Grok 4 Fast (Reasoning) vs o4-mini
Change models
o4-miniOpenAI
IndexAll categories, out of 100.
45.3 ±4.3 best
44.7 ±3.0
GapIndex points below the top.
Top
−0.6 · no clear gap
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
—
122/s
EloLMArena rating and rank.
1400 best
1353
ReleasedMonth of release.
2025-09
2025-04
Input / 1MUS dollars per 1M input tokens.
—
$1.10
Output / 1MUS dollars per 1M output tokens.
—
$4.40
1K chats2K tokens in, 500 out, each.
—
$4.40
1K documents20K tokens in, 1K out, each.
—
$26.40
1K agent tasks200K tokens in, 20K out, each.
—
$308.00
ContextMaximum tokens in one request.
2M best
200K
AgenticMulti-step tasks with tools.
42.9 best
38.5
CodingCode writing and repair.
44.9
45.2 best
ReasoningLogic problems and puzzles.
47.8 best
44.9
MultimodalTasks with images and text.
42.7
52.0 best
KnowledgeFacts and expert knowledge.
46.6 best
40.8
MultilingualTasks in many languages.
—
35.5
InstructionTasks with strict prompt rules.
36.2
53.2 best
MathMath problems.
55.4 best
50.5
Benchmarks
28 sharedOnly Grok 4 Fast (Reasoning): 7Only o4-mini: 28
Grok 4 Fast (Reasoning)
o4-mini