Longest-Context LLMs

Match · Updated July 2026

Grok 4.20 Multi-Agent has the largest context window of any LLM, at 2M tokens. Grok 4.20 (2M) and Llama 4 Scout (1.3M) round out the top three.

2MContext

$1.25Input /M

AI models with the largest context windows, ranked by token capacity. The best large language models for long documents, codebases and extended conversations.

Frequently asked

Which LLM has the largest context window?

Grok 4.20 Multi-Agent has the largest context window of any LLM, at 2M tokens. Grok 4.20 (2M) and Llama 4 Scout (1.3M) round out the top three.

Which AI model has the biggest context window?

Grok 4.20 Multi-Agent has the largest context window of any AI model, at 2M tokens. Grok 4.20 (2M) and Llama 4 Scout (1.3M) round out the top three.

What's a good alternative to Grok 4.20 Multi-Agent?

Grok 4.20 (2M) is the closest alternative on this metric, followed by Llama 4 Scout (1.3M). See the full ranking above for the tradeoffs.

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