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Grok 4.20
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#43
76.6 points · 180 models
Research rank
#26
90.7 points · 174 models
Data coverage
5 items
5 sources · updated through 2026-07-16
Domain performance
Coding
#47 / 160
75
Research
#26 / 174
90.7
Agents
#31 / 125
79.3
Vision
#31 / 65
80.7
Long context
#39 / 82
75.9
Evaluation highlights
All evaluations
Arena Text Rating
Reasoning · Arena.ai Text · Reasoning mode
1,474.58Elo
17
/ 354
Arena Vision Rating
Multimodal · Arena.ai Vision · Reasoning mode
1,253.29Elo
22
/ 121
Arena Search Rating
Agents · Arena.ai Search · Multi-Agent mode
1,206.44Elo
13
/ 42
Arena WebDev Rating
Coding · Arena.ai WebDev · Reasoning mode
1,382.94Elo
51
/ 88
Arena Document Rating
Long context · Arena.ai Document · Reasoning mode
1,415.75Elo
24
/ 28
Basic information
Context (input / output)
1M / -
Release date
2026-03
Input modalities
Text · Image
Output modalities
Text
Availability
xAI API
Full pricing
Input
$1.25 /1M
Output
$2.5 /1M
Related links
Official site
Version relationships
Grok 4 family
Grok 4
2025-07 · Same series · Deprecated
Grok 4 Fast
2025-09 · Same series · Deprecated
Grok 4.1
2025-11 · Same series
Grok 4.1 Fast
2025-11 · Same series · Deprecated
Grok 4.20
Current
2026-03 · Current model
Grok 4.3
2026-06 · Same series
Grok 4.5
2026-07 · Same series
Provider variants
Beta 1 · Multi-Agent
Runtime modes
Reasoning