Best Frontier LLM AI models (2026)

Our top 5 Frontier LLM models, ordered by how recently they were released and their context window. See all 5 Frontier LLM models.

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Claude 3.5 Sonnet

Frontier LLM

200K ctx · $3/$15 per 1M · Anthropic

Claude 3.5 Sonnet is Anthropic's balanced frontier large language model with vision capabilities. It excels at coding, a...

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Claude 3 Opus

Frontier LLM

200K ctx · $15/$75 per 1M · Anthropic

Claude 3 Opus is Anthropic's most capable frontier LLM, designed for complex, open-ended reasoning tasks. It supports bo...

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Grok 2

Frontier LLM

131K ctx · $2/$10 per 1M · xAI

Grok 2 is xAI's flagship conversational model, offering real-time context and strong reasoning capabilities. It is a Fro...

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Command R+

Frontier LLM

128K ctx · $2.50/$10 per 1M · Cohere

Command R+ is Cohere's enterprise-grade frontier language model optimized for retrieval-augmented generation (RAG) and t...

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Mistral Large 2

Open weights
Frontier LLM

128K ctx · $2/$6 per 1M · Mistral AI

Mistral Large 2 is Mistral AI's flagship frontier large language model with open weights for research. It excels in mult...

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