Claude Sonnet 4.6
by Anthropictext+image+file->text8 endpoints
Neura Intelligence Index
76.2/ 100
Rank
#41—
Confidence
highBenchmarks
9(23% coverage)
Overview
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Modalities
Input
TextImageFile
Output
Text
Technical Specifications
Context Window
1M tokens
Max Output
128K tokens
Tokenizer
Claude
Content Moderation
Enabled
Uptime (24h)
10000.0%
Country
🇺🇸US
Release Date
Supported Parameters
include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_pverbosity
Benchmark Performance
general
| Benchmark | Score | Source |
|---|---|---|
| MMMLU | 89.3 | verified |
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 79.6 | verified |
reasoning
| Benchmark | Score | Source |
|---|
Performance Over Time
Pricing
Per 1M tokens
Input$3.00
Output$15.00
Cache read$0.30
Cache write$3.75