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Grok 4.5
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Tool use · Reasoning
Overview
Pricing
Evaluations
Evaluation overview
Overall rank
#9
88 points · 180 models
Coding rank
#8
91.2 points · 160 models
Data coverage
13 items
4 sources · updated through 2026-07-16
Domain performance
Coding
#8 / 160
91.2
Research
#36 / 174
88.2
Agents
#10 / 125
89.7
Evaluation highlights
All evaluations
Arena Agent Tool Hallucination
Agents · Arena.ai Agent
1.33%
1
/ 31
Arena Text Rating
Reasoning · Arena.ai Text
1,465.38Elo
27
/ 354
SWE-bench Pro
Coding · xAI Grok 4.5 Release
64.7%
4
/ 46
Arena WebDev Rating
Coding · Arena.ai WebDev
1,558.19Elo
8
/ 88
Arena Agent Confirmed Success
Agents · Arena.ai Agent
6.95%
6
/ 31
Arena Agent Bash Recovery
Agents · Arena.ai Agent
9.72%
7
/ 31
Basic information
Context (input / output)
500K / -
Release date
2026-07
Input modalities
Text
Output modalities
Text
Availability
xAI API
Full pricing
Input
$2 /1M
Output
$6 /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
2026-03 · Same series
Grok 4.3
2026-06 · Same series
Grok 4.5
Current
2026-07 · Current model