Claude Fable 5 has the largest context window of any Anthropic model, at 1M tokens. Claude Opus 4.8 (Fast) (1M) and Claude Opus 4.8 (1M) round out the top three.
AI models with the largest context windows, ranked by token capacity. The best large language models for long documents, codebases and extended conversations.
Claude Fable 5 has the largest context window of any Anthropic model, at 1M tokens. Claude Opus 4.8 (Fast) (1M) and Claude Opus 4.8 (1M) round out the top three.
Claude Opus 4.8 (Fast) (1M) is the closest alternative on this metric, followed by Claude Opus 4.8 (1M). See the full ranking above for the tradeoffs.
modelgrep tracks 16 Anthropic models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Claude Fable 5. 16 of them qualify for this ranking.