#156
XA
Grok 1.5
xAI
19.3 LLMBoard
xAI model product
Grok 4.20 Beta Non-Reasoning is xAI's non-reasoning variant of the Grok 4.20 model family. Released as a beta on March 9, 2026, it provides fast, direct responses without thinking tokens, featuring a 2 million token context window while optimizing for speed and lower latency.
Updated Aug 10, 2026. Default version: Grok-4.20 Beta Non-Reasoning
Structured fields from the published default version.
This profile uses the latest version under this unique model that has a calculated LLMBoard score. Arena and price are excluded.
No published version under this unique model currently has enough benchmark coverage to calculate a score.
Published benchmark records for the scored version currently unavailable.
No published benchmark result is linked to the scored version.
Preference and agent-evaluation signals from published Arena datasets.
The default version has no published Arena rows, or its source alias has not been resolved.
Official vendor API PAYG pricing is summarized first. The table then lists individual provider offerings without treating their minimum as the official price.
| Vercel AI Gateway | xai/grok-4.20-non-reasoning-beta | global | $1.25 | $2.5 | 2M | |
| 302.AI | grok-4.20-beta-0309-non-reasoning | global | $2 | $6 | 2M |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
All published versions linked to this unique model. The score columns identify the version used by the current overall ranking.
| Grok-4.20 Beta Non-Reasoning | N/A | N/A | 2M | 30K | No | Proprietary |
A concise description based on the published model registry.
Grok 4.20 Beta Non-Reasoning is xAI's non-reasoning variant of the Grok 4.20 model family. Released as a beta on March 9, 2026, it provides fast, direct responses without thinking tokens, featuring a 2 million token context window while optimizing for speed and lower latency.
Use the benchmark, Arena and pricing sections above as separate evidence. A missing field means the current data snapshot does not support that claim.
Data snapshot: 2026-08-07. Editorial model content is not available in the backend.
Recommendations prioritize the same model type and family, then the closest published LLMBoard score.
Common questions about Grok 4.20 Beta Non Reasoning.
Grok 4.20 Beta Non Reasoning's default version was released on Mar 9, 2026.
No official standard PAYG price is currently available for Grok 4.20 Beta Non Reasoning. The lowest tracked third-party offer starts at $1.25 input and $2.5 output via Vercel AI Gateway.
Grok 4.20 Beta Non Reasoning is published under xAI in the model registry.
The default version has a 2M token context window.
No. The default version is not marked as having publicly available weights.
2 published provider offerings are linked to the default version.
No nearby ranked alternatives are currently available.