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.
Rankings
Claude Sonnet 5 ranks #1 for summarization with a confidence score of 91/100.
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.
Per-call cost for the highest-ranked models on this task.
Claude Sonnet 5 cost calculator
91/100 · $2.00 / $10.00 per MTok
GPT 5.4 cost calculator
91/100 · $2.50 / $15.00 per MTok
GPT 5.6 Terra cost calculator
92/100 · $2.00 / $12.00 per MTok
Claude Sonnet 4.6 cost calculator
90/100 · $3.00 / $15.00 per MTok
GPT 5.6 Sol cost calculator
90/100 · $4.00 / $20.00 per MTok
Claude Fable 5 cost calculator
90/100 · $10.00 / $50.00 per MTok
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.