UnslopNemo 12B is 37.5× cheaper per million tokens (blended). UnslopNemo 12B has the larger context window (1,024,000 vs 1,000,000 tokens). UnslopNemo 12B is open-weights; the other is not.
Claude Opus 5 vs UnslopNemo 12B
Live catalog fields. Best-in-row is highlighted.
Claude Opus 5
Anthropic · anthropic__claude-opus-5
UnslopNemo 12Bopen
Thedrummer · thedrummer__unslopnemo-12b
Identity
| Field | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
|---|---|---|
| Provider | Anthropic | Thedrummer |
| Slug | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | TheDrummer/UnslopNemo-12B-v4.1 |
Quality
| Field | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
|---|---|---|
| Quality index (0–100) | 91.5 | — |
Cost
| Field | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
|---|---|---|
| Input $ / 1M tokens | $5.00 | $0.40 |
| Cached input $ / 1M | $0.50 | — |
| Output $ / 1M tokens | $25.00 | $0.40 |
Context
| Field | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
|---|---|---|
| Max context tokens | 1,000,000 | 1,024,000 |
| Max output tokens | 128,000 | 819,200 |
Modalities
| Field | anthropic__claude-opus-5 | thedrummer__unslopnemo-12b |
|---|---|---|
| Input | text, image, file | text |
| Output | text | text |