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Open-source models

Open-weight models like GLM-5.3-Flash, DeepSeek-V4.1-Flash, GLM-5.3, and Kimi K3, through one OpenAI-compatible API. No GPUs to rent; pay per token, up to 30% below list prices.

Open-weight models

Each model here has official weights published by its vendor on Hugging Face. Prices are in US dollars per million tokens.

Open-weight models
ModelLicenseInput/MOutput/MContextWeightsSave
GLM-5.3-Flashglm-5.3-flashMITList price $0.15$0.104676List price $0.50$0.3489191MHugging Face30% off
DeepSeek-V4.1-Flashdeepseek-v4-1-flashMITList price $0.30$0.209351List price $1.20$0.8374041MHugging Face30% off
GLM-5.3glm-5.3GLM-5.3 LicenseCustom licenseList price $1.40$0.976972List price $4.40$3.0704831MHugging Face30% off
Kimi K3kimi-k3Kimi K3 LicenseCustom licenseList price $3$2.093511List price $15$10.4675551MHugging Face30% off

Struck-through prices are list prices.

Why use them through an API

  • No GPUs to run

    Frontier open models need a multi-GPU server to run. Here you call them like any other API and pay only for the tokens you use.

  • One key for every model

    Every model shares the same base URL and API key. To switch models, change the model field; your OpenAI SDK code stays the same.

  • Prepaid, no subscription

    Top up from $5 and pay per token. No monthly fee and no minimum spend.

About the licenses

Open weights means the vendor has published the model’s weights, so anyone can download, run and fine-tune it. Each model’s license is linked in the table above.

MIT-licensed models come with very few restrictions. Some vendors publish weights under their own license, based on MIT, that adds conditions for very large model-as-a-service providers. Read the license before you download or self-host the weights.