Claude Sonnet 5 vs Muse Spark 1.2
Side-by-side API pricing and Artificial Analysis performance for Claude Sonnet 5 (Anthropic) and Muse Spark 1.2 (Meta). Green cells mark the better value in each row.
Prices updated Sep 16, 2026, 10:52 PM UTC · refreshed hourly
| Claude Sonnet 5 Anthropic | Muse Spark 1.2 Meta | |
|---|---|---|
| Pricing | ||
| Input $/1M | $2.00 | $1.25 |
| Output $/1M | $10.00 | $4.25 |
| Blended $/1M (3:1) | $4.00 | $2.00 |
| RAG example (30K in / 2K out) | $0.08 | $0.046 |
| Quality & speed | ||
| Intelligence Index | 38.4 | 39.8 |
| Coding Index | 71.5 | 72.2 |
| Agentic Index | 44.3 | 44 |
| Output speed (tok/s) | 83 | — |
| Time to first token | 127.24s | — |
| Specs | ||
| Context window | 1M | 1.05M |
| Input modalities | text, image, file | text, image, video, file, audio |
FAQ
Which is cheaper, Claude Sonnet 5 or Muse Spark 1.2?
Muse Spark 1.2 has the lower blended API price at $2.00 per 1M tokens (3:1 input:output mix), versus $4.00 for the other model. Prices are live from OpenRouter and refresh about hourly.
Which is better for RAG workloads?
For a typical RAG request (30K input / 2K output tokens), Muse Spark 1.2 costs about $0.046 per request versus $0.08. Also compare context windows: Claude Sonnet 5 offers 1M and Muse Spark 1.2 offers 1.05M.
Which scores higher on Artificial Analysis benchmarks?
Muse Spark 1.2 leads on the Artificial Analysis Intelligence Index (39.8 vs 38.4). Check coding and agentic indices on this page for workload-specific tradeoffs.