Benchmark suiteLatest source data: Oct 16, 2026Checked: October 18, 2026

Claude Sonnet 4.5.

A model-level benchmark profile for Claude Sonnet 4.5, combining Arena category ranks, suite indexes, commercial price and speed data, SWE-bench status, and lab context.

Anthropic lab page

Lab

Anthropic

Proprietary

Coverage

22%

2 of 9 tracked signals

Best Arena rank

#100

WebDev Arena

Best suite

#90

Coding / 0

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 4.5 is strongest on coding.

22% coverage

Its best composite result is rank #90 in the coding view, with a 0 coding index. The strongest raw Arena signal is WebDev Arena at rank #100 with 15,723 public votes.

Best current lane

Coding

#90 / 0 coding index

Strongest raw signal

Code

#100, 1385 score

Commercial posture

$6.00

Not listed first token / Not listed

Coverage gaps

Text ArenaVision ArenaSearch ArenaDocument ArenaLatencyOutput speedSWE-bench

Profile completeness

2 of 9 signals matched

22%

Arena categories

1/5

Code

Commercial match

Live

Claude 4.5 Sonnet (Non-reasoning)

SWE-bench

Not listed

No confident software benchmark row

Raw identifier

Claude Sonnet 4.5 (High, 32K, 20250929)

Reasoning

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.

Text Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

WebDev Arena

Arena category

1,385#100

1378-1392 CI

15,723 votes

Oct 16, 2026

Arena public leaderboard dataset

Vision Arena

Arena category

Not listed

No confident public Arena row for this category.

Coverage gap

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

$6.00

USD / 1M tokens

Input price

$3.00

USD / 1M input tokens

Output price

$15.00

USD / 1M output tokens

Latency

Not listed

Median time to first token

Output speed

Not listed

Median generation speed

Matched source row

Claude 4.5 Sonnet (Non-reasoning)

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

#9528

value index

blended / 1M tokens$6.00

time to first tokenNot listed

output speedNot listed

Coding

Code Arena, SWE-bench, and output speed

#900

coding index

Code Arena rank #1001,385