Best AI models for summarization

20 models ranked by quality score, sorted by rank with pricing and best-value picks.

Verdict

For summarization, use Claude Sonnet 5 for quality or GPT 5.6 Luna for cost. The quality gap between #1 and #2 is 0 points.

FAQ

What is the best AI model for summarization?

Claude Sonnet 5 ranks #1 for summarization with a confidence score of 91/100.

What is the cheapest good model for summarization?

GPT 5.6 Luna is the best value for summarization at $0.20/$1.20 per million tokens with a confidence of 84/100.

Confidence scores are a third-party benchmark snapshot from week 29 of 2026. This snapshot is 8 weeks old, so treat the scores as directional and validate against your own evals.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.