Models / Best of /long-context
Updated August 2026 · ranked from live data
Longest context windows
Ranked by maximum context length. A million tokens fits roughly 3,000 pages of text in a single request.Right now the top pick is Grok 4.20 Multi-Agent (2M tokens).Every row links to full specs, hardware verdicts and provider pricing.
1Grok 4.20 Multi-AgentxAI2M tokens—$1.25 / $2.50per 1M · via OpenRouter2Grok 4.20xAI2M tokens—$1.25 / $2.50per 1M · via OpenRouter3Pareto Code RouterOpenRouter2M tokens——4Llama 4 ScoutMeta1.3M tokens109B$0.10 / $0.30per 1M · via OpenRouter5GPT-5.6 TerraOpenAI1.1M tokens—$1.00 / $6.00per 1M · via OpenRouter6GPT-5.6 Terra ProOpenAI1.1M tokens—$1.00 / $6.00per 1M · via OpenRouter7GPT-5.6 LunaOpenAI1.1M tokens—$0.22 / $1.32per 1M · via Amazon Bedrock8GPT-5.6 Luna ProOpenAI1.1M tokens—$0.50 / $3.00per 1M · via OpenAI9GPT-5.6 Sol ProOpenAI1.1M tokens—$5.00 / $30.00per 1M · via OpenRouter10GPT-5.6 SolOpenAI1.1M tokens—$5.00 / $30.00per 1M · via OpenRouter
