Claude Opus 5.5 vs Grok 4.7

Change models
IndexAll categories, out of 100.
78.6 ±2.4 best
69.1 ±3.7
GapIndex points below the top.
Top
−9.5
CoverageIndex weight that has results.
95% best
85%
SpeedOutput tokens per second.
76/s best
51/s
EloLMArena rating and rank.
1513 best
1398
ReleasedMonth of release.
2026-09
2026-09
Input / 1MUS dollars per 1M input tokens.
$4.00
$2.00 best
Output / 1MUS dollars per 1M output tokens.
$20.00
$6.00 best
Batch output / 1MBatch price per 1M output tokens.
$10.00
$4.80 best
1K chats2K tokens in, 500 out, each.
$18.00
$7.00 best
1K documents20K tokens in, 1K out, each.
$100.00
$46.00 best
1K agent tasks200K tokens in, 20K out, each.
$1,200.00
$520.00 best
ContextMaximum tokens in one request.
1M best
500K
AgenticMulti-step tasks with tools.
74.1 best
71.9
CodingCode writing and repair.
81.8 best
69.9
ReasoningLogic problems and puzzles.
80.8 best
64.5
MultimodalTasks with images and text.
74.1
—
KnowledgeFacts and expert knowledge.
79.2 best
66.5
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
59.6
78.9 best
MathMath problems.
77.7 best
61.8

Benchmarks

81 shared
Only Claude Opus 5.5: 76Only Grok 4.7: 3
Claude Opus 5.5
Grok 4.7
61.4% best2 / 222
43.1%32 / 222
84.7% best6 / 217
76.7%84 / 217
90.6%38 / 217
92.7% best25 / 217
31.7% best4 / 214
17.7%37 / 214
100.0% best1 / 200
98.1%31 / 200
65.5% best3 / 164
42.7%42 / 164
68.3% best1 / 133
60.7%8 / 133
91.7% best6 / 131
61.4%36 / 131
97.5% best5 / 126
89.5%37 / 126
90.3% best6 / 123
86.2%13 / 123
97.9% best3 / 122
60.0%39 / 122
98.3% best8 / 116
95.1%32 / 116
66.9% best2 / 114
57.4%19 / 114
MedScribeHealthcare
91.4% best1 / 109
89.4%7 / 109
MedCodeHealthcare
49.8% best19 / 106
49.6%21 / 106
72.2% best7 / 91
56.0%23 / 91
Chess PuzzlesReasoning
67.0% best5 / 90
41.0%34 / 90
91.2% best4 / 90
53.0%53 / 90
50.5% best7 / 90
47.1%16 / 90
44.5% best6 / 82
35.8%16 / 82