Claude Sonnet 4
ANTHROPIC Developer Architecture Profile
Intelligence (ELO)1439Chatbot Arena Verified
Max Context1,000,000Tokens
API Cost / 1M$18.00Blended Prompt + Completion
Model Capabilities
- Fictional
- Reasoning
- Agentic
- Coding & Logic
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 (Prompt)$3.00 / 1M
Output Tokens (Completion)$15.00 / 1M
Pricing data via OpenRouter. Sync: 4/30/2026
Evaluate Competitors
VS 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 Qwen: Qwen3.6 FlashVS Engine MatchupClaude Sonnet 4 vs Mistral: Mistral Small 4VS Engine MatchupClaude Sonnet 4 vs ByteDance Seed: Seed-2.0-Lite