DataLearner logo
CL

Claude Sonnet 4.6

Chat modelSonnetClaude 4.6

Claude Sonnet 4.6

Release date: 2026-02-17Updated: 2026-07-17 23:18:02.737Knowledge cutoff: 2026-012,103
Live demoGitHubHugging FaceCompare
Parameters
Not disclosed
Context length
1M
Chinese support
Supported
Reasoning ability

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 · Deep
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 / N/A
Knowledge cutoff
2026-01
Claude Sonnet 4.6

Open source & experience

Code license
Proprietary
Weights license
Proprietary
GitHub repo
GitHub link unavailable
Hugging Face
Hugging Face link unavailable
Claude Sonnet 4.6

Official resources

Paper
DataLearnerAI blog
No blog post yet
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
Claude Sonnet 4.6

Benchmark Results

Claude Sonnet 4.6 currently shows benchmark results led by LiveBench (12 / 115, score 75.47), Pinch Bench (6 / 38, score 88), SWE-bench Verified (18 / 114, 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
58.30
21 / 62
49
34 / 181
33.20
86 / 181

Other

1 evaluations
Benchmark / mode
Score
Rank/total
89.90
42 / 226

Coding and Software Engineer

2 evaluations
Benchmark / mode
Score
Rank/total
79.60
18 / 114
DeepSWE
HighTools
30
24 / 26

Math and Reasoning

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

Agent Level Benchmark

1 evaluations
Benchmark / mode
Score
Rank/total

AI Agent - Information Search

1 evaluations
Benchmark / mode
Score
Rank/total
74.70
27 / 54

AI Agent - Tool Usage

3 evaluations
Benchmark / mode
Score
Rank/total
72.50
17 / 26
MCP-Atlas
Standard ModeTools
69.50
27 / 38
59.10
22 / 48

Productivity Knowledge

1 evaluations
Benchmark / mode
Score
Rank/total
57
11 / 21

Long Context

1 evaluations
Benchmark / mode
Score
Rank/total
71
4 / 18

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