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Claude Sonnet 4.6 Non-Reasoning Low Effort

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Claude Sonnet 4.6 Non-Reasoning Low Effort is an AI model from Anthropic. Claude Sonnet 4.6 configured for non-reasoning, low-effort inference, optimized for fast and cost-efficient responses.
Specifications
Canonical IDanthropic-claude-4-6-sonnet-non-reasoning-low-effort
StatusActive
CreatorAnthropicAnthropic
Benchmarks
Intelligence Index
35.1
#78
GPQA
0.8
#127
HLE
0.1
#162
IFBench
0.4
#210
Time to First Token
1.78s
#486
SciCode
0.4
#66
LCR
0.6
#115
TerminalBench Hard
0.4
#31
TAU2
0.8
#116
Output TPS
46.8
#109

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 5.3————Available
Claude Sonnet 51.0M$1.00$5.00Available
Claude Sonnet 4.61.0M$1.50$7.50Available
Claude Sonnet 4.51.0M$1.50$7.50Available
Claude Sonnet 41.0M$3.00$15.00Deprecated
Claude Sonnet 4.6 Non-Reasoning Low Effort————Current
Claude Sonnet 4.6 Adaptive————Available
Claude Sonnet 4.5————Available
Claude Sonnet 4————Available
Claude Sonnet 4.1—200K$3.00$15.00Available
Claude Sonnet 3.7200K——Available

Other Models

ModelTierReleasedContextInput / 1MOutput / 1M
Claude Opus 5.3Opus————
Claude Opus 5Opus1.0M$2.50$12.50
Claude Opus 5 FastOpus1.0M$10.00$50.00
Claude Fable 5Fable1.0M$5.00$25.00
Claude Fable 5.3Fable————
Claude Mythos 5Mythos—1.0M$10.00$50.00
Claude Opus 5 Claude Opus 4.8Opus———$50.00
Claude Opus 4.8Opus1.0M$2.50$12.50
Claude Opus 4.8 FastOpus1.0M$10.00$50.00
Claude Opus 4.7 FastOpus1.0M$30.00$150.00

Model IDs

anthropic-claude-4-6-sonnet-non-reasoning-low-effort
claude-sonnet-4-6-non-reasoning-low-effort