DataLearner logo
CL

Claude Sonnet 4.6

Scheduled retirement · 2027-02-17Chat modelSonnetClaude 4.6

Claude Sonnet 4.6

Release date: 2026-02-17Updated: 2026-09-04Knowledge cutoff: 2026-01Scheduled retirement: 2027-02-17Views: 2,136
Live demoGitHubHugging FaceCompare
Parameters
No data
Context length
1M
Multilingual
Supported
Reasoning ability
5/5

Claude Sonnet 4.6 is a chat model from Anthropic, released on 2026-02-17. It accepts text and image input and returns text output. The recorded context window is 1M, and the recorded maximum output is 8K. Cataloged capabilities include Reasoning model and Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

Claude Sonnet 4.6

Model basics

Reasoning traces
Supported
Thinking modes
Standard ModeThinking Level · DeepThinking Mode
Context length
1M tokens
Max output length
8K tokens
Model type
Chat model
Modality (in / out)
Text, Image → Text
Release date
2026-02-17
Model file size
No data
MoE architecture
No
Total params / Active params
No data / Not applicable
Knowledge cutoff
2026-01
Claude Sonnet 4.6

Open source & experience

Code license
Proprietary
Weights license
Proprietary
GitHub repo
N/A
Hugging Face
N/A
Live demo
Claude Sonnet 4.6

Official resources

Paper
DataLearnerAI blog
N/A
Claude Sonnet 4.6

API details

API speed
No data
💡Default unit: $/1M tokens. If vendors use other units, follow their published pricing.
Standard
TypeConditionInputOutput
TextContext <= 200K$3.00/ 1M$15.00/ 1M
TextContext > 200K$6.00/ 1M$22.50/ 1M
Cache PricingPrompt Cache
TypeTTLWriteRead
Text5m$3.75/ 1M
Context <= 200K
$0.300/ 1M
Context <= 200K
Text1h$6.00/ 1M
Context <= 200K
$0.300/ 1M
Context <= 200K

“—” means the modality is not billed in that direction, or the vendor has not published a price for it.

Claude Sonnet 4.6

Benchmark Results

Claude Sonnet 4.6 currently shows benchmark results led by LiveBench (12 / 115, score 75.47), Creative Writing (15 / 99, score 1804.50), SWE-bench Verified (18 / 115, score 79.60). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.

Thinking
Tool usage

General Knowledge

6 evaluations
Benchmark / mode
Score
Rank/total
70.44
36 / 115
LiveBench
Medium
75.47
12 / 115
75.32
15 / 115
ARC-AGI-2
Thinking Mode
58.30
41 / 85
HLE
Thinking Mode
33.20
93 / 189
HLE
Thinking ModeTools
49
39 / 189

General Evaluation

4 evaluations
Benchmark / mode
Score
Rank/total
83.33
114 / 270
GPQA Diamond
Thinking Mode
89.90
49 / 270
83.33
114 / 270
78.79
152 / 270

Coding and Software Engineer

2 evaluations
Benchmark / mode
Score
Rank/total
SWE-bench Verified
Thinking Mode
79.60
18 / 115
DeepSWE
HighTools
30
32 / 34

Writing and Creative Capabilities

1 evaluations
Benchmark / mode
Score
Rank/total
Creative Writing
Standard Mode
1804.50
15 / 99

Math and Reasoning

1 evaluations
Benchmark / mode
Score
Rank/total
8.30
34 / 80

Agent Level Benchmark

1 evaluations
Benchmark / mode
Score
Rank/total
τ²-Bench - Telecom
Thinking ModeTools
97.90
9 / 35

AI Agent - Information Search

1 evaluations
Benchmark / mode
Score
Rank/total
BrowseComp
Thinking ModeTools
74.70
30 / 58

AI Agent - Tool Usage

3 evaluations
Benchmark / mode
Score
Rank/total
OSWorld-Verified
Thinking ModeTools
72.50
17 / 26
MCP-Atlas
Standard ModeTools
69.50
29 / 41
Terminal Bench 2.0
Thinking ModeTools
59.10
22 / 48

Text Embedding

4 evaluations
Benchmark / mode
Score
Rank/total
Context Arena
Standard Mode
55.18
80 / 126
82.80
30 / 126
82.56
31 / 126
82.82
29 / 126

Productivity Knowledge

1 evaluations
Benchmark / mode
Score
Rank/total
GDPval-AA
Thinking Mode
57
11 / 21

Long Context

1 evaluations
Benchmark / mode
Score
Rank/total
AA-LCR
Thinking Mode
71
11 / 28

Claw-style Agent Evaluation

1 evaluations
Benchmark / mode
Score
Rank/total
Pinch Bench
Thinking ModeTools
88
6 / 38

Compare with other models

Claude Sonnet 4.6

Publisher

Claude Sonnet 4.6

Model Overview

Claude Sonnet 4.6 is a chat model from Anthropic, released on 2026-02-17.

It accepts text and image input and produces text output. Its cataloged capabilities include Reasoning model and Multilingual. The recorded context window is 1M, and the recorded maximum output is 8K.

The model weights are proprietary and are not published for download. The page records 8 API pricing rules from Anthropic; current provider pricing and conditions should be checked before deployment. The evaluation section contains 18 cataloged benchmark results with their recorded modes and scores. The page links 2 release, model-card, repository, or provider references for checking the underlying claims. Specifications, availability, and prices can change; undisclosed values are intentionally left unstated.

Claude Sonnet 4.6

FAQ

What is Claude Sonnet 4.6?

Claude Sonnet 4.6 is a chat model from Anthropic, released on 2026-02-17. It accepts text and image input and returns text output. The recorded context window is 1M, and the recorded maximum output is 8K. Cataloged capabilities include Reasoning model and Multilingual. The model weights are proprietary and are not published for download. Use the linked references to confirm current access, licensing, and provider-specific limits.

What input and output modalities does Claude Sonnet 4.6 support?

The current model record lists text and image as input and text as output.

What are the main recorded specifications for Claude Sonnet 4.6?

The recorded context window is 1M, and the recorded maximum output is 8K. Fields without a source-backed value remain undisclosed.

Does Claude Sonnet 4.6 have API pricing?

The page records 8 API pricing rules from Anthropic; current provider pricing and conditions should be checked before deployment.

Are benchmark results available for Claude Sonnet 4.6?

The evaluation section contains 18 cataloged benchmark results with their recorded modes and scores. Compare only results that use the same benchmark version and evaluation mode.

Is Claude Sonnet 4.6 open source?

The model weights are proprietary and are not published for download. Review the linked license text before commercial or derivative use.

DataLearner on WeChat

Follow DataLearner on WeChat for AI model updates and research notes.

DataLearner WeChat QR code