Claude Sonnet 4
by Anthropictext+image+file->text5 endpoints
Neura Intelligence Index
68.9/ 100
Rank
#73—
Confidence
highBenchmarks
11(28% coverage)
Overview
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Capabilities
Text generation
Image understanding
Tool use / Function calling
Extended reasoning
Prompt caching
Long context
Modalities
Input
ImageTextFile
Output
Text
Technical Specifications
Context Window
1M tokens
Max Output
64K tokens
Knowledge Cutoff
2025-01-31
Tokenizer
Claude
Content Moderation
Enabled
Uptime (24h)
9998.2%
Blended Cost
Supported Parameters
include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p
Benchmark Performance
general
| Benchmark | Score | Source |
|---|---|---|
| Chatbot Arena Elo | 1310 | |
| IFEval | 90.1 | |
| MMLU-Pro | 80.2 |
coding
| Benchmark | Score | Source |
|---|---|---|
| HumanEval |
Performance Over Time
Pricing
Per 1M tokens
Input$3.00
Output$15.00
Cache read$0.30
Cache write$3.75