Claude Opus 4.8 vs Grok 4.6
Change modelsClaude Opus 4.8Anthropic
Grok 4.6xAI
IndexAll categories, out of 100.
67.7 ±2.0
67.8 ±3.7 best
GapIndex points below the top.
−0.1 · no clear gap
Top
CoverageIndex weight that has results.
100% best
85%
SpeedOutput tokens per second.
69/s best
56/s
EloLMArena rating and rank.
1454 best
1430
ReleasedMonth of release.
2026-05
2026-08
Input / 1MUS dollars per 1M input tokens.
$5.00
$2.00 best
Output / 1MUS dollars per 1M output tokens.
$25.00
$6.00 best
Batch output / 1MBatch price per 1M output tokens.
$12.50
$4.80 best
1K chats2K tokens in, 500 out, each.
$22.50
$7.00 best
1K documents20K tokens in, 1K out, each.
$125.00
$46.00 best
1K agent tasks200K tokens in, 20K out, each.
$1,500.00
$520.00 best
ContextMaximum tokens in one request.
1M best
500K
AgenticMulti-step tasks with tools.
66.5
68.4 best
CodingCode writing and repair.
68.3 best
67.7
ReasoningLogic problems and puzzles.
68.0 best
66.1
MultimodalTasks with images and text.
66.5
—
KnowledgeFacts and expert knowledge.
66.4 best
65.7
MultilingualTasks in many languages.
60.3
—
InstructionTasks with strict prompt rules.
59.7
72.0 best
MathMath problems.
71.2 best
65.3
Benchmarks
64 sharedOnly Claude Opus 4.8: 38Only Grok 4.6: 20
Claude Opus 4.8
Grok 4.6