Written by Jakub Rusinowski · Last updated March 20, 2026
Yes
Yes — Cogito v1 3B at Q8_0 needs about 4.9 GB of the 6.4 GB usable on 8 GB system RAM (~1.5 GB spare), at ~17.6 tok/s (estimated), with room for about 16,384 tokens of context.
Confidence: high · Recommended quantization: Q8_0 · Estimated speed: ~17.6 tok/s
| Usable memory for models | 6.4 GB |
| Memory bandwidth | 90 GB/s |
| Quant | Memory needed | Fits 6.4 GB? | Max context | Est. speed | Download |
|---|---|---|---|---|---|
| F16 | 7.7 GB | ✗ No | — | — | 6 GB |
| Q8_0 | 4.9 GB | ✓ Yes | 16K | ~17.6 tok/s | 3.2 GB |
| Q6_K | 4.2 GB | ✓ Yes | 16K | ~21.8 tok/s | 2.5 GB |
| Q5_K_M | 3.9 GB | ✓ Yes | 16K | ~24.5 tok/s | 2.1 GB |
| Q4_K_M | 3.6 GB | ✓ Yes | 32K | ~27.6 tok/s | 1.8 GB |
| Q3_K_M | 3 GB | ✓ Yes | 32K | ~35.4 tok/s | 1.3 GB |
| Q2_K | 2.7 GB | ✓ Yes | 32K | ~41.8 tok/s | 1 GB |
| Variant | Needs at Q4_K_M | Fits? | Est. speed |
|---|---|---|---|
| Cogito v1 70B | 45.7 GB | ✗ Too large | — |
| Cogito v1 32B | 22.3 GB | ✗ Too large | — |
| Cogito v1 14B | 10.9 GB | ✗ Too large | — |
| Cogito v1 8B | 6.7 GB | ✗ Too large | — |
| Cogito v1 3B | 3.6 GB | ✓ Fits | ~27.6 tok/s |
llama.cpp (CPU build) or Ollama — both run without a GPU
Yes — Cogito v1 3B at Q8_0 needs about 4.9 GB of the 6.4 GB usable on 8 GB system RAM (~1.5 GB spare), at ~17.6 tok/s (estimated), with room for about 16,384 tokens of context.
Q8_0 — it needs about 4.9 GB of the 6.4 GB available, downloads as roughly 3.2 GB, and runs at an estimated 17.6 tokens/sec with up to 16K of context.
Nothing binding — the model fits with headroom and generates at a usable speed on this hardware.
llama.cpp (CPU build) or Ollama — both run without a GPU
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