by Anthropic · Released 2026-02
Claude Sonnet 4.6 is a premium-tier AI model by Anthropic. It scores 52 on the Artificial Analysis Intelligence Index and costs $18.00 per 1M tokens (combined). Best suited for coding, writing, analysis.
Claude Sonnet 4.6 is a premium model built for demanding professional workloads, developed by Anthropic. It achieves a quality score of 52 on the Artificial Analysis Intelligence Index, placing it solidly in the mid-range currently available.
This model is particularly strong at coding, writing, analysis, creative. It supports chain-of-thought reasoning, which helps with complex multi-step problems. It also handles image inputs, making it suitable for visual understanding tasks.
At $3.00 per 1M input tokens and $15.00 per 1M output tokens, running 500 tasks per month (at ~45K tokens each) would cost approximately $175.50/month. Compare this with alternatives using our cost calculator to find the best fit for your budget.