Muse Spark 1.3 vs Claude Opus 4.7
Muse Spark 1.3 is from Meta, released September 2, 2026. Claude Opus 4.7 is from Anthropic, released April 16, 2026.
- LMArena Elo1494 vs 1494. Both rated 1494 on LMArena.
- Input per 1M$1.25 vs $5. Muse Spark 1.3 costs 75% less per million input tokens.
- Output per 1M$4.25 vs $25. Muse Spark 1.3 costs 83% less per million output tokens.
- Context window1M vs 1M. Both hold 1M tokens of context.
Prices are the vendors’ published API rates; Elo is LMArena’s text board. Each figure is dated on its model page.
Interactive Comparison
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$1.25 / $4.25 per million tokens | $5 / $25 per million tokens | |
|---|---|---|
| Identity | ||
| Developer | Meta | Anthropic |
| Released | Sep 2026 | Apr 2026 |
| Status | GA | — |
| Licence | Proprietary | Proprietary |
| Self-hostable | No | No |
| Cost | ||
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $2.000 / 1M tokens | $10.000 / 1M tokens |
| Input price | $1.250 / 1M tokens | $5.000 / 1M tokens |
| Output price | $4.250 / 1M tokens | $25.000 / 1M tokens |
| Capacity | ||
| Context window | 1M tokens | 1M tokens |
| Max output | — | 128K tokens |
| Capability | ||
| Vision in | Yes | — |
| Access | ||
| API | Yes | — |
| Chat app | Yes | — |
| Measured quality | ||
| LMArena Elo | 1494 (checked Oct 2026) | 1494 (checked Oct 2026) |
| LMArena rank | Rank 9 | Rank 10 |
| SWE-bench Verified | — | 83 · max effort |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 747 | 149 |
