Claude Haiku 5.5 vs Muse Spark Open
Detailed technical comparison between Claude Haiku 5.5 (Anthropic) and Muse Spark Open (Meta). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Muse Spark Open
1,048,576 tokensTie
Equal CapabilityTie
Equal SpeedClaude Haiku 5.5
$0.10 / MTokClaude Haiku 5.5
Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...
Muse Spark Open
Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...
Technical Specifications
🏆 = Superior Spec| Specification | Claude Haiku 5.5 | Muse Spark Open |
|---|---|---|
| Provider | Anthropic | Meta |
| Context Window | 1,000,000 tokens | 1,048,576 tokens🏆 |
| Agent Suitability | Not yet benchmarked | Not yet benchmarked |
| Time to First Token (TTFT) | No public TTFT data | No public TTFT data |
| Deployment Model | managed api | managed api |
| Production Stability | Stable release | Not verified |
| API Available | Yes | Yes |
| Released Date | 2026-10-07 | 2026-10-15 |
API Pricing Comparison
Input Price per Million Tokens
Claude Haiku 5.5
$0.10
Muse Spark Open
$1.25
Output Price per Million Tokens
Claude Haiku 5.5
$0.50
Muse Spark Open
$4.25
💡 Cost Ratio: Claude Haiku 5.5 is 12.5x cheaper per input token than Muse Spark Open.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Claude Haiku 5.5 Quirks & Gotchas
No developer gotchas reported.
Muse Spark Open Quirks & Gotchas
No developer gotchas reported.
Explore Other Popular Comparisons
Claude Haiku 5.5 vs GLM 5.3 FlashX Legal
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWClaude Haiku 5.5 vs GPT-6.1 Terra
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWClaude Haiku 5.5 vs GPT-6.1 Terra Pro
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWClaude Haiku 5.5 vs Kimi K3.1 Pro
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWClaude Haiku 5.5 vs MiniMax M3.1 Flash
Compare context windows, live API token prices, and benchmark scores.
SIDE-BY-SIDE REVIEWClaude Haiku 5.5 vs DeepSeek V4.1 Flash 1017
Compare context windows, live API token prices, and benchmark scores.