EleutherAI models

EleutherAI's open research models — GPT-NeoX, Pythia and more. The honest, $0-markup cost to run each — free on your machine, a rented GPU, or your own API key.

• gpt neo 2.7B — 2.7B, EleutherAI · $0.12/1M API
• gpt neox 20b — 20.7B, EleutherAI · $0.27/1M API
• pythia 410m — 500M, EleutherAI · $0.10/1M API
• pythia 1b — 1.1B, EleutherAI · $0.11/1M API
• pythia 410m deduped — 500M, EleutherAI · $0.10/1M API

Other publishers

Qwen (Alibaba) · Meta Llama · DeepSeek · Google (Gemma) · Microsoft (Phi) · Mistral AI · NVIDIA · OpenAI (gpt-oss) · IBM Granite · Z.ai (GLM) · Moonshot AI (Kimi) · MiniMax · Cohere · Ai2 (OLMo) · Nous Research · Liquid AI · TII (Falcon) · InternLM · Xiaomi (MiMo)

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Open the free advisor → · Prices as of 2026-06-17. We're an honest advisor — $0 markup, your own accounts, we never resell compute. © 2026 Cynosure LLC.