Claude Sonnet 5.5 xHigh.
A model-level benchmark profile for Claude Sonnet 5.5 xHigh, combining Arena category ranks, suite indexes, commercial price and speed data, SWE-bench status, and lab context.
Lab
Anthropic
Proprietary
Coverage
67%
6 of 9 tracked signals
Best Arena rank
#3
WebDev Arena
Best suite
#5
Coding / 79
Model profile
Benchmark signal map.
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
Claude Sonnet 5.5 xHigh is strongest on coding.
Its best composite result is rank #5 in the coding view, with a 79 coding index. The strongest raw Arena signal is WebDev Arena at rank #3 with 2,858 public votes.
Best current lane
Coding
#5 / 79 coding index
Strongest raw signal
Code
#3, 1774 score
Commercial posture
$4.00
0.74s first token / 109 tok/s
Coverage gaps
Profile completeness
6 of 9 signals matched
Arena categories
3/5
Code, Text, Vision
Commercial match
Live
Claude Sonnet 5.5 (Low, Default Fallback)
SWE-bench
Not listed
No confident software benchmark row
Raw identifier
claude-sonnet-5.5-xhigh
Performance cockpit
Public benchmark scores
Arena rows show score, public rank, confidence interval, vote count, and publish date. Missing rows stay visible as coverage gaps.
WebDev Arena
Arena category
1760-1788 CI
Vision Arena
Arena category
1252-1280 CI
Search Arena
Arena category
Not listed
No confident public Arena row for this category.
Coverage gap
Document Arena
Arena category
Not listed
No confident public Arena row for this category.
Coverage gap
SWE-bench Verified
Software issue resolution
Not listed
No confident SWE-bench row matched to this model.
Coverage gap
Cost and speed
Commercial profile
Price, latency, and throughput are only shown when a confident commercial source row is matched.
Blended price
$4.00
USD / 1M tokens
Input price
$2.00
USD / 1M input tokens
Output price
$10.00
USD / 1M output tokens
Latency
0.74s
Median time to first token
Output speed
109 tok/s
Median generation speed
Matched source row
Claude Sonnet 5.5 (Low, Default Fallback)Suite position
Composite ranks by benchmark lens.
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
Nearby Anthropic profiles.
Same-lab models make it easier to see whether this profile is a flagship, value play, specialist, or lower-coverage row.
Claude Fable 5
Claude Fable 5 (High)
Best rank
#1
Coverage
33%
Claude Fable 5 High
claude-fable-5-high
Best rank
#1
Coverage
33%
Claude Opus 5.5 Max
claude-opus-5.5-max
Best rank
#1
Coverage
11%
Claude Opus 4.6 High
claude-opus-4-6-high
Best rank
#2
Coverage
33%
Claude Opus 5.5
Claude Opus 5.5 (High)
Best rank
#3
Coverage
44%
Claude Opus 4.7
claude-opus-4-7
Best rank
#3
Coverage
44%
Claude Opus 4.6
claude-opus-4-6
Best rank
#4
Coverage
44%
Claude Fable 5.1 High
claude-fable-5.1-high
Best rank
#4
Coverage
11%
