Granite 4.2 8B is 120.0× cheaper per million tokens (blended). Claude Opus 5 has the larger context window (1,000,000 vs 131,072 tokens, 7.6×). Granite 4.2 8B is open-weights; the other is not.
Claude Opus 5 vs Granite 4.2 8B
Live catalog fields. Best-in-row is highlighted.
Claude Opus 5
Anthropic · anthropic__claude-opus-5
Granite 4.2 8Bopen
Ibm Granite · ibm-granite__granite-4.2-8b
Identity
| Field | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
|---|---|---|
| Provider | Anthropic | Ibm Granite |
| Slug | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
| Status | live | live |
| Open weights | No | Yes |
| License | — | — |
| HuggingFace | — | ibm-granite/granite-4.2-8b |
Quality
| Field | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
|---|---|---|
| Quality index (0–100) | 93.4 | — |
Cost
| Field | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
|---|---|---|
| Input $ / 1M tokens | $5.00 | $0.10 |
| Cached input $ / 1M | $0.50 | $0.05 |
| Output $ / 1M tokens | $25.00 | $0.15 |
Context
| Field | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
|---|---|---|
| Max context tokens | 1,000,000 | 131,072 |
| Max output tokens | 128,000 | 117,964 |
Modalities
| Field | anthropic__claude-opus-5 | ibm-granite__granite-4.2-8b |
|---|---|---|
| Input | text, image, file | text |
| Output | text | text |