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Claude Sonnet 4.6 Adaptive


Claude Sonnet 4.6 Adaptive is an AI model from Anthropic logoAnthropic. Claude Sonnet 4.6 with adaptive reasoning at maximum effort, scaling thinking depth dynamically for complex tasks.
Spec
Canonical IDanthropic-claude-4-6-sonnet-adaptive
StatusActive
CreatorAnthropicAnthropic
Intelligence Index
51.7
#11
Coding Index
GPQA
0.9
#22
HLE
0.3
#17
IFBench
0.6
#102
Time to First Token
61.01s
#453
SciCode
0.5
#26
LCR
0.7
#14
TerminalBench Hard
0.5
#4
TAU2
0.8
#100
Output TPS
64.7
#171

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 4.6 AdaptiveCurrent
Claude Sonnet 4Available
Claude Sonnet 4.1200K$3.00$15.00Available
Claude Sonnet 4.5Available
Claude Sonnet 4.6 Non-Reasoning Low EffortAvailable
Claude Sonnet 3.7200K$3.00$15.00Deprecated
Claude Sonnet 3.7200K$3.00$15.00Deprecating
Claude Sonnet 3.5 V2200K$3.00$15.00Deprecating

Other models

ModelTierReleasedContextInput / 1MOutput / 1M
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 Haiku 4.5Haiku
Claude Opus 4Opus
Claude Opus 4.1Opus
Claude Opus 4.5Opus

Model IDs