Fathom Layer ranking
Best AI Models & Intelligence (2026)
Ranked by our design score and documented from primary-source specs — not affiliate payouts. 5 entries, reviewed by a human, updated as the field moves. See how we score.
- 1
xAI Grok 4.6

xAI's newest release focusing on running specialized AI agents in parallel to synthesize responses.
Full review & specs → - 2
DeepSeek R1

A Mixture-of-Experts reasoning model that reset price expectations for frontier-class performance.
Full review & specs → - 3
Llama 3.3 (70B)

The open-weights reference point at 70B — the strongest local option if the hardware exists.
Full review & specs → - 4
ChatGPT

The most widely used conversational AI, powerful reasoning, coding, and writing.
Full review & specs → - 5
Perplexity
$20/mo

An AI search engine that delivers direct, cited answers instead of a list of blue links.
Full review & specs →
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