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X Ai

SpaceXAI: Grok 4.20

X Ai

WhatModel Score78SolidCompare
Input / M
Routed
Output / M
Context
Max Output
Unavailable
Usage
Unranked
Quality
74.7 / 100
Providers
1
Best Uptime 30m
99.96%
Latency (p50)
647 ms
Throughput
55.0 tok/s
Released
March 31, 2026
Modalities
text, image, file

About

Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering.

Capabilities

Vision
Tools
Reasoning
Streaming
JSON Mode

Host offerings · 1

Per-host pricing, uptime, latency, throughput
HostInput/MOutput/MContextUptime
xAIBest
xAI | x-ai/grok-4.20-20260309
$1.25$2.502.0M100.0%

Benchmarks

Quality index 74.7 / 100
Design Arena
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1243.0
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1239.0
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1239.0
elo models website
1239.0
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1235.0
elo models uicomponent
1229.0
elo models asciiart
1210.0
elo models svg
1201.0

Performance History

200 snapshots

Price History

Last 7 days · 0 changes
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Activity Timeline

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Versus

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Markdown
[![SpaceXAI: Grok 4.20 WM Score](https://whatmodel.app/api/public/embed/score/4d69d4df-668e-4b36-92bc-3b43e1962177)](https://whatmodel.app/models/4d69d4df-668e-4b36-92bc-3b43e1962177)
HTML
<a href="https://whatmodel.app/models/4d69d4df-668e-4b36-92bc-3b43e1962177"><img src="https://whatmodel.app/api/public/embed/score/4d69d4df-668e-4b36-92bc-3b43e1962177" alt="SpaceXAI: Grok 4.20 WM Score" height="26" /></a>
Image URL
https://whatmodel.app/api/public/embed/score/4d69d4df-668e-4b36-92bc-3b43e1962177
First seen 44d ago · Last verified 7m ago