Magnum v4 72B is 8.0× cheaper per million tokens (blended). Claude Fable 5 has the larger context window (1,000,000 vs 32,768 tokens, 30.5×). Magnum v4 72B is open-weights; the other is not.
Magnum v4 72B vs Claude Fable 5
Live catalog fields. Best-in-row is highlighted.
Magnum v4 72Bopen
Anthracite Org · anthracite-org__magnum-v4-72b
Claude Fable 5
Anthropic · anthropic__claude-fable-5
Identity
| Field | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
|---|---|---|
| Provider | Anthracite Org | Anthropic |
| Slug | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
| Status | live | live |
| Open weights | Yes | No |
| License | — | — |
| HuggingFace | anthracite-org/magnum-v4-72b | — |
Quality
| Field | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
|---|---|---|
| Quality index (0–100) | — | 89.4 |
Cost
| Field | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
|---|---|---|
| Input $ / 1M tokens | $2.50 | $10.00 |
| Cached input $ / 1M | — | $1.00 |
| Output $ / 1M tokens | $5.00 | $50.00 |
Context
| Field | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
|---|---|---|
| Max context tokens | 32,768 | 1,000,000 |
| Max output tokens | 4,096 | 128,000 |
Modalities
| Field | anthracite-org__magnum-v4-72b | anthropic__claude-fable-5 |
|---|---|---|
| Input | text | text, image, file |
| Output | text | text |