Google AI Studio (Gemini API)
Fast start with Gemini models; grab an API key, 1M-token context, and code snippets.
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MPT-7B
MosaicML’s Apache-licensed 7B family (base/instruct/long-context) widely used as a fine-tuning base.
IBM Granite 3.1
Apache-licensed 2B–8B family with long context options; optimized for enterprise/local deployments.
DeepSeek Coder (Open Models)
Open models (1B–33B) trained on repo-level code; strong code gen, reasoning and long-context support.