026, the lowest listed price among xAI's 7 priced language models. Prices are the lowest current provider offer on the OpenRouter catalogue.
Grok 4.20 Multi-Agent, with a published context window of 2M tokens. Individual providers can serve less than the published maximum; each model page lists every endpoint's own limit.
No tracked xAI model publishes downloadable weights in the current snapshot; access is through hosted APIs or products.
Grok 4.7, first listed on 21 September 2026 and currently ModelCap Index #4. New xAI models appear here as soon as they pass automatic identity checks; the launches page tracks releases across every publisher.