xAI Grok 4.20
Grok 4.20 is a reasoning model from xAI, released on 2026-03-09. It accepts text and image input and returns text output. The recorded context window is 1M. Cataloged capabilities include Reasoning model, Multilingual, Function calling, and Tool use. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology
| Type | Condition | Input | Output |
|---|---|---|---|
| Text | Context <= 200000 | $1.25/ 1M | $2.50/ 1M |
| Text | Context > 200000, Context <= 1000000 | $2.50/ 1M | $5.00/ 1M |
| Type | TTL | Write | Read |
|---|---|---|---|
| Text | - | - | $0.200/ 1M Context <= 200000 |
| Text | - | - | $0.400/ 1M Context > 200000, Context <= 1000000 |
Grok 4.20 currently shows benchmark results led by ARC-AGI-3 (9 / 9, score 0). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.
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Grok 4.20 is a reasoning model from xAI, released on 2026-03-09.
It accepts text and image input and produces text output. Its cataloged capabilities include Reasoning model, Multilingual, Function calling, Tool use, and Long context. The recorded context window is 1M.
The model weights are proprietary and are not published for download. The page records 6 API pricing rules from xAI; current provider pricing and conditions should be checked before deployment. The evaluation section contains 1 cataloged benchmark result with its recorded mode and score. The page links 2 release, model-card, repository, or provider references for checking the underlying claims. Specifications, availability, and prices can change; undisclosed values are intentionally left unstated.
Grok 4.20 is a reasoning model from xAI, released on 2026-03-09. It accepts text and image input and returns text output. The recorded context window is 1M. Cataloged capabilities include Reasoning model, Multilingual, Function calling, and Tool use. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.
The current model record lists text and image as input and text as output.
The recorded context window is 1M. Fields without a source-backed value remain undisclosed.
The page records 6 API pricing rules from xAI; current provider pricing and conditions should be checked before deployment.
The evaluation section contains 1 cataloged benchmark result with its recorded mode and score. Compare only results that use the same benchmark version and evaluation mode.
The model weights are proprietary and are not published for download. Review the linked license text before commercial or derivative use.
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