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Grok 4.3
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#65
71 points · 180 models
Research rank
#54
84.3 points · 174 models
Data coverage
11 items
6 sources · updated through 2026-07-16
Domain performance
Coding
#62 / 160
72.7
Research
#54 / 174
84.3
Agents
#60 / 125
68.7
Vision
#36 / 65
79.2
Evaluation highlights
All evaluations
Arena Text Rating
Reasoning · Arena.ai Text · Search mode
1,443.88Elo
51
/ 354
Arena Vision Rating
Multimodal · Arena.ai Vision · Search mode
1,248.49Elo
25
/ 121
Arena Agent Tool Hallucination
Agents · Arena.ai Agent
1.1%
19
/ 31
Arena WebDev Rating
Coding · Arena.ai WebDev · Search mode
1,363Elo
56
/ 88
Arena Search Rating
Agents · Arena.ai Search · Search mode
1,165.37Elo
27
/ 42
Arena Agent Bash Recovery
Agents · Arena.ai Agent · High mode
-5.73%
25
/ 31
Basic information
Context (input / output)
1M / -
Release date
2026-06
Input modalities
Text
Output modalities
Text
Release date
2026-06-17
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 · Predecessor · Deprecated
Grok 4 Fast
2025-09 · Predecessor · Deprecated
Grok 4.1
2025-11 · Same series
Grok 4.1 Fast
2025-11 · Predecessor · Deprecated
Grok 4.20
2026-03 · Same series
Grok 4.3
Current
2026-06 · Current model
Grok 4.5
2026-07 · Same series
Provider variants
Search
Runtime modes
High