Claude Sonnet 5
by Anthropictext+image+file->text7 endpoints
Neura Intelligence Index
86.6/ 100
Rank
#11—
Confidence
mediumBenchmarks
6(15% coverage)
Overview
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
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_outputstool_choicetoolsverbosity
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-bench Verified | 85.2 | verified |
| SWE-Bench Pro | 63.2 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| Humanity's Last Exam | 57.4 | verified |
multimodal
Performance Over Time
Pricing
Per 1M tokens
Input$2.00
Output$10.00
Cache read$0.20
Cache write$2.50