Open-Source Alternatives to 
GPT-4o
The best open-weight, self-hostable alternatives to GPT-4o in 2026 — compared on price, context window and capabilities. Run them locally and cut API costs.
Refreshed from live data · olud.ai
The best open-weight alternatives to GPT-4o
GPT-4o is a proprietary, API-only model. These open-weight models can be self-hosted, run offline and used at a fraction of the cost — here's how the top ones stack up.
Llama 4 Maverick Open
Within 2.0 pts of GPT-4o on the Artificial Analysis intelligence index · 12.5× cheaper per million output tokens
Llama 4 Maverick 17B Instruct (128E) is a high-capacity multimodal language model from Meta, built on a mixture-of-experts (MoE) architecture with 128 experts and 17 billion active parameters per forward...
Llama 4 Maverick vs GPT-4o →See the full open-source leaderboard
Live ranking of open-weight models with pricing, context windows and capabilities.
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