Anthropic: Claude Sonnet 4 anthropic/claude-sonnet-4Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Source-linked Closed weights
Context window 1M
Maximum output 64K
Provider offers 0
Knowledge cutoff Undisclosed
Capabilities What this model supports
Creator Anthropic
Family Not documented
Modalities File, Image, Text
License Not documented
Release date Not documented
Model ID anthropic/claude-sonnet-4
No known providers available.
Evidence Published benchmark results
Anthropic: Claude Opus 4.8
47.2
Anthropic: Claude Sonnet 4
16.6
Anthropic: Claude Opus 4.8
74.3
Anthropic: Claude Opus 4.7
73.6
Anthropic: Claude Sonnet 4
37.6
Anthropic: Claude Opus 4.6
1348.0
Anthropic: Claude Sonnet 4
1212.0
Anthropic: Claude Opus 4.6
1336.0
Anthropic: Claude Opus 4.7
1330.0
Anthropic: Claude Sonnet 4
1184.0
Anthropic: Claude Opus 4.6
1321.0
Anthropic: Claude Opus 4.7
1320.0
Anthropic: Claude Sonnet 4.6
1317.0
Anthropic: Claude Sonnet 4
1192.0
Anthropic: Claude Opus 4.6
1339.0
Anthropic: Claude Opus 4.7
1334.0
Anthropic: Claude Sonnet 4
1200.0
Gemini 3.1 Pro Preview
1340.0
Anthropic: Claude Opus 4.6
1279.0
Anthropic: Claude Opus 4.7
1274.0
Anthropic: Claude Sonnet 4
1128.0
Anthropic: Claude Opus 4.7
1358.0
Anthropic: Claude Opus 4.6
1344.0
Anthropic: Claude Sonnet 4.6
1321.0
Anthropic: Claude Sonnet 4
1178.0
Anthropic: Claude Opus 4.6
1331.0
Anthropic: Claude Opus 4.7
1329.0
Anthropic: Claude Sonnet 4.6
1320.0
Anthropic: Claude Sonnet 4
1181.0
Anthropic: Claude Opus 4.8
55.7
Anthropic: Claude Opus 4.7
53.5
Anthropic: Claude Sonnet 4
28.9
Data provenance Sources & freshness Last verified July 12, 2026 at 09:13 UTC Status Source-linked Confidence Medium
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