Verified open reasoning models that fit in 16 GB on NVIDIA T4 16GB (free Colab), smallest first — with license clarity and hosted-download status. Top pick: mradermacher/Phi-4-mini-reasoning-heretic-GGUF (~1.87 GB).
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Machine-readable entrypoints: robots.txt, AI search guidance, well-known AI search JSON, AI citation packs, well-known AI citation JSON, llms.txt, llms-full.txt, AI crawler policy, AI bot allowlist, answer-engine manifest, agent manifest, OpenAPI, and indexing status.
Verified open reasoning models that fit in 16 GB on NVIDIA T4 16GB (free Colab), smallest first — with license clarity and hosted-download status. Top pick: mradermacher/Phi-4-mini-reasoning-heretic-GGUF (~1.87 GB).
| # | Model | Est. VRAM | License | Commercial | Hosting | Fit page |
|---|---|---|---|---|---|---|
| 1 | mradermacher/Phi-4-mini-reasoning-heretic-GGUF | ~1.87 GB | mit | yes | external | check |
| 2 | mradermacher/Reasoning-SmolLM2-135M-i1-GGUF | ~1.87 GB | apache-2.0 | yes | external | check |
| 3 | Multilingual-Multimodal-NLP/IndustrialCoder-Thinking | ~1.87 GB | apache-2.0 | yes | external | check |
| 4 | mradermacher/SphinX-GGUF | ~1.87 GB | apache-2.0 | yes | external | check |
| 5 | 11-47/GPT2.5.5-Awakened.Thinker-0.1B | ~2.48 GB | mit | yes | external | check |
| 6 | CromIA/think-vetor-0.5b-lora | ~3.28 GB | apache-2.0 | yes | external | check |
| 7 | AQ-MedAI/Diver-Retriever-0.6B | ~3.48 GB | apache-2.0 | yes | external | check |
| 8 | Ayansk11/FinSenti-Qwen3-1.7B-GGUF | ~6.08 GB | apache-2.0 | yes | external | check |
| 9 | mradermacher/DeepBrainz-R1-2B-i1-GGUF | ~6.68 GB | apache-2.0 | yes | external | check |
| 10 | EphAsad/Atem-Pharaoh-3B | ~7.74 GB | apache-2.0 | yes | external | check |
Other GPUs: RTX 4090 24GB · RTX 3090 24GB · RTX 3060 12GB · A100 80GB · H100 80GB · mac-m3-max-64
Other tasks on NVIDIA T4 16GB (free Colab): coding · chat · translation · summarization · vision · audio · rag · agents
Fit = weights + KV-cache estimate under 16 GB. Recomputed hourly from live catalog state.