Longest-Context Models in 2026
When context capacity is central to your choice, start with these text-modality models, arranged from highest context length downward. The leading entries are Auto Router, Auto Router (Beta), and Grok 4.20, followed by Grok 4.20 Multi-Agent and Pareto Code Router. Use the ordering to find candidates with more room for long inputs, then compare their other listed details—such as price and licence—against your requirements. The catalogue contains 466 models and can be filtered or sorted, so you can refine the scan once you know the context range and other trade-offs your application needs.
466 on record. Sorted by context; every figure comes from the OpenRouter model catalogue, with the page it was read from on each entry.
466listed
