Claude Opus 4.1 vs Grok 4.1 Fast (Reasoning)
Change modelsClaude Opus 4.1Anthropic
IndexAll categories, out of 100.
47.5 ±5.0 best
47.3 ±3.9
GapIndex points below the top.
Top
−0.2 · no clear gap
CoverageIndex weight that has results.
90%
100% best
SpeedOutput tokens per second.
12/s
—
EloLMArena rating and rank.
1419 best
1408
ReleasedMonth of release.
2025-08
2025-11
Input / 1MUS dollars per 1M input tokens.
$15.00
—
Output / 1MUS dollars per 1M output tokens.
$75.00
—
Batch output / 1MBatch price per 1M output tokens.
$37.50
—
1K chats2K tokens in, 500 out, each.
$67.50
—
1K documents20K tokens in, 1K out, each.
$375.00
—
1K agent tasks200K tokens in, 20K out, each.
$4,500.00
—
ContextMaximum tokens in one request.
200K
2M best
AgenticMulti-step tasks with tools.
48.7 best
48.4
CodingCode writing and repair.
48.2 best
43.3
ReasoningLogic problems and puzzles.
55.5 best
50.3
MultimodalTasks with images and text.
51.1 best
43.6
KnowledgeFacts and expert knowledge.
49.4 best
48.1
MultilingualTasks in many languages.
—
59.5
InstructionTasks with strict prompt rules.
—
38.3
MathMath problems.
42.0
55.7 best
Benchmarks
13 sharedOnly Claude Opus 4.1: 13Only Grok 4.1 Fast (Reasoning): 28
Claude Opus 4.1
Grok 4.1 Fast (Reasoning)