Anthropic: Claude Sonnet 4
Anthropic: Claude Sonnet 4 ranks #56 of 85 models by Artificial Analysis quality score (29.8) at $6.00/1M tokens blended - and ranks #227 of 291 by average real OpenRouter usage share over the trailing 35-day window (0.00%).
- Quality (Intelligence Index) - 29.8
- Coding index - 37.6
- Agentic index - 17.6
- Price (blended $/1M) - 6.00
- Context window - 1,000,000
- Usage rank - #227 of 291
- Providers - 0
- Open/closed - closed
Frequently asked questions
What is Anthropic: Claude Sonnet 4's quality score?
Anthropic: Claude Sonnet 4 scores 29.8 on Artificial Analysis's Intelligence Index, ranking #56 of 85 models with a published score.
How much does Anthropic: Claude Sonnet 4 cost?
Anthropic: Claude Sonnet 4 costs $6.00 per 1M tokens (blended 75% prompt / 25% completion pricing).
Is Anthropic: Claude Sonnet 4 widely used?
Anthropic: Claude Sonnet 4 ranks #227 of 291 models by average real OpenRouter usage share, averaging 0.00% of classified token volume over the trailing 35-day window.
Is Anthropic: Claude Sonnet 4 open-weight or closed?
Anthropic: Claude Sonnet 4 is a closed-weight model.
Source: OpenRouter (openrouter.ai/rankings), as of August 9, 2026.
Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).
Methodology: smophy.ai/benchmark/methodology
Token counts originate from each provider's own tokenizer and are not directly comparable across providers.