Claude Sonnet 4
ANTHROPIC Developer Architecture Profile
Intelligence (ELO)1439Chatbot Arena Verified
Max Context Limit200,000Max Out: 64,000 tokens
Prompt Caching90% OFF$0.30 / 1M cached
Standard API / 1M$18.00🧠 Deep Reasoner
Model Capabilities & Contract SLAs
- Fictional
- Reasoning
- Agentic
- Coding & Logic
- 📋 Strict JSON Schema
- 🛠️ Native Tool Calling
- 🧠 Extended Test-Time Reasoning
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%),...
Granular Pricing Matrix
Input Tokens (Standard Prompt)$3.00 / 1M
⚡ Cached Input (Prompt Cache Read)90% OFF$0.30 / 1M
Output Tokens (Completion)$15.00 / 1M
Pricing data via OpenRouter. Sync: 10/2/2026
Evaluate Competitors
VS Engine MatchupClaude Sonnet 4 vs Meituan: LongCat 2.0VS Engine MatchupClaude Sonnet 4 vs Google: Gemma 4 31B (free)VS Engine MatchupClaude Sonnet 4 vs OpenAI: GPT-5.1VS Engine MatchupClaude Sonnet 4 vs Qwen: Qwen3 VL 235B A22B InstructVS Engine MatchupClaude Sonnet 4 vs OpenAI: GPT-6.1 SolVS Engine MatchupClaude Sonnet 4 vs OpenAI: GPT Terra Latest