Claude Fable 5.2 vs Grok 4.7

Change models
Claude Fable 5.2AnthropicSmartest
IndexAll categories, out of 100.
85.6 ±3.7 best
69.1 ±3.7
GapIndex points below the top.
Top
−16.5
CoverageIndex weight that has results.
90% best
85%
SpeedOutput tokens per second.
64/s best
51/s
EloLMArena rating and rank.
—
1398
ReleasedMonth of release.
2026-11
2026-09
Input / 1MUS dollars per 1M input tokens.
$8.00
$2.00 best
Output / 1MUS dollars per 1M output tokens.
$40.00
$6.00 best
Batch output / 1MBatch price per 1M output tokens.
$20.00
$4.80 best
1K chats2K tokens in, 500 out, each.
$36.00
$7.00 best
1K documents20K tokens in, 1K out, each.
$200.00
$46.00 best
1K agent tasks200K tokens in, 20K out, each.
$2,400.00
$520.00 best
ContextMaximum tokens in one request.
1M best
500K
AgenticMulti-step tasks with tools.
82.2 best
71.9
CodingCode writing and repair.
86.2 best
69.9
ReasoningLogic problems and puzzles.
86.5 best
64.5
MultimodalTasks with images and text.
82.0
—
KnowledgeFacts and expert knowledge.
87.1 best
66.5
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
—
78.9
MathMath problems.
79.3 best
61.8

Benchmarks

40 shared
Only Claude Fable 5.2: 31Only Grok 4.7: 44
Claude Fable 5.2
Grok 4.7
74.3% best1 / 222
43.1%32 / 222
83.3% best13 / 217
76.7%84 / 217
93.9% best14 / 217
92.7%25 / 217
35.4% best1 / 214
17.7%37 / 214
99.7% best14 / 200
98.1%31 / 200
79.1% best1 / 164
42.7%42 / 164
92.5% best3 / 131
61.4%36 / 131
97.5% best5 / 126
89.5%37 / 126
93.8% best1 / 123
86.2%13 / 123
98.8% best1 / 122
60.0%39 / 122
99.0% best2 / 116
95.1%32 / 116
67.7% best1 / 114
57.4%19 / 114
94.0% best1 / 91
56.0%23 / 91
Chess PuzzlesReasoning
79.0% best1 / 90
41.0%34 / 90
95.1% best1 / 90
53.0%53 / 90
46.2%19 / 90
47.1% best16 / 90
32.1%23 / 82
35.8% best16 / 82
90.0% best1 / 80
29.0%32 / 80
100.0% best1 / 72
17.1%52 / 72
19.0% best1 / 65
0.5%19 / 65