Claude Sonnet 4
by Anthropictext+image+file->text5 endpoints
Neura Intelligence Index
68.3/ 100
Rank
#93—
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
File input
Top-P sampling
Stop sequences
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)
10000.0%
Blended Cost
$6/1M tokens
Country
🇺🇸US
Model Family
Claude 4
Release Date
May 22, 20251y
Supported Parameters
include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_ktop_p
Benchmark Performance
general
| Benchmark | Score | Source |
|---|---|---|
| Chatbot Arena Elo | 1310 | aggregated |
| IFEval | 90.1 | aggregated |
| MMLU-Pro | 80.2 | aggregated |
coding
| Benchmark | Score | Source |
|---|---|---|
| HumanEval | 93.8 | aggregated |
| SWE-bench Verified | 53.2 | aggregated |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| BigBench-Hard | 90.8 | aggregated |
| GPQA Diamond | 70.5 | aggregated |
multimodal
| Benchmark | Score | Source |
|---|---|---|
| MMMU | 72.5 | aggregated |
Performance Over Time
Pricing
Per 1M tokens
Input$3.00
Output$15.00
Cache read$0.30
Cache write$3.75
Added
May 22, 2025
Last synced 9/16/2026