Muse Spark 1.2 is 5.5× cheaper per million tokens (blended). Muse Spark 1.2 has the larger context window (1,048,576 vs 1,000,000 tokens).
Claude Opus 5 vs Muse Spark 1.2
Live catalog fields. Best-in-row is highlighted.
Claude Opus 5
Anthropic · anthropic__claude-opus-5
Muse Spark 1.2
Meta · meta__muse-spark-1.2
Identity
| Field | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
|---|---|---|
| Provider | Anthropic | Meta |
| Slug | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
| Status | live | live |
| Open weights | No | No |
| License | — | — |
| HuggingFace | — | — |
Quality
| Field | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
|---|---|---|
| Quality index (0–100) | 93.4 | — |
Cost
| Field | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
|---|---|---|
| Input $ / 1M tokens | $5.00 | $1.25 |
| Cached input $ / 1M | $0.50 | $0.15 |
| Output $ / 1M tokens | $25.00 | $4.25 |
Context
| Field | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
|---|---|---|
| Max context tokens | 1,000,000 | 1,048,576 |
| Max output tokens | 128,000 | 943,718 |
Modalities
| Field | anthropic__claude-opus-5 | meta__muse-spark-1.2 |
|---|---|---|
| Input | text, image, file | text, image, video, file, audio |
| Output | text | text |