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Thoughts on AI, technology, and the future we're building.
New posts every week
A model-level benchmark profile for Claude Fable 5, combining Arena category ranks, suite indexes, commercial price and speed data, SWE-bench status, and lab context.
Lab
Anthropic
Proprietary
Coverage
78%
7 of 9 tracked signals
Best Arena rank
#1
Text Arena
Best suite
#1
Coding / 83
Model profile
This view treats missing values as coverage gaps, then puts every available score, rank, cost, and speed signal into the same visual hierarchy.
Analyst view
Its best composite result is rank #1 in the coding view, with a 83 coding index. The strongest raw Arena signal is Text Arena at rank #1 with 2,883 public votes.
Best current lane
Coding
#1 / 83 coding index
Strongest raw signal
Text
#1, 1510 score
Commercial posture
$20.00
66.7s first token / 72 tok/s
Coverage gaps
Profile completeness
Arena categories
4/5
Text, Code, Docs, Vision
Commercial match
Live
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
SWE-bench
Not listed
No confident software benchmark row
Raw identifier
claude-fable-5
Performance cockpit
Arena rows show score, public rank, confidence interval, vote count, and publish date. Missing rows stay visible as coverage gaps.
WebDev Arena
Arena category
1645-1685 CI
Vision Arena
Arena category
1292-1323 CI
Search Arena
Arena category
Not listed
No confident public Arena row for this category.
Coverage gap
Document Arena
Arena category
1485-1515 CI
SWE-bench Verified
Software issue resolution
Not listed
No confident SWE-bench row matched to this model.
Coverage gap
Cost and speed
Price, latency, and throughput are only shown when a confident commercial source row is matched.
Blended price
$20.00
USD / 1M tokens
Input price
$10.00
USD / 1M input tokens
Output price
$50.00
USD / 1M output tokens
Latency
66.7s
Median time to first token
Output speed
72 tok/s
Median generation speed
Matched source row
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)Suite position
These views combine available public signals into purpose-specific indexes. A missing card means the model lacks enough source coverage for that lens.
Value
Quality, price, latency, and output speed
value index
Coding
Code Arena, SWE-bench, and output speed
coding index
Agents
Search, documents, code, and latency
agent proxy
Reasoning
Text, documents, vision, and mode signal
reasoning proxy
Long context
Document, search, and text benchmark proxy
context proxy
Lab context
Same-lab models make it easier to see whether this profile is a flagship, value play, specialist, or lower-coverage row.
Claude Opus 4.7 Thinking
claude-opus-4-7-thinking
Best rank
#1
Coverage
44%
Claude Opus 4.6 Thinking
claude-opus-4-6-thinking
Best rank
#2
Coverage
78%
Claude Opus 4.6 Search
claude-opus-4-6-search
Best rank
#2
Coverage
11%
Claude Opus 4.7
claude-opus-4-7
Best rank
#3
Coverage
89%
Claude Opus 4.8 Thinking
claude-opus-4-8-thinking
Best rank
#3
Coverage
44%
Claude Opus 4.6
claude-opus-4-6
Best rank
#4
Coverage
89%
Claude Opus 4.8
claude-opus-4-8
Best rank
#5
Coverage
78%
Claude Sonnet 4.6
claude-sonnet-4-6
Best rank
#8
Coverage
78%
