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Claude Sonnet 4.6 (Non-reasoning, High Effort)

AnthropicClaudeProprietary

Description

Claude Sonnet 4.6 is a full upgrade of the model's skills across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Users preferred Sonnet 4.6 over Sonnet 4.5 approximately 70% of the time. First Sonnet-class model with 1M token context window (beta) and context compaction. Major improvement in computer use skills compared to prior Sonnet models. Default model on Free and Pro plans. Pricing: $3/$15 per million tokens (input/output).

Release Date
2026-02-17
Parameters
Context Length
1.0M
Modalities
audio, image, text, video

Capability Radar

38
general
46
coding
80
reasoning
55
scienceest.
80
agents
80
multimodal

Science uses a reasoning proxy when dedicated science benchmarks are unavailable.

Rankings

Domain#RankScoreSource
Agents & Tools31
63.0
LS
Code Ranking30
78.0
AA
General Ranking98
66.0
AA
Reasoning64
58.0
LS
Science81
64.0
AA

Benchmark Scores (LLM Stats)

Agents

GDPval-AA1633.00 / 3000SR
BrowseComp74.7%SR
OSWorld72.5%SR
Finance Agent63.3%SR
MCP Atlas61.3%SR
Terminal-Bench 2.059.1%SR

Biology

GPQA89.9%SR

Code

SWE-Bench Verified79.6%SR

Communication

Tau2 Telecom97.9%SR
Tau2 Retail91.7%SR

General

MMMLU89.3%SR
MMMU-Pro75.6%SR

Math

Humanity's Last Exam49.0%SR

Reasoning

ARC-AGI v258.3%SR

AA Evaluation Indices

Coding Index
46.4
Intelligence Index
44.4
Gpqa
0.8
Tau2
0.8
Lcr
0.6
Scicode
0.5
Terminalbench Hard
0.5
Ifbench
0.4
Hle
0.1

LLM Stats Category Scores

Legal
100
Finance
100
General
100
Agents
100
Reasoning
100
Biology
90
Chemistry
90
Communication
90
Language
90
Physics
90
Tool Calling
80
Frontend Development
80
Code
70
Math
70
Multimodal
70
Search
70
Spatial Reasoning
60
Vision
60
Long Context
50
Healthcare
20

Pricing

Input Price$3.75 / 1M tokens
Output Price$15 / 1M tokens
Blended Price (3:1)$6.563 / 1M tokens

Speed

Tokens/sec55.5 tokens/s
Time to First Token1.07s
Time to Answer1.07s

Available Providers

(LS internal units)
ProviderInput PriceOutput Price
Anthropic3.0M15.0M

External Sources