Compare Claude Haiku 5.5 from Anthropic and Muse Spark Open from Meta on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.
| Attribute | Claude Haiku 5.5 | Muse Spark Open |
|---|---|---|
| Input price | $0.10/M tokens | $1.25/M tokens |
| Output price | $0.50/M tokens | $4.25/M tokens |
| Context window | 1,000,000 tokens | 1,048,576 tokens |
| Intelligence Index | 36.5 | 24.9 |
| Coding Index | Not available | Not available |
| Agentic Index | Not available | Not available |
| Latency (p50) | 1.47 s | 43.33 s |
| Throughput (p50) | 171.0 tok/s | 1.0 tok/s |
| Provided by | Anthropic | Meta |
| Model page | Claude Haiku 5.5 model details, providers and pricing | Muse Spark Open model details, providers and pricing |
Benchmark data updated
Muse Spark Open has the longer context window at 1,048,576 tokens, compared with 1,000,000 tokens for Claude Haiku 5.5.
Claude Haiku 5.5 is faster on OpenRouter, generating a median 171.0 tokens per second compared with 1.0 tokens per second for Muse Spark Open.