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Claude Sonnet 4


Claude Sonnet 4 is an AI model from Anthropic. Claude Sonnet 4 with extended thinking mode for enhanced step-by-step reasoning on complex problems.
Specifications
Canonical IDanthropic-claude-4-sonnet-thinking
StatusActive
CreatorAnthropicAnthropic
Benchmarks
Intelligence Index
38.7
#73
Coding Index
34.1
#75
Math Index
74.3
#76
MMLU-Pro
0.8
#36
GPQA
0.8
#108
HLE
0.1
#140
LiveCodeBench
0.7
#85
AIME
0.8
#20
IFBench
0.5
#115
Time to First Token
8.47s
#435
SciCode
0.4
#81
MATH-500
1.0
#5
AIME 2025
0.7
#76
LCR
0.6
#54
TerminalBench Hard
0.3
#77
TAU2
0.6
#136
Output TPS
48.9
#214

Capabilities

Input0/5
Text·
Image·
Audio·
Video·
PDF·
Output0/5
Text·
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Claude Sonnet 4.61.0M$3.00$15.00Available
Claude Sonnet 4.51.0M$3.00$15.00Available
Claude Sonnet 41.0M$3.00$15.00Deprecated
Claude Sonnet 4Current
Claude Sonnet 4.6 AdaptiveAvailable
Claude Sonnet 4.5Available
Claude Sonnet 4.6 Non-Reasoning Low EffortAvailable
Claude Sonnet 4.1200K$3.00$15.00Available
Claude Sonnet 3.7200KAvailable
Claude Sonnet 3.7200K$3.00$15.00Deprecated
Claude Sonnet 3.5 V2200K$3.00$15.00Deprecating

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Opus 4.7 FastOpus1.0M$30.00$150.00
Claude Opus 4.7Opus1.0M$5.00$25.00
Claude Opus 4.6Opus1.0M$5.00$25.00
Claude Opus 4.5Opus410K$5.00$25.00
Claude Haiku 4.5Haiku200K$1.00$5.00
Claude Opus 4.1Opus200K$15.00$75.00
Claude Opus 4Opus410K$15.00$75.00
Claude Opus 4.6 AdaptiveOpus
Claude Opus 4.5Opus
Claude Opus 4.1Opus

Model IDs