DeepSeek V4.1 Flash 1017 vs Muse Spark Open
Detailed technical comparison between DeepSeek V4.1 Flash 1017 (DeepSeek) 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
Tie
Equal CapacityTie
Equal CapabilityTie
Equal SpeedDeepSeek V4.1 Flash 1017
$0.15 / MTokDeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
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 | DeepSeek V4.1 Flash 1017 | Muse Spark Open |
|---|---|---|
| Provider | DeepSeek | Meta |
| Context Window | 1,048,576 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 | self hostable | managed api |
| Production Stability | Not verified | Not verified |
| API Available | Yes | Yes |
| Released Date | 2026-10-17 | 2026-10-15 |
API Pricing Comparison
Input Price per Million Tokens
DeepSeek V4.1 Flash 1017
$0.15
Muse Spark Open
$1.25
Output Price per Million Tokens
DeepSeek V4.1 Flash 1017
$0.60
Muse Spark Open
$4.25
💡 Cost Ratio: DeepSeek V4.1 Flash 1017 is 8.3x cheaper per input token than Muse Spark Open.
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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.
DeepSeek V4.1 Flash 1017 Quirks & Gotchas
No developer gotchas reported.
Muse Spark Open Quirks & Gotchas
No developer gotchas reported.
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