How the release frontier moved
ECI index points · model release date · 227 attributed releases since 2023Current ECI estimates by release date · not archived historical scores
Benchmark results and the cost of the same token workload.
1M input + 250k output tokens across requests. Dashed frontier: best observed trade-offs. Current list-price arithmetic, not evaluation cost. Price axis uses log(1 + USD); score axis is zoomed. Select a point for its source and evaluation details.
Current ECI estimates by release date · not archived historical scores
Current list prices · blank means unavailable · no caching or batch discounts
Selected dated offerings · USD per million tokens · uncached input
Selected offerings, not a continuous price index or equal-quality comparison. Claude 3 Haiku’s price was announced before availability. DeepSeek V3 uses the announced post-promotion tariff from 8 February 2025.
Compare ability, cost and progress — each with its own measure.
Latest published release date among models with an approved GPQA Diamond result.
One model per developer within this reviewed sample. Other developers may lack compatible public evaluations; this is not a complete newest-model directory.
Same newest reviewed selection · 1M input + 250k output tokens.
Current list-price arithmetic, not historical release pricing or measured evaluation cost. No caching or batch discounts assumed.
GPQA Diamond · evaluation dates · best included mean score per developer.
Steps change only at recorded evaluations. This sample is not a complete historical frontier; an individual model is not assumed to improve between points.
Leading ten on GPQA Diamond, plus the newest reviewed model per developer. Columns are separate tests.
Blank cells mean no approved result. Read each column independently: identical percentages across different tests do not imply equal difficulty. No composite score is calculated. Prices captured 2026-10-25.
Prices captured 2026-10-25 · OpenRouter list prices and Epoch AI evaluations.
