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Leaderboard / xAI

Grok 4.6

xAI High CLOSED Proprietary
Other settings:xHigh
Verdict

Grok 4.6 is a strong all-rounder: #48 of 406 by SIscope score. Even across the board, with no weak spot in what's been tested. Mid-range on price.

SIscope score
79
#48 of 406
Human-vote rank
#98
of 419 · score 1429
Price per 1M tokens, blended
$3
$2 in · $6 out
Context window
500K
500,000 tokens

Shape

Each spoke is a category, 0 at the centre, 100 at the edge.

CodingAgentsno data yetReasoningMathChatInstructions

Category scores

Percentiles: 90 means better than about 90% of tested models.

Coding81
Agents & toolsNo data yet–
Reasoning & knowledge82
Math77
Chat quality77
Following instructions83

What goes into each category · Compare with DeepSeek V4.1 Flash

Human-vote score over time

Text arena, recent updates.

142014281435Oct 20: 1428.5 (rank #98)Oct 22: 1429.6 (rank #97)Oct 28: 1428.5 (rank #98)Oct 20Oct 28

Coding votes over time

WebDev arena, recent updates.

161016181625Oct 16: 1617.4 (rank #25)Oct 18: 1617 (rank #26)Oct 19: 1616.6 (rank #27)Oct 22: 1617.1 (rank #27)Oct 23: 1616.6 (rank #28)Oct 27: 1616.7 (rank #29)Oct 28: 1616.4 (rank #30)Oct 16Oct 28

Independent test runs

Run by Epoch AI on the same harness for every model. Bars show the share of questions answered correctly.

GPQA Diamond94%
PhD-level science multiple choice questions
Better than 96% of 333 tested models. Run Aug 12, 2026.
SimpleQA Verified49%
Short factual questions; rewards not making things up
Better than 71% of 100 tested models. Run Aug 27, 2026.
OTIS Mock AIME 2024-2598%
Competition maths problems in the style of AIME
Better than 88% of 313 tested models. Run Aug 12, 2026.

Human-vote arenas

People compare two anonymous answers and pick the better one. Scores work like chess ratings.

ArenaRankScoreRange (95%)VotesUpdated
Text arena
Everyday chat, blind human votes
#98 of 41914291424–143333,824Oct 28, 2026
WebDev arena
Building web apps, blind human votes
#30 of 15216161609–162311,966Oct 28, 2026
Vision arena
Questions about images, blind human votes
#52 of 16712631255–12717,261Oct 19, 2026
Agent arena
Real multi-step agent sessions
Not on this board yet

Source: Arena (formerly LMArena) leaderboard dataset, CC BY 4.0. Fetched Nov 4, 2026.

Price

Input
$2
per 1M tokens
Output
$6
per 1M tokens
Blended
$3
3 in : 1 out, per 1M
Context window
500K
max tokens per request
Speed
Coming soon
our own tests

List price from the OpenRouter models API (x-ai/grok-4.6), Nov 4, 2026. Providers can charge differently.