Claude Fable 5.2 vs Claude Opus 5.5
Change models
Claude Opus 5.5Anthropic
IndexAll categories, out of 100.
85.6 ±3.7 best
78.6 ±2.4
GapIndex points below the top.
Top
−7.0
CoverageIndex weight that has results.
90%
95% best
SpeedOutput tokens per second.
64/s
76/s best
EloLMArena rating and rank.
—
1513
ReleasedMonth of release.
2026-11
2026-09
Input / 1MUS dollars per 1M input tokens.
$8.00
$4.00 best
Output / 1MUS dollars per 1M output tokens.
$40.00
$20.00 best
Batch output / 1MBatch price per 1M output tokens.
$20.00
$10.00 best
1K chats2K tokens in, 500 out, each.
$36.00
$18.00 best
1K documents20K tokens in, 1K out, each.
$200.00
$100.00 best
1K agent tasks200K tokens in, 20K out, each.
$2,400.00
$1,200.00 best
ContextMaximum tokens in one request.
1M
1M
AgenticMulti-step tasks with tools.
82.2 best
74.1
CodingCode writing and repair.
86.2 best
81.8
ReasoningLogic problems and puzzles.
86.5 best
80.8
MultimodalTasks with images and text.
82.0 best
74.1
KnowledgeFacts and expert knowledge.
87.1 best
79.2
MultilingualTasks in many languages.
—
—
InstructionTasks with strict prompt rules.
—
59.6
MathMath problems.
79.3 best
77.7
Benchmarks
69 sharedOnly Claude Fable 5.2: 2Only Claude Opus 5.5: 88
Claude Fable 5.2
Claude Opus 5.5