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Local AI · Recipe · 1× RTX 5090
gpt-oss 21B Q4_K_M with llama.cpp on 1× RTX 5090
gpt-oss 21B Q4_K_M with llama.cpp on 1× RTX 5090: 367 tok/s according to huggingface.co (dataset as of Nov 3, 2026).
by notwitcheer
Engine
- Engine
- llama.cpp
- Quantization
- GGUF Q4_K_M
- Model family
- gpt-oss
- Context
- —
- Parameters
- 21B MoE
- Creator
- notwitcheer
- GitHub stars
- 46
- Repo updated
- Nov 1, 2026
Measurements
Every sourced value of this recipe, each with its condition and source. Bars relative to the largest value in the group.
Decode · 1 request
Prefill by context
What you need
- Hardware
- 1 × NVIDIA RTX 5090
- Weights
- Main weightsunsloth/gpt-oss-20b-GGUF Apache-2.0
- Engine
- llama.cpp
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- Partly in system RAM
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