Muse Spark 1.1 vs Step 3.7 Flash
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Muse Spark 1.1 and Step 3.7 Flash.
Muse Spark 1.1
Muse Spark 1.1 is a multimodal reasoning model from Meta, built for agentic tasks. It accepts text, images, video, audio, and PDF documents and returns text, with a 1M-token context...
Step 3.7 Flash
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...
Technical Specifications
| Specification | Muse Spark 1.1 | Step 3.7 Flash |
|---|---|---|
| Provider | Meta | StepFun |
| Context Window | 1,048,576 tokens | 256,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-07-16 | 2026-05-28 |
API Pricing Comparison
Input Price per Million Tokens
Muse Spark 1.1
$1.25
Step 3.7 Flash
$0.20
Output Price per Million Tokens
Muse Spark 1.1
$4.25
Step 3.7 Flash
$1.15
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Muse Spark 1.1 Quirks & Gotchas
No developer gotchas reported.
Step 3.7 Flash Quirks & Gotchas
No developer gotchas reported.