Claude Fable 5 vs Claude Opus 4.8
Change modelsClaude Fable 5Anthropic
Claude Opus 4.8Anthropic
IndexAll categories, out of 100.
74.0 ±2.7 best
67.7 ±2.0
GapIndex points below the top.
Top
−6.3
CoverageIndex weight that has results.
95%
100% best
SpeedOutput tokens per second.
56/s
69/s best
EloLMArena rating and rank.
1492 best
1454
ReleasedMonth of release.
2026-06
2026-05
Input / 1MUS dollars per 1M input tokens.
$10.00
$5.00 best
Output / 1MUS dollars per 1M output tokens.
$50.00
$25.00 best
Batch output / 1MBatch price per 1M output tokens.
$25.00
$12.50 best
1K chats2K tokens in, 500 out, each.
$45.00
$22.50 best
1K documents20K tokens in, 1K out, each.
$250.00
$125.00 best
1K agent tasks200K tokens in, 20K out, each.
$3,000.00
$1,500.00 best
ContextMaximum tokens in one request.
1M
1M
AgenticMulti-step tasks with tools.
71.4 best
66.5
CodingCode writing and repair.
74.7 best
68.3
ReasoningLogic problems and puzzles.
73.6 best
68.0
MultimodalTasks with images and text.
70.1 best
66.5
KnowledgeFacts and expert knowledge.
75.8 best
66.4
MultilingualTasks in many languages.
—
60.3
InstructionTasks with strict prompt rules.
64.1 best
59.7
MathMath problems.
76.2 best
71.2
Benchmarks
76 sharedOnly Claude Fable 5: 16Only Claude Opus 4.8: 26
Claude Fable 5
Claude Opus 4.8