Grok 4.1 Fast vs Grok 4.1 Fast (Reasoning)
Change models
IndexAll categories, out of 100.
33.3 ±8.9
47.3 ±3.9 best
GapIndex points below the top.
−14.0
Top
CoverageIndex weight that has results.
65%
100% best
SpeedOutput tokens per second.
138/s
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EloLMArena rating and rank.
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1408
ReleasedMonth of release.
2025-11
2025-11
Input / 1MUS dollars per 1M input tokens.
$0.20
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Output / 1MUS dollars per 1M output tokens.
$0.50
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1K chats2K tokens in, 500 out, each.
$0.65
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1K documents20K tokens in, 1K out, each.
$4.50
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1K agent tasks200K tokens in, 20K out, each.
$50.00
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ContextMaximum tokens in one request.
1M
2M best
AgenticMulti-step tasks with tools.
41.1
48.4 best
CodingCode writing and repair.
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43.3
ReasoningLogic problems and puzzles.
32.8
50.3 best
MultimodalTasks with images and text.
18.1
43.6 best
KnowledgeFacts and expert knowledge.
32.5
48.1 best
MultilingualTasks in many languages.
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59.5
InstructionTasks with strict prompt rules.
23.1
38.3 best
MathMath problems.
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55.7
Benchmarks
8 sharedOnly Grok 4.1 Fast: 2Only Grok 4.1 Fast (Reasoning): 33
Grok 4.1 Fast
Grok 4.1 Fast (Reasoning)